a) approx 0.562$$
When playing backgammon, the doubling cube is an important feature that allows players to increase the stakes of the game. Imagine playing with a "tripling cube" instead, with faces of 3, 9, 27, 81, 243, and 729. Using the analysis given for the doubling cube, we can compute the probability of winning above which a triple should be accepted.To determine the probability of winning above which a triple should be accepted, we need to use the formula derived from the analysis of the doubling cube:$$P_w = \frac{q^2}{1-2q^2}$$where Pw is the probability of winning, and q is the probability of losing. We can substitute 1-q for p, the probability of winning, to get:$$P_w = \frac{(1-p)^2}{1-2(1-p)^2}$$Now, we need to modify this formula to account for the tripling cube. If we triple the current stakes, then we have effectively tripled the value of the doubling cube. In other words, if the current stakes are 1, then the value of the tripling cube is 3. If the current stakes are 2, then the value of the tripling cube is 9. More generally, if the current stakes are n, then the value of the tripling cube is 3^n. Using this information, we can modify the formula as follows:$$P_w = \frac{q^{3^n}}{1-2q^{3^n}}$$. This is the formula we need to use to compute the probability of winning above which a triple should be accepted. We can solve for q using the quadratic formula:$$q = \frac{1\pm\sqrt{1-4(1-2P_w)(-P_w^{3^n})}}{2}$$The value of q we want is the smaller one, because we want to compute the probability of losing. Once we have q, we can substitute it into the formula for Pw to get the probability of winning above which a triple should be accepted. Example Suppose we have a backgammon game with a current stake of 4, and we are considering accepting a triple from our opponent. Using the formula above, we can compute the probability of winning above which a triple should be accepted as follows:$$n = \log_3{3^2} = 2$$$$P_w = \frac{q^{3^2}}{1-2q^{3^2}}$$$$q = \frac{1-\sqrt{1-4(1-2P_w)(-P_w^{3^2})}}{2}$$$$q = \frac{1-\sqrt{1-8P_w^9}}{2}$$$$q = \frac{1-\sqrt{1-8(0.5)^9}}{2}$$$$q \approx 0.515$$$$P_w = \frac{q^{3^2}}{1-2q^{3^2}}$$$$P_w = \frac{(0.515)^9}{1-2(0.515)^9}$$$$P_w \approx 0.562$$. Therefore, if we have a probability of winning greater than 0.562, then we should accept the triple.
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When simplifying the negative fractional powers of (8/64)^-2/3, what is the answer?
Answer:
4 [Yes, really]
Step-by-step explanation:
(8/64)^-2/3 [Wow]
(1/8)^-2/3 [Simplify 8/64 to 1/8]]
(8^-1)^-2/3 [Reformat (1/8) to 8^-1]
8^(-1*(-2/3)) [Rule of exponents: When an exponent is raised to another exponent, multiply the exponents.]
8^(2/3) [Simplify (-1(-2/3)) to (2/3)]
64^(1/3) [8^(2/3) means square the 8 and then take the cube root]
4 [The cube root of 64 is 4 (4*4*4 = 64]
A home-printer manufacturer would like to conduct a survey to study their customers' opinion about the photo printer. A new model of photo printer was launched 3 months ago, and 1000 customers have fi
Answer:
Your question is not fully completed. People can't solve it because it is not fully completed.
Step-by-step explanation:
The first floor of a tiny house has a length of 11 feet. The width of the kitchen is 7 feet and the width of the bathroom is 4 feet. The expression 11(7+4) represents the total area in square feet.
Write an expression to represent the total area as the sum of the areas of each room.
11 (7+4) = ? 7+11-
11 ft
A=117+4)
Answer:
The expression to represent the total area as the sum of the areas of each room would be:
Total area = area of kitchen + area of bathroom + area of remaining space
Total area = 7 x 11 + 4 x 11 + (11 - 7 - 4) x 11
Total area = 77 + 44 + 11
Total area = 132 square feet
PLEASE HELP IM STUCK
A store is giving out cards labeled 1 through 10 when customers enter the store. If the card is an even number, you get a 10% discount on your purchase that day. If the card is an odd number greater than 6, you get a 40% discount. Otherwise, you get a 25% discount. The table shows the results of 500 customers. What is the relative frequency for each discount? Use pencil and paper. If the manager of the store wants approximately half of the customers to receive the 25% discount, does this seem like an appropriate method? Explain.
