The measure of the angles is c = 37. 5 degrees
d = 15 + 37.5 = 52. 5 degrees
How to determine the anglesTo determine the value, we need to know what complementary angles are;
Complementary angles are defined as pair of angles whose sum is equal to 90 degrees
From the information given, we have that;
Angle c and d are both complementary angles
Also, the measure of angle d is 15 degrees greater than the measure of angle c
Then, we have;
d = 15 + c
Substitute the values
c + 15 +c = 90
collect like terms
2c = 90 - 15
2c = 75
Divide both sides by the coefficient
c = 37. 5 degrees
Substitute the value for angles d
d = 15 + 37.5 = 52. 5 degrees
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WILL GIVE 100 POINTS What is the circumference of the circle with a radius of 2.5 meters? Approximate using π = 3.14.
61.62 meters
19.63 meters
15.70 meters
7.85 meters
Answer: the approximate circumference of the circle with a radius of 2.5 meters is 15.70 meters.
Step-by-step explanation:
The circumference of a circle can be calculated using the formula C = 2πr, where C is the circumference and r is the radius.
Given a radius of 2.5 meters and using an approximation of π = 3.14, we can calculate the circumference as:
C = 2 * 3.14 * 2.5
C ≈ 15.70 meters
Answer:
15.70 meters
Step-by-step explanation:
Use the formula: [tex]\\\sf{C = 2\pi r}[/tex]
C = circumference, R = radius, [tex]\pi[/tex] = pi (3.14)
C = 2(3.14)(2.5)
C ≈ 15.70
-----------------------------------≈
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Consider a circle whose equation is x2 + y2 – 2x – 8 = 0. Which statements are true? Select three options. The radius of the circle is 3 units. The center of the circle lies on the x-axis. The center of the circle lies on the y-axis. The standard form of the equation is (x – 1)² + y² = 3. The radius of this circle is the same as the radius of the circle whose equation is x² + y² = 9.
The correct statement is the center of the circle does not lie on the x-axis or the y-axis.
Given the equation of a circle, x² + y² – 2x – 8 = 0. Transform this equation in standard form of equation of circle
The standard form of the equation is (x – 1)² + y² = 8, and the radius of this circle is not the same as the radius of the circle whose equation is x² + y² = 9. Also, the center of the circle does not lie on the x-axis or the y-axis.
Therefore, the correct statement is the center of the circle does not lie on the x-axis or the y-axis.
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help pls i need this like rn
The probability of just thunder is 0.196.
We have,
The probability of rain P(A) = 1/2
The probability of thunder and raining P(A ∩ B) = 1/3
The probability of rain and thunder P(A U B) = 11/30
Now,
Using the addition rule of probability.
P(A U B) = P(A) + P(B) - P(A∩B)
Substituting.
11/30 = 1/2 + P(B) - 1/3
11/30 - 1/2 + 1/3 = P(B)
P(B) = 0.196
The probability of just thunder is 0.196.
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need help with this problem
The solution to the system of equations is given as follows:
x = 3z + 3.y = -2z + 4.z = z.How to solve the system of equations?Considering the augmented matrix, the system of equations is defined as follows:
x + y - z = 7.2x + 3y = 18.-5x - 7y + z = -43.Adding the first and third equations, we have that:
-4x - 6y = -36.
From the second equation, we have that:
2x + 3y = 18.
The addition equation is a multiple of this equation, hence the system has an infinite number of solutions.
From the second equation, we have that:
2x + 3y = 18.
x + 1.5y = 9
x = 9 - 1.5y.
The definition for z is given as follows:
z = x + y - 7.
Hence the variable y is:
y = z - x + 7.
The variable x is of:
x = 9 - 1.5(z - x + 7)
x = 9 - 1.5z + 1.5x - 10.5
0.5x = 1.5 + 1.5z
x = 3z + 3.
The variable y is:
y = z - 3z - 3 + 7
y = -2z + 4.
Hence the solution is:
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Find the missing value that makes the ratio equivalent to 1:5
4:___ And ___:65
Answer: 4:20 and 13:65
Step-by-step explanation: First one is 4 x 5 and second one you would do 65/5
Point O is the center of the circle in the diagram. What is
mzBCA?
A. 80°
B. 75°
C. 70°
D. 65°
A bakery wanted to make their muffins more uniform in size. They reworked their equipment to do so. To test the changes, they made 25 muffins then measured each one. Which of the following should they use to determine whether or not the equipment changes worked?
Select one:
a.
mean
b.
mode
c.
range
d.
interquartile range
I need some help please
The earthquake registered 3.6 on the Richter scale.
