The required solution to the given expression is 3 which is determined by the division operation.
What is the division operation?In mathematics, divides left-hand operands into right-hand operands in the division operation.
To determine the evaluation of expression 4 ÷ 4/3
When considering multiplying the fractions together, After that, you would multiply the denominator across and the numerator across, respectively. Your final answer should be 12/4 However, if you simplify it by 4, your final answer will be 3.
Thus, the required solution to the given expression is 3.
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PLS HELP! 30 POINTS!!!!!
A Linear equation in standard form is
2x + y = -4
slope of the function = -2
the perpendicular line equation in standard form -x + 2y = -6
How to find slope of linear equationA standard equation is of the form Ax + By = C
A = 2
B = 1
C = -4
Rearranging the equation to the slope intercept form of the form as
y = mx + c
where
m = slope
c = intercept
x = input variables
y = output variables
Ax + By = C
By = -Ax + C
y = -Ax/B + C
calculation of slope
m = -A/B
substituting the values of A and B
m = - 2/1
m = -2
a new perpendicular slope, m' is given by
m' = -1/m
plug in the value of m
m' = -(1/-2)
m' = 1/2
new equation passing through point (8, 1)
(y - y₁) = m' (x - x₁)
y - 1 = 1/2(x -8)
y - 1 = x/2 - 4
y = x/2 - 3
writing in standard form
y = x/2 - 3
2y = x - 6
-x + 2y = -6
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What is the average hourly pay of someone making 45,000 per year? Assume a 40 hour workweek and a 52 week year.
The average hourly pay of person making 4500 per year is 21.63 per hour.
Given that,
we have to find what does a person making $45,000 a year make per hour on average, Assume a 52-week year and a 40-hour workweek.
To calculate this
The ratio of the sum of the values in a given set to all the values in the set is the mean value, which is the definition of the average.
We have to multiply 52-week year and a 40-hour work week.
40×52
2080
Now, divide 45000 by 2080
45000/2080
21.63
Therefore, The average hourly pay of person making 4500 per year is 21.63 per hour.
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please help me asap I need to find X and Y
Answer: x = 8 y = 21
Step-by-step explanation:
7x + 12 = 12x - 28
40 = 5x
x = 8
180 = 12(8-28) + 9y - 77
180 = 96 - 28 - 77 + 9y
180 = -9 + 9y
189 = 9y
y = 21
Answer:
x=8
y=21
Step-by-step explanation:
9y-77+12x-28=180
9y+12x=285
7x+12=12x-28
5x=40
x=8
9y+96=285
9y=189
y=21
Using the quadratic formula to solve 11x2-4x=1, what’s re the values of x
What is the slope of the line passing through the points (2, 4) and (5, 6)?
A. 6/11
B. -2/3
C. 7/10
D.2/3
Answer:
D, 2/3
Step-by-step explanation:
Using the Slope formula [tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex] we can find the slope of the line.
Input values:
[tex]m=\frac{6-4}{5-2}=\frac{2}{3}[/tex]
[tex]m=\frac{2}{3}[/tex]
A scientist mixes water (containing no salt) with a solution that contains 35% salt. She wants to obtain 210 ounces of a mixture that is 20% salt. How many ounces of water and how many ounces of the 35% salt solution should she use?
120 ounces of 35% salt and 90 ounces of water is needed to obtain 210 ounces of a mixture that is 20% salt.
What is an equation?An equation shows the relationship between two or more numbers and variables.
Let x represent the amount of water and y represent the amount of 35% solution.
She wants to obtain 210 ounces of a mixture that is 20% salt. Hence:
x + y = 210 (1)
Also:
0% of x + 35% of y = 20% of 210
0.35y = 42
y = 120
x + y = 210
x + 120 = 210
x = 90
120 ounces of 35% salt and 90 ounces of water
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Given the equation negative 26 equals y over 13, solve for y.
−2
2
−338
388
pls help I exam!
Answer:
y = -338
Step-by-step explanation:
[tex]-26 = \dfrac{y}{13}[/tex]
Multiply by 13 on both sides.
[tex]-26 \cdot 13 = y[/tex]
[tex]-338 = y[/tex]
y = -338
Answer:
-338
Step-by-step explanation:
-26=y/13
cross multiplying
y=-26×13
y=-338
PLS HELP ME ASAP IM SO CONFUSED?
