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olasank [31]
3 years ago
7

What is the best first step for solving the equation 5 = 3x - 4? a. Add 4 to both sides of the equation. b. Subtract 4 from both

sides of the equation. c. Multiply both sides of the equation by 3 d. Divide both sides of the equation by 3.​
Mathematics
1 answer:
Brut [27]3 years ago
4 0

Answer:

A. Add 4 to both sides of the equation.

Step-by-step explanation:

Isolate your variable by using inverse operations.

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Step-by-step explanation:

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Answer: The first step would be to multiply the first equation by 3 and the second by 2 so you can eliminate x.

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What is the surface area
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184 m²

Step-by-step explanation:

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Chang is 6 inches taller than nancy. Use n for nancy’s height in inches. Write an expression to represent chang's height. Then e
Irina-Kira [14]

Answer:

Expression Chang:

N+6

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Step-by-step explanation:

3 0
2 years ago
What is the area of ruth's mural?
pentagon [3]

Answer:

Step-by-step explanation:

Comment

The shape consists of a rectangle on the bottom and a trapezoid on the top.

Rectangle

A rectangle has a very simple Area formula. It is Area = L*W. In this case the L = 14 m and is horizontal. The width is at right angles to the length and is marked as 3.

Area = L * w

L = 14

w = 3

Area = 14 * 3 =                            42 m^2

Trapezoid

The trapezoid is a bit more complicated and some things have to be found. First of all b1 is the first base of the trapezoid. It is parallel to and equal to  the Length of the rectangle. b2 is marked 10 meters. The height is just a bit more complicated. The total height of the figure is 8 m. You can't count the 3 m of the rectangle as part of the height because b1 comes only to the top of the rectangle. The height is 8 - 3 = 5

Area = 1/2(b1 + b2)*h/2

b1 = 14

b2 = 10

h = 8 - 3 = 5

Area = 1/2 ( 14 + 10) * 5 / 2

Area = 1/2 (24)*5

Area = 12 * 5

Area =                                      <u>    60 m^2</u>

Total Area                                  102 m^2

8 0
1 year ago
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