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2 years ago

10

The equation 4 ( x - 2 ) = 100 is a true equation for a particular value of x. Explain why 2 ( x - 2 ) = 50 is also true for the

same value of x.

1 answer:

KatRina [158]2 years ago

3 0

Answer:

a) 4(x - 2) = 100

4x - 8 = 100

4x = 92

x = 23

b) 2(x - 2) = 50

2x - 4 = 50

2x = 46

x = 23

Step-by-step explanation:

When solving for x in both equations, we get the same value of x which makes that statement true.

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Solve the following inequality for w 8w+8>-10w-5

Vlad [161]

Answer:

Step-by-step explanation:

8w+8 > -10w-5

18w + 8 > -5

18w > -13

w > -13/18

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2 years ago

Eric prepared 45 kilograms of dough after working 9 hours. How many hours did Eric work if he prepared 55 kilograms of dough? As

EastWind [94]

45 / 9 = 5

55 / 5 = 11

Eric worked 11 hours to prepare 55 kilograms of dough.

4 0

2 years ago

A farmer has 500 acres to plant acres of corn, x, and acres of cotton, y. Corn costs $215 per acre to produce, and cotton costs

tatyana61 [14]

Answer:

The system that represent the scenario is

$x+y\leq500$

$215x+615y\leq 187,500$

The solution in the attached figure

Step-by-step explanation:

Let

x-----> the acres of corn

y----> the acres of cotton

we know that

$x+y\leq500$ ------> inequality A

$215x+615y\leq 187,500$ -----> inequality B

using a graphing tool

the solution is the shaded area in the attached figure

8 0

3 years ago

Read 2 more answers

120 books increased by 55%

DiKsa [7]

Simplest way to do this:
number of books= 120
percentage represented by 120= 100%
increase current percent by 55%= 155%

: . 55% increase = original number of books * (155%)
= 120 * (155/100)
= 186

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3 years ago

Help please :]!!<br> please be right,

pickupchik [31]

I think it’s c I had this question lol

8 0

2 years ago

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