Discounts
1 2 3 4 5 6 7 8 9
Card number 10 47 52 47 59 66 54 51 47 45 32
The relative frequency for a 10% discount is []
The total number of customers is 500. We need to find the number of customers who received each discount.
For a 10% discount, customers received cards labeled 2, 4, 8, or 10. The total number of customers who received one of these cards is:
47 + 47 + 51 + 45 = 190
Therefore, the relative frequency for a 10% discount is:
190 / 500 = 0.38 or 38%
For a 40% discount, customers received cards labeled 7 or 9. The total number of customers who received one of these cards is:
54 + 47 = 101
Therefore, the relative frequency for a 40% discount is:
101 / 500 = 0.202 or 20.2%
For a 25% discount, customers received cards labeled 1, 3, 5, or 6. The total number of customers who received one of these cards is:
52 + 59 + 66 + 32 = 209
Therefore, the relative frequency for a 25% discount is:
209 / 500 = 0.418 or 41.8%
Based on the table, it seems that a large percentage of customers are receiving the 25% discount (41.8%). If the manager of the store wants approximately half of the customers to receive this discount, it may not be appropriate to use this method. However, it is also important to consider other factors, such as the store's profit margins and overall sales volume, when determining the best discount strategy.
Identify the total number of customers, which is given as 500 in the table.
For the 10% discount, add up the number of customers who received cards labeled 2, 4, 8, or 10. In the table, the corresponding counts are given as 47, 47, 51, and 45, respectively. Add these numbers together to get the total number of customers who received a 10% discount:
47 + 47 + 51 + 45 = 190
To find the relative frequency for a 10% discount, divide the number of customers who received a 10% discount (190) by the total number of customers (500):
190 / 500 = 0.38 or 38%
Therefore, the relative frequency for a 10% discount is 38%.
Repeat steps 2 and 3 for the other two discounts. For the 40% discount, add up the number of customers who received cards labeled 7 or 9, which are given as 54 and 47 in the table, respectively:
54 + 47 = 101
Then, find the relative frequency for a 40% discount by dividing the number of customers who received a 40% discount (101) by the total number of customers (500):
101 / 500 = 0.202 or 20.2%
Therefore, the relative frequency for a 40% discount is 20.2%.
Finally, for the 25% discount, add up the number of customers who received cards labeled 1, 3, 5, or 6, which are given as 52, 59, 66, and 32 in the table, respectively:
52 + 59 + 66 + 32 = 209
Then, find the relative frequency for a 25% discount by dividing the number of customers who received a 25% discount (209) by the total number of customers (500):
209 / 500 = 0.418 or 41.8%
Therefore, the relative frequency for a 25% discount is 41.8%.
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= 13 680,00(0,551368)
Answer:
=7542,71
Step-by-step explanation:
13 680.00 x 0.551368
=7542,71424
round off to the second decimal place
=7542,71
help it is due to today help with others please ?????????????????
As a result, 67° is the measure of ∠B.
What is a triangle, exactly?Due to the fact that a triangle contains three sides, three angles, & three vertices, it's a complete, two-dimensional object. A triangle is indeed a polygonal element. Triangle ABC can be seen in the image above. Triangle illustrations. Triangles can be found on a variety of everyday objects, such as sandwiches, traffic signs, clothes hangers, and pool table racks.
Given:
∠A = 32°
∠C = 81°
∠B =?
The sum of all the angles in a triangle, as we all know, is 180 degrees.
∴ ∠A +∠B + ∠C = 180°
⇒ 32° + ∠B + 81° = 180°
⇒ ∠B + 113° = 180°
⇒ ∠B = 180° - 113°
⇒ ∠B = 67°
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1. Alexandra earns $59, 904.00 in gross pay each year. If she must pay $998.40 in taxes and $345.00 each month for medical, dental, and vision insurance, what is Alexandra's net pay each month? Show work.