How to calculate the numeric value of a function or of an expression?To calculate the numeric value of a function or of an expression, we substitute each instance of any variable or unknown on the function by the value at which we want to find the numeric value of the function or of the expression presented in the context of a problem.
The function for this problem is given as follows:
R = log(A/0.0001)
The amplitude of the earthquake was of 0.3954, hence the magnitude of the earthquake is obtained as follows:
R = log(0.3954/0.0001)
R = 3.6.
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Please fast!!!!!!!!!!!!!!!! Triangle 1 and triangle 2 are similar right triangles formed from a ladder leaning against a building.
Triangle 1 Triangle 2
The distance, along the ground, from the bottom of the ladder to the building is 12 feet. The distance from the bottom of the building to the point where the ladder is touching the building is 18 feet. The distance, along the ground, from the bottom of the ladder to the building is 8 feet. The distance from the bottom of the building to the point where the ladder is touching the building is unknown.
Determine the distance from the bottom of the building to the point where the ladder is touching the building for triangle 2.
27 feet
18 feet
12 feet
5 feet
The distance from the bottom of the building to the point where the ladder is touching the building for triangle 2, obtained using trigonometric ratio of tangent is 12 feet. The correct option is therefore;
12 feet
What are the trigonometric ratios?The trigonometric ratios are the value relationship between an interior angle of a right triangle and two of the sides of the triangle.
The right triangles are similar, therefore, the tangent of the angle the ladder makes with the ground are the same, which indicates;
tan(θ) = (Length of the side facing the angle θ) ÷ (Length of the side adjacent to the angle θ)
The side facing the angle is the distance from the bottom to the point where the ladder touches the building.
The adjacent to the angle is the horizontal distance from the bottom to the ladder to the building.
Therefore; tan(θ) = 18/12 = x/8
Where x = The distance from the bottom of the building to the point the ladder touches the building for triangle 2
18/12 = x/8
x = 18/12 × 8 = 12
The distance, x = 12 feet
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Answer:
12?
Step-by-step explanation:
I'm not too sure! I am in the middle of taking the test right now.
A. What are three types of financial institutions that would offer these types of financial services?
Three types of financial institutions that would offer various financial services are Banks, Credit Unions and Investment Firms.
Three types of financial institutions that would offer various financial services are:
Banks: Banks are traditional financial institutions that provide a wide range of financial services, including savings and checking accounts, loans, mortgages, credit cards, investment services, and more. They also offer services like ATM access, online banking, and mobile banking.
Credit Unions: Credit unions are member-owned financial cooperatives that offer similar services to banks, such as savings and checking accounts, loans, and mortgages. Credit unions often provide competitive interest rates and lower fees compared to banks. They are typically organized around a specific community, occupation, or group of individuals.
Investment Firms: Investment firms, also known as brokerage firms or investment banks, specialize in providing investment-related services. They assist clients in buying and selling stocks, bonds, mutual funds, and other investment products. Investment firms may also offer financial advisory services, wealth management, retirement planning, and access to research and market analysis.
These financial institutions play a crucial role in managing and facilitating various financial services to individuals, businesses, and organizations.
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I really dont get this ,can yall help me out
Convert 2553 base 10 to base 16
Step by step explanation
Please help me it’s due today!!!!
(a) The sum of the interior angles of a regular octagon is 1,080⁰.
(b) The measure of one interior angle is 135⁰.
(c) The sum of the exterior angles of the octagon is 360⁰.
What is the sum of the interior angles of a regular octagon?The sum of the interior angles of a regular octagon is calculated as follows;
The formula for sum of interior angles is given as;
sum of interior angles = (n - 2) x 180
where;
n is the number of sidesThe number of sides of a regular octagon = 8
sum of interior angles = (n - 2) x 180
sum of interior angles = (8 - 2) x 180
sum of interior angles = 1,080⁰
The measure of one interior angle = 1,080 / 8 = 135⁰
The sum of exterior angles of a polygon = 360⁰, so the sum of the exterior angles of the octagon is 360⁰.
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The equation n = 0.03t² -0.6t+ 3.93, models, n , the number (in millions) of people who moved to another state in the year that is t years since 1990. The table below shows some of the data that were used to find this model. Year 1995 1998 2001 2004 2006 Number of People Who Moved to Another State (millions) a. When t O what is the value of n ? What does it mean in this situation? Select an answer 1.7 1.1 1.0 1.5 2.1 b. Estimate the number of people who moved to another state in 2005. million (Round to the nearest tenth of a million.) c. Predict the number of people who moved to another state in 2014. million (Round to the nearest tenth of a million.)