Basically, Least Common Multiple(LCM) is a method to find the smallest common multiple between any two or more numbers. A common multiple is a number which is a multiple of two or more numbers. GCF/HCF ( Greatest/Highest Common Factor) is the highest number that divides exactly into two or more numbers.
Answers:
9) LCM of 36, 3, 12 = 36
GCF of 36, 3, 12 = 3
10) LCM of 6, 54, 12 = 108
GCF of 6, 54, 12 = 6
11) LCM of 16, 8, 12 = 48
GCF of 16, 8, 12 = 4
Find the value of x in 4^x+64^x= 272
Answer:
1.342
Step-by-step explanation:
4^x+64^x=272
4^x+(4^3)^x=272
4^3x+4^x=272
(4^x)^3+4^x=272
(4^x)^3+4^x-272=0
u^3+u-272=0 ==> substitute 4^x with u
Now, use synthetic division to find roots:
[tex]\sqrt[3]{272}[/tex]31 | 1 0 1 -272
[tex]\sqrt[3]{272}[/tex]1 [tex]\sqrt[3]{272^2}[/tex] 272
1 [tex]\sqrt[3]{272}[/tex]1 [tex]\sqrt[3]{272^2}[/tex] 0
4^x=[tex]\sqrt[3]{272}[/tex]
log 4 (4^x)=log 4 ([tex]\sqrt[3]{272}[/tex])=1.342
Original quantity:100 New quantity:106
Original quantity:10 New quantity:16
Original quantity:50 New quantity:56
The percentage increase for each of the given figures are;
a) 6%
b) 6%
c) 12%
What is the percentage Increase?Percentage increase is simply defined as the percentage by which a figure increases. The formula to calculate percentage increase is;
Percentage increase = (Final value - Initial Value)/initial value) * 100%
a) We are given;
Original quantity = 100
New quantity = 106
Thus;
Percentage increase = (106 - 100)/100 * 100%
Percentage increase = (6/100) * 100%
Percentage increase = 6%
b) We are given;
Original quantity = 10
New quantity = 16
Thus;
Percentage increase = (16 - 10)/10 * 100%
Percentage increase = (6/10) * 100%
Percentage increase = 60%
c) We are given;
Original quantity = 50
New quantity = 56
Thus;
Percentage increase = (56 - 50)/50 * 100%
Percentage increase = (6/50) * 100%
Percentage increase = 12%
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Complete question is;
Find the percent increase for the given original and new quantities in parts a through c.
a) Original quantity:100 New quantity:106
b) Original quantity:10 New quantity:16
c) Original quantity:50 New quantity:56
The next model of a sports car will cost 13.6% less than the current model. The current model costs $42,000. How much will the price decrease in dollars? What
will be the price of the next model?
Answer:
36,288
Step-by-step explanation:
Which polynomials are in standard form?
Choose all answers that apply:
(A) 5-2a
B
4-8²-16
5x³+4x¹3x +1
None of the above
By the concept of polynomial, first second and third option are correct.\
What is polynomial?
At first it is important to know about algebraic expression
Algebraic expression consist of variables and numbers connected with addition, subtraction, multiplication and division.
An algebraic expression of the form [tex]a_0+a_1x+a_2x^2 + ....+a_nx^n[/tex] is called a polynomial of degree n
For the First Option
5 - 2a is in the form of [tex]b_0 + a_1a[/tex]
So the first option is a polynomial
For the second option
[tex]4 - 8^2 -16\\4 -64 -16\\-76[/tex]
which is a constant
And all constants are polynomial
So the second option is a polynomial
For the third option
[tex]5x^3 +4x^13x +1\\5x^3 + 12x^2 +1[/tex]
which is of the form [tex]a_0+a_1x + a_2x^2 + a_3x^3, a_1 = 0[/tex]
So the third option is a polynomial
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Division A of Aztec Manufacturing purchases materials to be used in production from an outside supplier for $20 per unit. The same materials are produced by Division B. Division B incurs variable costs of $10 per unit. Currently, Division B is able to sell only 320,000 units to outside buyers out of 400,000 units produced. In this situation, if a transfer price of $18 per unit is established between the two divisions and 80,000 units of materials are transferred to Division A, by what amount would Division B's operating income increase? a.$160,000 b.$960,000 c.$640,000 d.$800,000
The operating income of Division B will increase by $640,000
How to calculate the increase in Division B's operating income?