-$3,780.40
-$3,824.20
-$3,648.60
-$3,546.70
Alexandra's net pay each month, using mathematical operations, is C. $3,648.60.
What is the net pay?The net pay is the difference between the gross pay or earning and the total deductions.
The net pay per month can be computed following these steps:
Gross earnings per year = $59,904.00
Monthly taxes = $998.40
Annual taxes = $11,980.80 ($998.40 x 12)
Monthly medical, dental, and vision insurance = $345.00
Annual medical, dental, and vision insurance = $4,140 ($345 x 12)
Total deductions and taxes = $16,120.80 ($11,980.80 + $4,140)
Annual net pay = $43,783.20 ($59,904.00 - $16,120.80)
Monthly net pay = $3,648.60 ($43,783.20/12)
Thus, monthly, Alexandra will earn a net pay of Option C.
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ANSUR II 2012
ANSUR is an abbreviation of "anthropometric survey." The ANSUR II study was conducted in 2012. (See also the preceding ANSUR I data set.) This data set consists of body measurements from 6068 U.S. Army personnel (first five rows shown here, not all data columns shown). AGE is in years, WEIGHT is in kilograms (kg), for GENDER 1=male and 0=female, for WRITING HAND 1=right and 2=left and 3=both, and the other body measurements are in millimeters (mm). Additional detail on body measurements can be found at TriolaStats.com/ansur. Data are from the U.S. Army.
TI-83/84 list names (ANSUR2)*: A2AGE, A2HT, A2WGT, A2FTL, A2HC, A2CC, A2NC, A2WC, A2SW, A2SH, A2SKH, A2SEH, A2NHT, A2PPD, A2ARM, A2WH, A2GND
*NOTE: TI lists are limited to 500 rows due to calculator memory constraints.
AGE HEIGHT WEIGHT FOOT LENGTH HEAD CIRC CHEST CIRC SHOULDER WIDTH SITTING HT ARM SPAN WRITING HAND GENDER (1=M)
41 1776 81.5 273 583 1074 493 928 1782 1 1
35 1702 72.6 263 568 1021 479 884 1745 2 1
42 1735 92.9 270 573 1120 544 917 1867 2 1
31 1655 79.4 267 576 1114 518 903 1708 1 1
21 1914 94.6 305 566 1048 524 919 2035 1 1
A2AGE, A2HT, A2WGT, A2FTL, A2HC, A2CC, A2NC, A2WC, A2SW, A2SH, A2SKH, A2SEH, A2NHT, A2PPD, A2ARM, A2WH, A2GND
The ANSUR II study was conducted in 2012 and consisted of body measurements from 6068 U.S. Army personnel. In the data set, AGE is in years, WEIGHT is in kilograms (kg), GENDER is identified as 1=male and 0=female, WRITING HAND is 1=right and 2=left and 3=both, and the other body measurements are in millimeters (mm). The following data list names are provided for TI-83/84: A2AGE, A2HT, A2WGT, A2FTL, A2HC, A2CC, A2NC, A2WC, A2SW, A2SH, A2SKH, A2SEH, A2NHT, A2PPD, A2ARM, A2WH, A2GND.
The first five rows of the data set are provided here for reference:
AGE HEIGHT WEIGHT FOOT LENGTH HEAD CIRC CHEST CIRC SHOULDER WIDTH SITTING HT ARM SPAN WRITING HAND GENDER (1=M)
41 1776 81.5 273 583 1074 493 928 1782 1 1
35 1702 72.6 263 568 1021 479 884 1745 2 1
42 1735 92.9 270 573 1120 544 917 1867 2 1
31 1655 79.4 267 576 1114 518 903 1708 1 1
21 1914 94.6 305 566 1048 524 919 2035 1 1
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4 What quantity represents the total change in the volume of water in the birdbath after
two days? Write your answer as a mixed number.
When these two numbers are subtracted, the difference is 2 3/4, which is the total change in the volume of water in the birdbath after two days. This can be written as a mixed number, which would be 2 3/4.
The total change in the volume of water in the birdbath after two days can be determined by subtracting the starting volume of water (1 1/2) from the ending volume of water (4 1/4).