When t = 0, the value of n is approximately 3.93 million. The estimated number of people who moved to another state in 2005 is approximately 1.68 million. The predicted number of people who moved to another state in 2014 is approximately 6.81 million.
we need to substitute the given values of t (years since 1990) into the equation n = 0.03t² - 0.6t + 3.93. Let's calculate the values accordingly:
a. When t = 0 (which corresponds to the year 1990), we substitute this value into the equation:
n = 0.03(0)² - 0.6(0) + 3.93
n = 0 + 0 + 3.93
n ≈ 3.93
So, when t = 0, the value of n is approximately 3.93 million. In this context, it means that in the year 1990, around 3.93 million people moved to another state.
b. To estimate the number of people who moved to another state in 2005 (t = 2005 - 1990 = 15), we substitute this value into the equation:
n = 0.03(15)² - 0.6(15) + 3.93
n = 0.03(225) - 9 + 3.93
n = 6.75 - 9 + 3.93
n ≈ 1.68
Therefore, the estimated number of people who moved to another state in 2005 is approximately 1.68 million.
c. To predict the number of people who moved to another state in 2014 (t = 2014 - 1990 = 24), we substitute this value into the equation:
n = 0.03(24)² - 0.6(24) + 3.93
n = 0.03(576) - 14.4 + 3.93
n = 17.28 - 14.4 + 3.93
n ≈ 6.81
Hence, the predicted number of people who moved to another state in 2014 is approximately 6.81 million.
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What are the x and y coordinates so i can graph it
Answer:
Step-by-step explanation:
X is the horizontal line and Y is the vertical line. :)
How did I get my answer?
3+2=25
5+4=81
2+2=16
The pattern involves squaring the sum of the given numbers.
Here's the process for each equation:
3+2=5, then [tex]5^2=25[/tex]
5+4=9, then [tex]9^2=81[/tex]
2+2=4, then [tex]4^2 = 16[/tex]
How to solveOn careful analysis of the given pattern and answers, I am able to observe that this is a pattern-based numerical puzzle where the standard rules of arithmetic do not apply.
In this case, the pattern involves squaring the sum of the given numbers.
Here's the process for each equation:
3+2=5, then [tex]5^2=25[/tex]
5+4=9, then [tex]9^2=81[/tex]
2+2=4, then [tex]4^2 = 16[/tex]
So, the answer is obtained by first adding the numbers and then squaring the result.
This puzzle demonstrates that the logic behind the equations is different from traditional arithmetic, showcasing the importance of understanding the pattern to get the correct answer.
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does anyone knows the solution of this
The complete solution to the system is 25/17, 61/17, 2/17 respectively.
How to find solution to a matrix system?Using the Gauss-Jordan elimination method to find the solution of the system of linear equations represented by the given augmented matrix:
Starting matrix:
[1 -2/3 -1/3 | 1]
[1 -2 6 | -17]
[-3 -7 3 | -43]
Add Row 1 to Row 2 and Row 3:
[1 -2/3 -1/3 | 1]
[0 -4/3 17/3 | -18]
[0 -1 0 | -40]
Multiply Row 2 by -3/4:
[1 -2/3 -1/3 | 1]
[0 1 -17/4 | 27/2]
[0 -1 0 | -40]
Add Row 1 to Row 2 and Row 3:
[1 0 -7/4 | 19/2]
[0 1 -17/4 | 27/2]
[0 0 -17/4 | -13/2]
Multiply row 3 by -4/17:
[1 0 -7/4 | 19/2]
[0 1 -17/4 | 27/2]
[0 0 1 | 2/17]
Add Row 3 to Row 1 and Row 2:
[1 0 0 | 25/17]
[0 1 0 | 61/17]
[0 0 1 | 2/17]
Therefore, the solution of the system of linear equations is:
x = 25/17
y = 61/17
z = 2/17
So the solution is [25/17, 61/17, 2/17].
Thus the completed augmented matrix is:
[1 0 0 | 25/17]
[0 1 0 | 61/17]
[0 0 1 | 2/17]
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9. Lucy is designing a block for a quilt. She measured one of the
angles. Use the numbers and symbols on the tiles to write and
solve an equation to find the unknown angle measure.
? 110
40° 70° 110° 180° +
Equation:
Solution: ? =
= ?
The unknown angle measure is 70 degrees.
We are given that;
The values 40° 70° 110° 180°
Now,
One possible equation to find the unknown angle measure is:
180 - 40 - 70 = ?