Given that: Division B incurs variable costs of $10 per unit and a transfer price of $18 per unit is established between the two divisions and 80,000 units of materials are transferred to Division A
This cost of production by division B is:
cost = $10 × 80,000 = $800,000
Division B uses a transfer price of $18 per unit. That is:
Selling price = $18 × 80,000 = $1,440,000
Operating income increase = Selling price - cost
Operating income increase = $1,440,000 - $800,000 = $640,000
Therefore, Division B's operating income increase will be $640,000
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Find the mean, μ, for the binomial distribution which has
the stated values of n and p. Round answer to the nearest
tenth.
n = 38; p = 0.2
Select one:
Ο Α. μ = 8.3
OB. μ = 7.9
Cu = 7.1
OD. μ = 7.6
The mean value is 7.6. Option (D) is the correct answer.
The number of successes in a sample of size n drawn with replacement from a population of size N is frequently modeled using the binomial distribution.
The mean value of a binomial distribution is,
[tex]\mu =np\\=38*0.2\\=7.6[/tex]
Multiplication:
In mathematics, multiplying two or more numbers yields the product of the numbers. It is one of the basic mathematical operations that we carry out on a regular basis. The most obvious application is using multiplication tables. The multiplication of two numbers in mathematics represents the repeated addition of one number in respect to another. These numbers can be natural numbers, whole numbers, fractions, integers, or other types of numbers. When m is multiplied by n, m is either multiplied by n times or added to itself n times.
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A home developer is planning to build h houses with identical floor plans. Each house will have 3 smaller bedrooms that each require 150 square feet of carpet and 1 larger bedroom that requires 270 square feet of carpet.
The required expression is 3h(150) + h(270) which is the correct answer would be an option (D).
What is the algebraic expression?Algebraic expressions are mathematical statements with a minimum of two terms containing variables or numbers.
Since each house will have 3 smaller bedrooms that required 150 square feet of carpet
⇒ 3 × 150
Each house will have 1 larger bedroom that requires 270 square feet of carpet.
⇒ 270
So, (3 × 150 + 270) × h
⇒ 3h(150) + h(270)
Thus, The required expression is 3h(150) + h(270).
Hence, the correct answer would be an option (D).
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The question seems to be incomplete the completed part has been attached below
Simplify (5-3)2+8\2x3-7+1
Answer: 12/0
Step-by-step explanation: (5−3)(2)+8
(2)(3)−7+1
=
(2)(2)+8
(2)(3)−7+1
=
4+8
(2)(3)−7+1
=
12
(2)(3)−7+1
=
12
6−7+1
=
12
−1+1
=
12
0
=
1
0
;)
Find the values of P and Q in the arithmetic progression: -12, P, Q, 18.
The value of P=2 and Q=8 as in AP, The difference in two terms is equal between all the terms.
What is Arithmetic Progression?A series of numbers called an arithmetic progression or arithmetic sequence has a constant difference between the terms. Sn = n/2[2a + (n 1) d] is the formula to determine the sum of an arithmetic progression. where an is the first term in the arithmetic progression, n is the total number of terms, and d is the common difference. If there is always the same difference between any two consecutive terms in a series of numbers, that progression is known as an arithmetic progression. Simply put, it means that the previous number in the series is added to determine the next number in the series.
Here,
18--12=30/3=10
P=-12+10
=-2
Q=-2+10
=8
P=2 and Q=8 as in AP, the difference between the two terms is equal for all terms.
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Complete (assume $60,000 of overhead to be distributed): (Enter amount of overhead allocated as whole dollar amounts. Round your ratio answers to the nearest hundredth.) Sq. Ft. Ratio Amount of Overhead Allocated Dept. A 10,000 A B Dept. B 30,000 C D
The calculation of the ratios, resulting from the square feet occupied by Departments A and B, and the amounts of allocated overhead costs to the two departments are as follows:
Ratio Amount
Department A 1/5 $10,000
Department B 4/5 $40,000
What is the ratio?The ratio is the relative value relationship shared by two or more numbers.
Ratios are fractional values depicted in fractions, decimals, and percentages.
Like proportions, ratios show how much a value or variable is contained in another.
Total overhead = $60,000
Overhead Allocation:Department Square Feet Ratio Amount of Overhead Allocated
Dept. A 10,000 A = 1 B = $15,000 ($60,000 x 1/4)
Dept. B 30,000 = 3 D = $45,000 ($60,000 x 3/4)
Ratios = 10,000:30,000
= 1:3
Sum of Ratios = 4
Thus, based on the ratios, Department A is allocated $15,000, while Department B will be allocated $45,000 of the distributable overhead costs.