The total change in the volume of water in the birdbath after two days is an important figure to calculate in order to understand the amount of water that has been added or removed from the birdbath. To calculate this figure, one must subtract the starting volume of water from the ending volume of water. In this scenario, the starting volume of water was 1 1/2 and the ending volume of water was 4 1/4. When these two numbers are subtracted, the difference is 2 3/4, which is the total change in the volume of water in the birdbath after two days. This can be written as a mixed number, which would be 2 3/4. This figure is important to know as it can help one determine how much water has been added or removed from the birdbath over a certain period of time.
the complete question is :
A birdbath is filled to the top. On Day 1, the volume of water in the bowl decreases by 7/8 cup. On Day 2, the volume in the bowl decreases by 3/4 cup. What number represents the total change in the volume of water in the bowl after two days? Write your answer as a mixed number.
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The formula F = \frac{9}{5} C + 32$ can be used to convert temperatures between degrees Fahrenheit ($F$) and degrees Celsius ($C$). What Celsius temperature $C$ has the same value when converted to a Fahrenheit temperature $F$?
The Celsius temperature that has the same value as when converted to a Fahrenheit temperature is -40
What Celsius temperature has the same value as FFrom the question, we have the following parameters that can be used in our computation:
F = 9/5C + 32
The Celsius temperature that has the same value as F implies that
C = F
Substitute the known values in the above equation, so, we have the following representation
C = 9/5C + 32
So, we have
C - 9/5C = 32
Evaluate the like terms
-4/5C = 32
So, we have
C = -32 * 5/4
Evaluate
C = -40
Hence, the value of C is -40
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A clothing designer is interested in determining if there is a relationship between a person’s age and their preference for a particular style of dress. A survey is written and asks questions including questions about age and dress size. Should these questions be included in the survey?
A. The questions are acceptable because the researcher is studying the relationship between age and preferred dress style.
B. The questions should not be included because people may not want to answer questions about age and dress size.
C. The questions can be included but there should be an option where the participant can choose not to respond to the questions.
D. The questions should not be included because surveys should never ask for personal information.
Therefore , the solution of the given problem of unitary comes out to be
option A is correct option.
An unitary method is what?The task can be finished by combining the data expression obtained to use this nanosection methodology with in all supplemental data from two people who employed a particular variable tactic. In plain English, this indicates that, if the desired result occurs, either the stated individual will be known or, in fact, the colour by both enormous processes would be skipped. A refundable fee of Rupees ($1.01) may be necessary for forty pens.
Here,
Given :
there is a relationship between a person’s age and their preference for a particular style of dress.
So,
The question can be included in the interview
and so,
option A. The questions are acceptable because the researcher is studying the relationship between age and preferred dress style.
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A. The questions are acceptable because the researcher is studying the relationship between age and preferred dress style.
What is probability?
Probability is a branch of mathematics that deals with the study of random events and the likelihood of their occurrence.
conducting a research study, it is important to carefully consider the questions being asked in the survey to ensure that they are relevant to the research question and that they do not cause any harm or offense to the participants. In the case of the clothing designer's survey, asking about age and dress size is relevant to the study's goal of investigating the relationship between age and preferred dress style. Therefore, including these questions in the survey is acceptable.
However, it is also important to consider the potential concerns or discomfort that some participants may have about answering these questions. To address these concerns, the survey questions should be worded in a respectful and non-intrusive manner.
Therefore, A. The questions are acceptable because the researcher is studying the relationship between age and preferred dress style.
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What are the finance charges?
$3. 79
$4. 68
$5. 32
$7. 50
In the case of the example given, the finance charge is $5.32, which is the amount of money that will be charged for borrowing the money for the given period.
Finance charges refer to the fees and interest associated with borrowing money or making a purchase on credit. Finance charges are usually expressed as a percentage of the total amount borrowed or purchased, and they are calculated based on the interest rate and the length of the loan term. In the case of the example given, the finance charge is $5.32, which is the amount of money that will be charged for borrowing the money for the given period. The finance charge is calculated by multiplying the interest rate by the amount borrowed and then dividing it by the total number of days in the loan term.