This equation is based on the fact that the sum of the angles in a triangle is 180 degrees. To solve for ?, we can subtract 40 and 70 from both sides of the equation:
180 - 40 - 70 = ? - 40 - 70 180 - 110 = ? 70 = ?
The solution is ? = 70 degrees.
Therefore, by equation the answer will be 70 degrees.
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Select the correct answer.
Weight/Calories per Day 1000 to 1500 cal. 1500 to 2000 cal. 2000 to 2500 cal. Total
120 lb. 90 80 10 180
145 lb. 35 143 25 203
165 lb. 15 27 75 117
Total 140 250 110 500
Based on the data in the two-way table, which statement is true?
The correct probability from the two-way table is given as follows:
B. P(120 lb | 2,000 - 2,500 cal) is different of P(120 lb).
How to calculate a probability?
A probability is calculated as the division of the desired number of outcomes by the total number of outcomes in the context of a problem/experiment.
Then the probabilities are given as follows:
P(1,000 - 1,500 cal | weight of 165 lb) = 15/117.P(1,000 - 1,500 cal) = 140/500 -> item a is false.P(120 lb | 2,000 - 2,500 cal) = 10/110 = 1/11.P(120 lb) = 180/500.Hence statement B is true.
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The pair of solids is similar. Find the volume of each solid. Round to the nearest tenth, if necessary.
The volume of small solid is 24 cm³ and volume of big solid is 216 cm³.
Given that
Height of small solid = 4 cm = h₁
Width of small solid = 2 cm = w₁
Length of small solid = 3 cm = L₁
Width of big solid = 6 cm = w₂
Let,
Height of small solid = h₂
Length of small solid = L₂
Since we know that volume of solid = length x width x height
Therefore, volume of small solid = 4x2x3 = 24 cm³
Since both the solids are similar,
So,
⇒ w₁/w₂ = h₁/h₂
⇒ 2/6 = 4/h₂
⇒ h₂ = 12 cm
Also,
w₁/w₂ = L₁/L₂
⇒2/6 = 3/L₂
⇒ L₂= 9 cm
Hence , the volume of big box = 6x12x9
= 216 cm³
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Graph XY with endpoints X(-3, 1) and Y(4,-5) and its image after the composition.
Translation: (x, y)→(x, y + 2)
Rotation: 90° about the origin
The graph of its image after the composition is shown in graph.
We have to given that;
XY with endpoints are,
⇒ X (-3, 1) and Y (4,-5)
Now, After Translation (x, y)→(x, y + 2) we get;
X = (- 3, 1)
X' = (- 3, 1 + 2) = (- 3, 3)
Y = (4, - 5)
Y' = (4, - 3)
And, After Rotation: 90° about the origin.
That is, (x, y) = (y, - x)
The points of image are,
X'' = (3, 3)
Y'' = (- 3, - 4)
Thus, The graph of its image after the composition is shown in graph.
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A line passes through the points in this table.
X
4
5
6
7
y
24
19
14
9
What is the slope of the line?
Write your answer as an integer or simplified fraction.
The slope of the line passing through the given points is -2.5.
To find the slope of a line passing through two points, we need to use the formula:
Slope = (Change in y) / (Change in x
We can choose any two points from the given table to find the slope of the line. Let's choose the points (4, 19) and (6, 14).
Change in y = 14 - 19 = -5
Change in x = 6 - 4 = 2
Slope = (-5) / 2 = -2.5
Therefore, the slope of the line passing through the given points is -2.5.
The slope of a line represents the steepness of the line. If the slope is positive, the line is increasing as we move from left to right. If the slope is negative, the line is decreasing as we move from left to right. A slope of 0 represents a horizontal line, while an undefined slope represents a vertical line.
In this case, the slope of -2.5 indicates that the line is decreasing at a moderate rate as we move from left to right. The higher the absolute value of the slope, the steeper the line.
It is important to note that the slope is constant for any two points on a straight line. Therefore, we can choose any other two points from the table to find the slope, and we will get the same result.
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the total cost of football tickets varies directly with the number of tickets purchased four tickets cost $32 how many tickets can you buy for $56
Number of tickets one can purchase from 56 dollars is 7.
Given that, 4 football tickets costs $32.
So, the cost of one football ticket = Total cost/Number of tickets
= 32/4
= $8
Number of tickets purchased for $56 = 56/8
= 7
Using variation
4:32::x:56
32x=56×4
x=7
Therefore, there are 7 tickets one can purchase from 56 dollars.
