Answer two questions about Equations A and B:
A. 5x=20
B. X=4
1) How can we get Equation B from Equation A?
Choose 1 answer:
Multiply/divide both sides by the same non-zero constant
Multiply/divide both sides by the same variable expression
Add/subtract the same quantity to/from both sides
Add/subtract a quantity to/from only one side

Answers

Answer 1
You would divide both sides by the same non-zero constant
Answer 2

Multiply/divide both sides by the same non-zero constant. Therefore, option A is the correct answer.

What is an equation?

In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

Given that, A) 5x=20 and B) x=4.

Here, 5x=20

Divide both sides by the same non-zero constant 5, we get

5x/5 =20/5

x=4

Therefore, option A is the correct answer.

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Related Questions

Regroup to express the number in a different way. \begin{aligned} 73{,}250= &7\text{ ten thousands} +3 \text{ thousands} +2 \text{ hundreds} +5\text{ tens} \\\\ 73{,}250=& 7\text{ ten thousands} +3 \text{ thousands} +1 \text{ hundred} + \bigstar\text{ tens} \end{aligned} 73,250= 73,250= ​ 7 ten thousands+3 thousands+2 hundreds+5 tens 7 ten thousands+3 thousands+1 hundred+★ tens ​ \bigstar=★=\bigstar, equals

Answers

Answer:

i got you wait an sec

Step-by-step explanation:

You want to share a one kilogram gold bar with your friends. How many friends can you give one gram to, if you divide up the gold bar? You want to share a one kilogram gold bar with your friends. How many friends can you give one gram to, if you divide up the gold bar? 1. 1,000 2. 10 3.10,000 4. 100

Answers

Answer:

1,000 friends will get 1 gram of gold bar each from 1 kilogram of gold bar

Step-by-step explanation:

1 kilogram of gold bar = 1,000 grams of gold bar

You have 1 kilogram of gold bar

You want each of your friends to get 1 gram

Number of friends that will get 1 gram of gold bar each = 1 kilogram of gold bar / 1 gram

= 1000 gram / 1 gram

= 1,000

Number of friends that will get 1 gram of gold bar each = 1,000 friends

Evaluate: 5c + 7d - 5 for c = -2 and d=3

Answers

5c+7d-5

c=-2 so 5x is 5x-2.

5x-2=-10

d=3 so 7d is 7x3.

7x3=21

-10+21-5

-10+21=11

11-5=6

The answer is 6

hope it helps!

Answer:

Step-by-step explanation:

5(-2) + 7(3) - 5

-10 + 21 - 5

11 - 5 = 6

If 4 times a number is added to -8 the result is equal to 12 times the number

Answers

Answer:

-1

Step-by-step explanation:

let 'x' be the unknown number

4x+(-8)=12x

4x-8 =12x

-8=12x-4x

-8=8x

-8=8x

8 8

x=-1

hope it helps ❤❤❤

For any question comment me

-14 = -8m + 2
please help!​

Answers

The answer for -14 =-8m + 2 is M=2

A^2+12a-7-3a^2-5a+8 what answer

Answers

Ur answer is: -2a² + 7a + 1

Answer:

Step-by-step explanation:

a^2 + 12a - 7 - 3a^2 - 5a + 8

-2a^2 + 7a + 1

B is incorrect so it's not the answer...

Answers

Answer:

x^2 - 4x - 3

Step-by-step explanation:

f(x) = x^2 - 6x

g(x) = -2x + 3

(f - g)(x) is the subtraction of the functions, f(x) - g(x)

You need to write it carefully using parentheses for function g(x).

(f - g)(x) = f(x) - g(x) =

= x^2 - 6x - (-2x + 3)

Now take care of the parentheses by distributing the negative sign to its left. It will change every sign inside the parentheses.

= x^2 - 6x + 2x - 3

= x^2 - 4x - 3

how do i do this? -X= 8​

Answers

Answer:

x = -8​

Step-by-step explanation:

-X= 8​

Multiply by -1

-X*-1= 8*-1

x = -8​

Answer:

x = -8

Step-by-step explanation:

Multiply both side of the equation by -1

-x(-1) = 8(-1)

On the x side, the negatives cancel each other out, making x positive.

On the 8 side, the negative makes the 8 into -8.

x = -8

(essentially, switch the negative/positive signs)

1.
Social Security and Medicare taxes are amounts employees can opt in or out of
paying each pay period.
O True
O False

Answers

It’s false. These payments are mandated
*false



________________

A scale drawing of a school bus has a scale of 1 inch to 5 feet. If the length of the school bus is 6 inches on the scale drawing, what is the actual length of the bus? Explain or show your reasoning. *

Answers

Answer: 30 Feet

Step-by-step explanation:

In Technical drawings scales are used to reduce the size ( scaling ) of drawings so they fit in our drawing sheets. in this example above the drawer stated that 1inch was representing 5feet. what this means is that because we can’t get a drawing sheet which would be 40-100 feet wide we need to rescale our drawing to fit into the available sheet. So by saying 1inch equals 5feet this means the school bus is 30Feet in length.