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Chris works at a bookstore and earns $7. 50 per h hour plus a $2 bonus for each book she sells. Chris sold 15 books. She
wants to earn a minimum of $300. Which inequality represents this situation, and what quantities are true for h?
The inequality that represents this situation is (x × y) + (z x n) ≥ $300 and the quantities are true for h when the value is 36.
To find the value of h (the number of hours Chris needs to work), we can rearrange the inequality as follows:
Base wage x Number of hours worked ≥ $300 - Bonus per book x Number of books sold
Number of hours worked ≥ ($300 - Bonus per book x Number of books sold) / Base wage
Now, let's substitute the values we know into this equation. We know that Chris earns a base wage of $7.50 per hour and a $2 bonus for each book sold. We also know that she sold 15 books. Therefore:
Number of hours worked ≥ ($300 - $2 x 15) / $7.50
Number of hours worked ≥ ($300 - $30) / $7.50
Number of hours worked ≥ $270 / $7.50
Number of hours worked ≥ 36
So, the inequality that represents this situation is:
Base wage x Number of hours worked + Bonus per book x Number of books sold ≥ $300
Now, let us consider that x refers the Base wage, y refers the Number of hours worked, z refers the Bonus per book and n refers the Number of books sold, then the resulting inequality is
=> (x × y) + (z x n) ≥ $300
And the true value of h (the number of hours Chris needs to work) is at least 36 hours.
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A gallon consists of about 16 cups. If 87(1)/(2)% of milk is water, how many cups of water are there in a gallon of milk?
If 87¹/₂ percent of milk is water and a gallon consists of 16 cups, the number of cups of water in a gallon of milk is 14 cups.
What is the percentage?A value expressed in percentage implies that it is the quotient multiplied by 100.
The quotient is the result of the division operation involving a portion and the whole value.
The number of cups in a gallon of milk = 16
The percentage of the content that is water = 87¹/₂%
87¹/₂% of 16 = 14 cups (16 x 87¹/₂%)
Thus, we can state that out of 16 cups in a gallon of milk, water consists of 14 cups, which is 87¹/₂ per cent.
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Shroff ate pizza at a party and told his friends that he ate 52/78 of a pizza. Can you help his friends understand what fraction of a pizza he really ate?
The fraction of pizza that Shroff ate is 2/3 of a pizza.
The Greatest Common Factor (GCF) is the largest number that divides evenly into two or more integers. It is also known as the Greatest Common Divisor (GCD).
To simplify the fraction, we need to find the greatest common divisor (GCD) of the numerator and denominator, and then divide both by that number.
The GCD of 52 and 78 is 26 (because 26 is the largest number that divides evenly into both 52 and 78).
So, to simplify the fraction, we divide both the numerator and denominator by 26:
52/78 = (52 ÷ 26) / (78 ÷ 26) = 2/3
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Hector is training for a race that is 10 kilometers long. On Saturday he ran 2.5 km. He plans to add 0.5 km to his distance every Saturday. Hector tracks his progress by adding 0.5 every week. 2.5 + 0.5 = 3.0 3.0 + 0.5 = 3.5 ⋮ 9.5 + 0.5 = 10 Which equations are equivalent to his weekly addition of 0.5 km and would correctly determine how many weeks it will take Hector to reach 10 km if he starts at 2.5 km and adds 0.5 km every week? Select all that apply. 0.5x + 2.5 = 10 0.5 – 2.5 = 10x 10 = 2.5 + 0.5x 2.5x + 0.5 = 10 2.5x – 0.5 = 10
According to the given information, it will take Hector 15 weeks to reach 10 km if he starts at 2.5 km and adds 0.5 km every week.
What is an equation?
An equation is a mathematical statement that shows that two expressions are equal. It typically consists of two sides separated by an equals sign (=), where each side contains an expression that may contain variables, constants, or mathematical operations. The goal of solving an equation is to find the value(s) of the variable(s) that make the equation true.
The equation that correctly determines how many weeks it will take Hector to reach 10 km is 0.5x + 2.5 = 10, where x is the number of weeks.