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b). A pupil solved a fraction task as follows: 3/5 + 1/2 = 4/7. Identify what the child did wrongly. Explain how you would solve the task correctly, leaving your answer as a common fraction.
The correct answer to the fraction task is 3/5 + 1/2 = 11/10 expressed as a fraction and 4/7 is incorrect answer
The pupil made an error in their addition of 3/5 and 1/2, resulting in an incorrect answer of 4/7.
To solve the task correctly, we need to find a common denominator for 3/5 and 1/2.
The least common multiple of 5 and 2 is 10, so we can rewrite the fractions with a denominator of 10 as follows:
3/5 = 6/10
1/2 = 5/10
Now we can add the fractions:
6/10 + 5/10 = 11/10
Hence, the correct answer to the fraction task is 3/5 + 1/2 = 11/10 expressed as a fraction.
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7) Line BC is a tangent to the circle. Find angle ACB.
The measure of the angle BCA is 50 degrees.
How to find the angle BCA?The angles at the circumference subtended by the same arc are equal.
The angles at the circumference on the same segment theorem states that angles in the same segment of the circle are equal.
Therefore, let's use the theorem to find the angle ∠BCA in the circle.
Hence,
∠BCA = ∠BOA
Finally,
∠BCA = 50 degrees.
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7. Is (s + t)^2 equivalent to s^2 + 2st + t^2? Explain or show your reasoning.
Answer:
Yes, (s + t)^2 is equivalent to s^2 + 2st + t^2. This can be shown through the process of expanding the expression (s + t)^2 using the FOIL method (multiplying first, outer, inner, and last terms).
First, we can rewrite (s + t)^2 as (s + t)(s + t).
The first terms are s and sThe outer terms are s and tThe inner terms are t and sThe last terms are t and tNow, we do the multiplication and combine like terms:
s*s + s*t + t*s + t*t
s^2 + st + st + t^2
s^2 + 2st + t^2
Fill in the sentences shown with the correct information from the answer choices provided.
The sales of the number of ice creams and the number of fruit salads sold at Brian's restaurant for a week are shown.
Fruit Salad Sales
Ice Cream Sales
|||||||||*
Previous
18 20 22 24 26 28 30 32 34 36 38 40
The restaurant sold at least 22 fruit salads for exactly
The restaurant sold at least 30 ice creams for exactly
of the week.
of the week.
Sign out
Mar
The restaurant sold at least 22 fruit salads for exactly 25% of the week.
The restaurant sold at least 30 ice creams for exactly 75% of the week.
The restaurant sold at least 28 ice creams and fruit salads for exactly 50% of the week.
What is a box-and-whisker plot?In Mathematics and Statistics, a box plot is a chart that is used to visually represent the five-number summary of a data set with respect to locality, skewness, and spread.
Based on the data (information) provided about the sales of the number of ice creams and the number of fruit salads sold, the five-number summary for the given number of fruit salads sold include the following:
Minimum (Min) = 22.First quartile (Q₁) = 26.Median (Med) = 28.Third quartile (Q₃) = 34.Maximum (Max) = 40.For the number of ice creams sold, we have:
Minimum (Min) = 18.First quartile (Q₁) = 24.Median (Med) = 28.Third quartile (Q₃) = 30.Maximum (Max) = 34.Read more on boxplot here: brainly.com/question/29648407
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Missing information:
The question is incomplete and the complete question is shown in the attached picture.
WILL GIVE BRAINLIEST IF CORRECT
The value of x is 5.
Using Angle Sum Property
The sum of the angles in a triangle is always 180 degrees. So, we can set up an equation:
9x-1 + 62 + 74 = 180
Simplifying the equation:
9x + 135 = 180
9x = 45
x = 5
Therefore, x is 5.
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Thanks in advance for any assistance! Assume that θ is a positive acute angle.
Given: cosθ = 45/53
Find: cos2θ
Answer:
1≠0.346485
Step-by-step explanation:
14. Which is NOT a part of your budget? (1 point) fixed expenses Ogross pay Odiscretionary expenses Orealized income
Realized income is NOT part of your budget.
Income that has really been received or generated within a certain period is referred to as realized income. It stands for the money that has been made or acquired through a variety of sources, including work, investments, or commercial ventures.
Realized income is a crucial part of a budget since it shows the actual cash that a person or organization has available for budgeting and financial planning.
The income is what may be used for a variety of costs, savings, investments, or other financial objectives.
In order to appropriately reflect the financial resources available for controlling spending and making financial decisions, realized income is often included as part of a budget.
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