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What percent is 199 is 761
Answer:
Step-by-step explanation:
Solutionx% of 199 is 761 is 382.41206…% Answer
Convert x% into a decimal and multiply by 199
In order to convert a percent to a ratio, divide it by 100:
a%=a100
a=x
x% =x100
Convert to decimal form=0.01x
Multiply 0.01x by 199
=0.01x· 199=1.99x
Solve 1.99x=761
1.99x=761
x=761/1.99
x=382.41206%
Simplify.
2x-4
²-8+12
O
O
O
-6
x+6
x-6
-
x-2
²-82+12
The simplified value of (2x - 4)² is 4x² - 16x + 16.
First, let us understand the algebraic identities;
Algebraic identities are equations in which the left hand side of the equation is identically equal to the right hand side of the equation.
Some of the identities are:
(a + b)² = a² + 2ab + b²(a - b)² = a² - 2ab + b², etc.We are given (2x - 4)².
Use the identity (a - b)² = a² - 2ab + b² to expand to the given expression.
So, a = 2x and b = 4.
Put it into the identity, we will get;
Therefore,
(2x - 4)² = (2x)² - 2 * 2x * 4 + (4)² = 4x² - 16x + 16
Thus, the simplified value of (2x - 4)² is 4x² - 16x + 16.
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30 years ago zoe was 2/3 as old as luke, 18 years ago zoe was 5/6 as old as luke how old are they now
Based on the mathematical statements, Zoe is 56 years old and Luke is 66 years old, now
How to determine how old they are now?From the question, we have the following statements that can be used in our computation:
30 years ago
Zoe was 2/3 as old as Luke
18 years ago
Zoe was 5/6 as old as Luke
Let their present ages be represented as
Zoe = x
Luke = y
So, we have the following representations
30 years ago
Zoe was 2/3 as old as Luke
x - 36 = 2/3(y - 36)
18 years ago
Zoe was 5/6 as old as Luke
x - 18 = 5/6(y - 18)
So, we have the following system of equations
x - 36 = 2/3(y - 36)
x - 18 = 5/6(y - 18)
Make x the subject in x - 18 = 5/6(y - 18)
x = 5/6(y - 18) + 16
Substitute x = 5/6(y - 18) + 16 in x - 36 = 2/3(y - 36)
5/6(y - 18) + 16 - 36 = 2/3(y - 36)
Open the brackets
5/6y - 15 + 16 - 36 = 2/3y - 24
Evaluate the like terms
5/6y - 35 = 2/3y - 24
Multiply through by 6
5y - 210 = 4y - 144
Evaluate the like terms
y = 66
Substitute y = 66 in x = 5/6(y - 18) + 16
x = 5/6(66 - 18) + 16
Evaluate
x = 56
Recall that
Zoe = x
Luke = y
So, we have
Zoe = x = 56
Luke = y = 66
Hence, they are 56 and 66 years, now
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Ayana is 1 1-/22 meters tall. Her little sister Chike is 1
Complete the comparison.
Ayana is
times as tall as Chike.
14/14 meters tall.
Answer:
1.2
Step-by-step explanation:
3/2 ÷ 1 1/4
Answer:
1.2
Step-by-step explanation:
Just did it on khan academy.
After a 31% mark up, you purchase a new television for $524. What was the original price of the television?
Answer:
162.4$
Step-by-step explanation:
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a man travels xkm at 60 km per hour and ykm at 40 km per hour and takes 11/4 hours for the Journey,if the time taken for 5x km at 40 km per hour and 3y km at 50 km per hour is 11 hours 42 minutes find X and Y
The value of the x is 60 km and the value of the y is 70 km.
Given that a man travels x km at 60 km/h and y km at 40 km/h and the total time traveled is 11/4 i.e 2.75 h.
Let's suppose that the time traveled for the x km is t1, time traveled for the y km is t2 and total time is T ,so by using the speed distance formula t1 & t2 will be :
t1 = x/60 and t2 = y/40 ;
T = t1 + t2;
i.e 2.75 = x/60 + y/40 ;
Multiply both sides with 120,
330 = 2x + 3y ............i
Now given that man traveled 5x km at 40 km/h and 3y km at 50 km/h in total time of 11. 7 hours. Similarly the equation for this situation will be :
T = t1 + t2;
x/8 + 3y/50 = 11.7 ;
Multiply both sides with 200, we will get
25x + 12y = 2340 .........ii
Now by simplifying the equation i and ii we will get the value of x and y which are 60 and 70 respectively.