To verify, we can solve for x:
0.5x + 2.5 = 10
0.5x = 10 - 2.5
0.5x = 7.5
x = 7.5/0.5
x = 15
Therefore, it will take Hector 15 weeks to reach 10 km if he starts at 2.5 km and adds 0.5 km every week.
The other equations are not equivalent to Hector's weekly addition of 0.5 km:
0.5 – 2.5 = 10x is not equivalent because it does not involve adding 0.5 every week.
2.5x + 0.5 = 10 is not equivalent because it does not take into account Hector's starting distance of 2.5 km.
2.5x – 0.5 = 10 is not equivalent because it does not involve adding 0.5 every week and it also does not take into account Hector's starting distance of 2.5 km.
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I need help with this question
Answer:
range = 60
Step-by-step explanation:
the range of the data set is the difference between the largest and smallest values in the set.
the largest value = 140 ( denoted by the line on furthest right )
the smallest value = 80 ( denoted by line on left )
range = 140 - 80 = 60
Geometric Sequence
Need help with number 5
The sum of the perimeters of all squares is 80 ft.
What is perimeter?
Perimeter is the distance around the outer boundary of a two-dimensional shape, such as a rectangle, square, triangle, or circle. It is the total length of all the sides of the shape.
Starting with a square with a perimeter of 40 ft, we can find the length of one side by dividing the perimeter by 4:
[tex]\frac{40ft}{4} = 10ft[/tex]
So, the original square has a side length of 10 ft.
Connecting the midpoints of the sides of this square creates a new square with half the side length of the original square. Each side of this new square is the hypotenuse of a right triangle with legs equal to half the side length of the original square (i.e., 5 ft).
Using the Pythagorean theorem, we can find the length of each side of the new square:
[tex]s^2 = (5 ft)^2 + (5 ft)^2[/tex]
[tex]s^2 = 50 ft^2[/tex]
[tex]s = \sqrt{50}ft[/tex]
So, the second square has a side length of [tex]\sqrt{50}ft[/tex], which is approximately 7.07 ft.
Continuing this process, each subsequent square will have half the side length of the previous square. Therefore, the side length of the third square will be half the side length of the second square, which is:
[tex]\frac{1}{2}[/tex] * [tex]\sqrt{50}ft[/tex] = [tex]\sqrt{25}ft[/tex] = 5 ft.
The side length of the fourth square will be half the side length of the third square, which is: [tex]\frac{1}{2}[/tex] * 5 ft = 2.5 ft. And so on.
The perimeters of the squares are:
The perimeter of the first square is 40 ft.
The perimeter of the second square is 4 * [tex]\sqrt{50}ft[/tex], which is approximately 28.28 ft.
The perimeter of the third square is 4 * 5 ft = 20 ft.
The perimeter of the fourth square is 4 * 2.5 ft = 10 ft.
We can see that the perimeter of each subsequent square is half the perimeter of the previous square. So, the series for the perimeters of the squares is a geometric series with a first term of 40 ft and a common ratio of 1/2.
Using the formula for the sum of an infinite geometric series, we can find the sum of the perimeters of all squares:
S = a / (1 - r)
where a is the first term (40 ft) and r is the common ratio (1/2). Plugging in these values, we get:
S = 40 ft / (1 - 1/2)
S = 80 ft
Therefore, the sum of the perimeters of all squares is 80 ft.
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How can you isolate the term ? f/2+9= 4 ? ? on both sides.
The first ? has add,sub,multiple by,and divide by.
The second ? has -9, -4, 4,and 9.
For the isolated term the value of f/2 is -2.5
Given the equation f/2+9=4, we need to isolate the term f/2 to solve for the value of f. To do so, we need to perform the same operation on both sides of the equation in order to keep it balanced.
One way to isolate f/2 is to subtract 9 from both sides of the equation. This would give us:
f/2 = -5
By subtracting 9 from both sides, we removed the constant term from the left side of the equation. This operation did not affect the capacity of the equation, as we simply moved a constant value from one side to the other.
Another way to isolate f/2 is to multiply both sides of the equation by 2. This would give us:
f + 18 = 8
By multiplying both sides by 2, we eliminated the denominator on the left side of the equation, and the capacity of the equation remained unchanged.