25 POINTS PLS
The space shuttle travels at about 28,000 km per hour. Using that information, estimate how many hours it will take the shuttle to reach Saturn from Earth. Show your work. Convert your answer into scientific notation if necessary.
(Saturn is 1,429,400,028 kilometers away from the sun, and Earth is 149,599,951 kilometers away from the sun)

Answers

i got about 56393 hours

What is the value of x?

Answers

Answer:

x = 58

Step-by-step explanation:

Angle =  1/2(difference of intercepted arcs)

51 = 1/2 ( 160 -x)

Multiply each side by 2

2*51 = 160-x

102 = 160-x

Subtract 160

102 -160 = -x

-58 = -x

58 =x

URGENT!!! Pls HELP

When dividing fractions that are represented in same terms, their quotient is simply the quotient of their numerators.
Write an equation that demonstrates this.

Answers

Answer:  see below

Step-by-step explanation:

The result is the quotient of the numerators because the denominators cancel out.

[tex]\text{Consider}\ \dfrac{2}{7}\div \dfrac{3}{7}\\\\\\=\dfrac{2}{7}\times \dfrac{7}{3}\\\\\\\text{Cross-cancel the 7's:}\\=\dfrac{2}{3}[/tex]

9 1/10

Step-by-step explanation:

2 3/5 / 2/7 = 13/5 x 7/2 = 91/10 = 9 1/10

What is 8 ×4 - 3×7+9

Answers

8×4=32

3 × 7 = 21 +9 = 30

32 - 30 = 2

Which describes the transformations of y = f(x) that would result in the graph of y = f(-x) – 7.
O a reflection in the y-axis followed by a translation down by 7 units
O a reflection in the y-axis followed by a translation up by 7 units
O a reflection in the x-axis followed by a translation down by 7 units
O a reflection in the x-axis followed by a translation up by 7 units

Answers

Answer:

a reflection in the y-axis followed by a translation down by 7 units

Step-by-step explanation:

just answered it

The transformations of the graph is a reflection in the x-axis followed by a translation down by 7 units.

Option (C) is correct.

It is required to choose  the transformations of the graph.

What are transformations?

A transformation is a general term for four specific ways to manipulate the shape and/or position of a point, a line, or geometric figure. The original shape of the object is called the Pre-Image and the final shape and position of the object is the Image under the transformation.

Given:

We have a given a graph of y = f(-x) – 7.

The transformations in order are the following:

Reflection over the x-axis.

Horizontal translation of 7 units to the left.

Therefore, the transformations of the graph is a reflection in the x-axis followed by a translation down by 7 units.

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What is the perimeter of the rectangle

Answers

Answer:

6x+6

Step-by-step explanation:

To find the perimeter you are going to add the length of all the edges. 2x+3 + 2x+3+x+x. When you simplify it all you found your answer.

Walter is planning a hiking trip and he estimated the gradient of trail to be 213.6 ft/mile. After hiking and tracking the trail, he found that the trail was actually 202.7 ft/mile. What was his percent error? Did he overestimate or underestimate the gradient?

Answers

Answer: His percent error = 5.38 %

He overestimated the gradient.

Step-by-step explanation:

Formula : [tex]Percent\ error =\dfrac{|Estimated\ value- Actual\ value|}{Actual\ value}\times100[/tex]

Given, Estimated gradient of trail  = 213.6 ft/mile

Actual gradient of trail  =  202.7 ft/mile

Since,  213.6 > 202.7 , that means he overestimated the gradient.

Percent error: [tex]\dfrac{|213.6-202.7|}{202.7}\times100[/tex]

[tex]=\dfrac{10.9}{202.7}\times100\\\\\approx5.38\%[/tex]

Hence, percent error = 5.38 %

APEX PRE CALC: For a ____ function, the domain is broken into pieces, with a different rule defining the function for each piece.

Answers

Answer:

Piecewise

Step-by-step explanation:

For a piecewise function, the domain is broken into pieces, with a different rule defining the function for each piece.

Piecewise functions are usually a function that equals two or more equations depending on the x or the domain.

Google piecewise functions to see examples.

I hope this helps!

Answer: Piecewise

Step-by-step explanation:

There will be breaks and jumps in the curve, particularly when a value would undefined. So the solution curve looks like disconnected pieces.

Please help!!! Fist answer gets brainliest

Answers

To multiply exponents, you add them. To divide exponents, you subtract them. The answer would be 5 to the power of -3. However, we need to change that. 5 to the power of -3 is equal to 1 divided by 5 to the power of 3. 1 divided by 5 to the power of 3 is correct.

The perimeter of a triangle is 137 cm. If the three sides of the triangle are (x + 7) cm, (2x – 5) cm, and (3x – 3) cm, what is the length of each side?

Answers

Answer:30,41,66

Step-by-step explanation:

(X+7)+(2x-5)+(3x-3)=137

Solve for x

X=23 cm

Sides are 23+7=30

2*23-5=41

3*23-3=66

If 1/5 of the money in a cash box is 30 dollars, how much money is in the cash box?