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7/2a+4/2a^2 as a fraction
Answer:
1/2a (4a+7)
Step-by-step explanation:
First You Divide:7/2a+ 2a^2
Rearrange Terms: 2a^2+ 7/2a
Find the Common Factor: 1/2(4a^2+7a)
Rewrite in the Fraction Form: 1/2a (4a+7)
I know this is the right answer because I learned this in 5th grade.
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i need the answers to these
Required values are to be put in blank space,
a. 99
b. 10
c. 5
after using logarithmic properties.
What is logarithm?The other technique to write exponents in mathematics is using logarithms. A numbers base based logarithms is equal to other number. A logarithm performs exponentiation's exact opposite function
For example:
If 10² = 100 then log₁₀¹⁰⁰ = 2.
Some logarithmic properties used are:
logₐˣ + logₐⁿ = logₐˣⁿ logₐˣ - logₐⁿ = logₐ[tex]^{x/n}[/tex] logₐ⁽ˣ⁾ⁿ = n logₐˣAll of the questions are based on simple logarithmic properties:
a. In this properties used are,
logₐˣ + logₐⁿ = logₐˣⁿ
log₅⁹ + log₅¹¹ = ?
comparing with general form, we get
log₅⁹ + log₅¹¹ = log₅⁹⁹
b. In this properties used are,
logₐˣ - logₐⁿ = logₐ[tex]^{x/n}[/tex]
? - log₉⁷ = log₉[tex]^{10/7}[/tex]
comparing with general form, we get
log₉¹⁰ - log₉⁷ = log₉[tex]^{10/7}[/tex]
c. In this properties used are,
logₐ⁽ˣ⁾ⁿ = n logₐˣ
log₂[tex]^{1/25}[/tex] = log₂⁽[tex]^{1/5}[/tex]⁾² = -2 log₂⁽⁵⁾
Comparing with general form, we get
log₂[tex]^{1/25}[/tex] = -2log₂⁵
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lynn bought a new crash cymbal for her drum set. it costs 120$ but she received a 15% student discount. Roger bought the same crash cymbal from another store for$130 but he used a coupon for $25 off. who got the better deal
lynn got the better deal than Roger.
What is Percentage?percentage, a relative value indicating hundredth parts of any quantity.
Given,
lynn bought a new crash cymbal for her drum set. it costs 120$ but she received a 15% student discount.
Convert 15% to decimal form
15%=15/100=0.15
0.15×120=18
So 15% of 120 is 18.
Iynn bought crash cymbal for her drum set is 120-18=102
Roger bought the same crash cymbal from another store for$130
Roger applied coupon of $25.
So 130-25=$105
When we compare both Iynn and Roger, Iynn got the crash cymbal for a better deal.
Hence lynn got the better deal than Roger.
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suppose v varies directly as g,and v=36 when x=4.Find v when g=11
Answer:
v = 99
Step-by-step explanation:
given v varies directly as g then the equation relating them is
v = kg ← k is the constant of variation
to find k use the condition v = 36 when g = 4 , then
36 = 4k ( divide both sides by 4 )
9 = k
v = 9g ← equation of variation
when g = 11 , then
v = 9 × 11 = 99
Jolyn's points per basketball game are normally distributed with a standard deviation of 7 points. If Jolyn scores 48 points, and the z-score of this value is 3, then what is her mean points in a game?
If Jolyn scores 48 points, and the z-score of this value is 3, then her mean points in this normally distributed game is equal to 27.
How to calculate the mean points?In a normal distribution, the relative score or z-score can be calculated by using this formula:
[tex]z=\frac{x\;-\;u}{\sigma}[/tex]
Where:
x represents the sample score.u represents the mean point.σ represents the standard deviation.Making mean (μ) the subject of formula, we have:
μ = x - zσ x
Substituting the given parameters into the formula, we have;
Mean point, μ = 48 - (3 × 7)
Mean point, μ = 48 - 21
Mean point, μ = 27.
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Find the slope and reduce.
P=(2, 3) Q=(9, 7)
Answer:
[tex]\frac{4}{7}[/tex]
Step-by-step explanation:
Slope = m
m = [tex]\frac{y_{2}- y_{1}}{x_{2}-x_{1}}[/tex]
m = [tex]\frac{7-3}{9-2}[/tex] = [tex]\frac{4}{7}[/tex]