Next, to isolate the term f, we need to perform the same operation on both sides of the equation, but this time with a different set of values.
To isolate f, we can subtract 18 from both sides of the equation. This would give us:
f = -10
By subtracting 18 from both sides, we removed the constant term from the right side of the equation, and the capacity of the equation remained the same.
We can also isolate f by dividing both sides of the equation by 2. This would give us:
f/2 = -2.5
By dividing both sides by 2, we eliminated the numerator on the left side of the equation, and the capacity of the equation remained unchanged.
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Simplify the expression. Negative 19 plus the quantity negative 4 and five tenths plus 6 and 87 hundredths end quantity divided by 3 all times 5 squared minus 7 and 3 tenths 19. 6 −18. 4 31. 45 −6. 55
The expression can be simplified by breaking it down into its individual components. we multiply this by 5 squared, which simplifies to 25 x 5 = 125. Lastly, we subtract 7.3 from 125 to get 117.7, which is the final answer.
First, we can evaluate the expression inside the parentheses, which is -4.5 + 6.87. This evaluates to 2.37. We then divide this by 3 to get 0.79. Next, we multiply this by 5 squared, which gives us 79. Lastly, we subtract 7.3 from 79 to get 71.7, which is the final answer.
The expression can be expanded by breaking it down into its individual parts. First, we have -19, which is already in its expanded form. Next, we can expand the expression inside the parentheses, which is -4.5 + 6.87. This can be expanded to -4 + 0.5 + 6 + 0.87, which simplifies to -4 + 6 + 0.87 = 2.87. We then divide this by 3 to get 0.79. Next, we multiply this by 5 squared, which simplifies to 25 x 5 = 125. Lastly, we subtract 7.3 from 125 to get 117.7, which is the final answer.
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Two angles lie along a straight line. If m∠A is four times the sum of m∠B plus 17.5°, how many degrees is m∠B?
A straight angle split into two adjacent angles, Ay and B.
The measure of angle B on the straight line is 22 degrees
How to determine the measure of angle BWhen two angles lie along a straight line, they form a straight angle which measures 180 degrees.
The statement from the question can be represented as
m∠A = 4(m∠B + 17.5°)
But we know that the sum of the measures of angles A and B is 180 degrees, since they form a straight angle.
m∠A + m∠B = 180°
Substitute the known values in the above equation, so, we have the following representation
4(m∠B + 17.5°) + m∠B = 180°
Simplifying this equation, we get:
5m∠B + 70° = 180°
Subtracting 70 degrees from both sides, we get:
5m∠B = 110°
Dividing both sides by 5, we get:
m∠B = 22°
Therefore, the measure of angle B is 22 degrees.
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MATH WORK! HELP! I WILL MAKE U BRAINLIST :)
Answer:
(-4, -2) x=−4, y=−2
Step-by-step explanation:
Percy took a total of 12 quizzes over the course of 4 weeks. How many weeks of school will Percy have to attend this quarter before he will have taken a total of 15 quizzes? Assume the relationship is directly
Answer:
5 weeks
Step-by-step explanation:
To solve this problem, we can use the idea of proportionality. We know that the number of quizzes Percy takes is directly proportional to the number of weeks he attends school. This means that we can set up a proportion:
12 quizzes / 4 weeks = 15 quizzes / x weeks
We can cross-multiply to get the following:
12x = 60
Then we can solve for x:
x = 60/12 = 5
Therefore, Percy will have to attend 5 weeks of school to take a total of 15 quizzes.
0
What is the mean of the data set?
(11, 14, 11, 11, 15, 11, 12, 12, 18, 15}
13
12
11
9
Answer:
the mean is 13
Step-by-step explanation:
the mean is all the numbers added (130) divided the number of numbers in the set(10)
A loan of £5500 gains interest of £1540 in 4 years.
Find the simple interest rate.
I am so confused someone please help me
Answer:
C
Step-by-step explanation:
Answer:
D. 192
Step-by-step explanation:
192 possible combinations.