Answers

Answer:

Money in the cash box is $150

Step-by-step explanation:

Let

x = money in the cash box

1/5 of the money in a cash box is 30 dollars

1/5 of x = $30

1/5 * x = 30

1/5x = 30

Divide both sides by 1/5

x = 30 ÷ 1/5

= 30 × 5/1

= 150/1

x = $150

Money in the cash box is $150

am i right with the question and if i m can you explain further i think i awser is y=10x

Answers

You are correct.

C is the constant, which is also called the slope.

Slope = change in y over the change in x:

Slope = 160-30 / 16-3 = 130/13 = 10

The equation would be y = 10x

23
Justin started the race at 3:25 p.m. Justin finished the race at 8:50 p.m. How long did it take Justin to run the race?
OA. 5 hours and 25 minutes
B. 5 hours and 35 minutes
OC. 3 hours and 25 minutes
OD. 6 hours and 25 minutes

Answers

Answer - A

Explanation - 8 - 3 = 5 50 - 25 = 25

Answer:

A. 5 hours and 25 minutes

Step-by-step explanation:

8 - 3 = 5

50 - 25 = 25

8:50 pm - 3:25 pm = 5:25

A. 5 hours and 25 minutes

(-8)-6+(-5) help ima stuck

Answers

Answer: -19

Step-by-step explanation:

-8 -6 = -14

-14 - 5 = -19

Answer:

-19

Step-by-step explanation:

(-8)-6+(-5)

-14+(-5)

-19

In the diagram below of triangle KLM, N is a midpoint of KL and P is a midpoint
of LM. If mZPNL = 2x + 61, and MKN = 97 - 7x, what is the measure of
ZPNL?

Answers

Answer:

Solution:

(1/12)^(-2b) * 12^(-2b+2) = 12

(12^-1)^(-2b) (12)^(-2b+2) = 12

(12^2b)(12)^(-2b+2) = 12

12^(2b-2b+2) = 12

12^2 = 12

144 does not equal 12

No solution.

Step-by-step explanation:

The measure of angle PNL will be equivalent to 69 degrees.

What is triangle?

A triangle is a polygon with three edges and three vertices. The sum of all the angles of a triangle is 180 degrees. Mathematically -

∠x + ∠y + ∠z = 180°

The sum of two sides of a triangle is greater then the third side. Mathematically -

a + b > c

There are different types of triangles such as -

equilateral triangle , scalene triangle , isosceles triangle etc.

Given is a triangle KLM such that N is a midpoint of KL and P is a midpoint of LM.

Triangles LMP and LKM are similar to each other. Therefore, PN will be parallel to MK. So angle PNL will be equal to angle MKN. Therefore -

2x + 61 = 97 - 7x

9x = 97 - 61

9x = 36

x = 4

So, angle PNL will be equal to -

2 x 4 + 61

69 degrees

Therefore, the measure of angle PNL will be equivalent to 69 degrees.

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can someone tell me the difference between sine, cosine, and tangent

Answers

Answer:

sin∅ = opposite over hypotenuse

cos∅ = adjacent over hypotenuse

tan∅ = opposite over adjacent

Step-by-step explanation:

Each of these trigs are used to find angles or lengths of a triangle.

sin∅ would be the y-value of the unit circle.

cos∅ would be the x-value of the unit circle.

In an algebraic expression what is the product of 15 and c

Answers

Answer:

15c

Step-by-step explanation:

15 multiplyed by c gives 15c

In an algebraic expression, the product of 15 and c can be represented as 15c.

The term "product" refers to the result of multiplying two or more numbers or variables together. In this case, we are multiplying the number 15 by the variable c.

The expression 15c represents 15 multiplied by the value of c. It can be thought of as 15 times an unknown value represented by c. The variable c can represent any real number or algebraic expression, depending on the context of the problem or equation.

For example, if c is equal to 2, then the product 15c would be equal to 15 multiplied by 2, resulting in 30. Similarly, if c is equal to -3, then the product would be -45 since multiplying 15 by -3 gives -45.

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A cyclist rode 3.75 miles in 0.3 hours. How fast was she going in miles per hour? Round your answer to the tenths (first) decimal place.

Answers

Answer:

12.5 miles per hour

Step-by-step explanation:

The speed is the distance divided by time.

3.75 miles/0.3 hours= 12.5 miles per hour

Answer:

12.5 miles per hour

Step-by-step explanation:

To answer this question you have to make sure that the hours (denominator) equals to 1. To do this, divide 3.75 by 0.3, thus making the 0.3 hours into 1 hour. This results in 12.5 miles per hour, the correct answer. Hope this helped!

Enter 4 3/8 as a decimal

Answers

3/2= 1,5
Hope this helps
4.375? Not really sure..

if 9/24 = 3/x then x is

Answers

Answer:

8

Step-by-step explanation:

Answer: 3/8

Step-by-step explanation: 9÷3=3 then 24÷3=8

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