[tex]12 * 8 = 192[/tex]
Think of it this way. If you can choose a shirt and pants with colors blue and green for each, You combinations would be blue blue, green green, blue green, and green blue. 2 options and 2 options.
[tex]2 * 2 = 4[/tex]
Another example with ice cream, flavor and topping.
Choose 1 option from each category.
Flavors: Vanilla, Chocolate, Strawberry
Toppings: Caramel, Sprinkles, M&Ms
All Combinations:
Vanilla, Caramel
Vanilla, Sprinkles
Vanilla, M&Ms
Chocolate (with the three toppings)
Strawberry (with the three toppings)
9 total combinations, [tex]3 * 3 = 9.[/tex]
Multiply the number of options for each category.
a student takes an exam containing 16 true or false questions. if a student randomly guesses on the entire exam, what is the expected value of the number of incorrect answers? do not round your answer.
In this case, the probability of getting a question wrong is 0.5, and there are 16 questions, so the expected value of incorrect answers is 0.5 x 16 = 8.
The expected value of the number of incorrect answers on a 16-question true or false exam with random guessing is 8. This is because there are an equal number of true and false answers, and the chance of getting each one correct is 50%. Therefore, the expected value of incorrect answers is 8.
To calculate the expected value, you need to multiply the probability of getting a question wrong by the number of questions.
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6^3x- 8^(x+1) show all your work, and round your final answer to four decimal places and check your solution.
Therefore , the solution of the given problem of expressions comes out to be x ≈ 0.6309.
What does an expression actually mean?Calculations that combine joining, removing, and random subdivision must be done with ever-changing factors. They could accomplish the following if they united: An programme, some data, and a mathematical problem. Formulas, components, and arithmetic operations like adds, subtractions, mistakes, and groupings can all be found in a declaration of truth.
Here,
We can rewrite this equation as follows in order to answer it using the properties of logarithms:
We can now use a substitution to simplify the problem. Let y = 8^x.
By finding x, we obtain:
=> y = (6³ˣ))/8
This equation can be made simpler by applying the formula 8 = 23:
=> y = (6³ˣ))/(2³)
=> y = (3³ˣ)/(2³)
=> 6³ˣ - (3³ˣ)/(2³) = 0
=> (6³ˣ)*(2³) - (3³ˣ) = 0
=> (2³)/(3³ˣ) - 1 = 0
=> log((2³)/(3³ˣ)) = log(1)
=> log(2³) - log(3³ˣ) = 0
Simplifying, we get:
=> 3log(2) - 3xlog(3) = 0
By multiplying both parts by 3log(3), we obtain:
=> x = (log(2))/(log(3))
Using a calculator, we can calculate this expression to four decimal places:
=> x ≈ 0.6309
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Select whether AB and CD are parallel, perpendicular, or neither.
A(8, 4), B(4, 3), C(4, -9), D(2, -1)
The slopes of AB and CD are neither equal nor negative reciprocals of each other, we can conclude that AB and CD are neither parallel nor perpendicular.
To determine if AB and CD are parallel, perpendicular, or neither, we need to find the slopes of both lines.
The slope of AB can be found using the formula:
m = (y₂ - y₁) / (x₂ - x₁)
where (x₁, y₁) = (8, 4) and (x₂, y₂) = (4, 3).
mAB = (3 - 4) / (4 - 8) = -1/4
The slope of CD can be found using the formula:
m = (y₂ - y₁) / (x₂ - x₁)
where (x₁, y₁) = (4, -9) and (x₂, y₂) = (2, -1).
mCD = (-1 - (-9)) / (2 - 4) = 8 / (-2) = -4
If the two lines are parallel, their slopes must be equal. However, mAB = -1/4 and mCD = -4, so the two lines are not parallel.
If the two lines are perpendicular, their slopes must be negative reciprocals of each other. That is, mAB x mCD = -1.
However, mAB x mCD = (-1/4) x (-4) = 1, which is not equal to -1. Therefore, the two lines are not perpendicular either.
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13 < q - 7 (show your work
Answer:
[tex]q > 20[/tex]
Step-by-step explanation:
[tex] - q < - 13 - 7[/tex]
[tex]q > 20[/tex]