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3 years ago

You earn $20 per hour doing landscaping work. Your total earnings depend on the amount of hours you spend landscaping.

Mathematics

2 answers:

11111nata11111 [884]3 years ago

7 0

Answer:

You earn $20 per hour doing landscaping work.

Your total earnings depend on the amount of hours you spend landscaping.

So, here the amount earned is dependent variable and number of hours worked is independent variable.

This can be shown with the function:

$f(h) = 20h$ (h is the number of hours worked)

lina2011 [118]3 years ago

6 0

20(x)

x=how many hours worked

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Is x a solution to 80<-9x+8

saveliy_v [14]

Answers: $x$

1. Switch sides

$-9x+8>80$

2. Subtract by 8 from both sides of equation.

$-9x+8-8>80-8$

3. Simplify.

$-9x>72$

4. Multiply by -1 from both sides of equation. (it's should be the reverse inequality).

$(-9x)(-1)$

5. Simplify.

$9x$

6. Then you had to divide by 9 from both sides of equation.

$\frac{9x}{9}< \frac{-72}{9}$

7. Simplify.

$\frac{9x}{9}=x$

8. Divide by the numbers.

$\frac{9}{9}=1$

$=x$

$\frac{-72}{9}=-8$

9. Divide by the numbers.

$\frac{72}{9}=8$

$=-8$

$x$

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3 years ago

Evaluate the expression for the given values of the variables. x2 + 4(x − y) ÷ z2, for x = 8, y = 5, and z = 2

prisoha [69]

(8)(2)+4(8)(-5)(2)(2)

The answer is -624

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3 years ago

What’s the correct answer for this ?

pickupchik [31]

Answer:

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3 years ago

2x-9 x=3 ..............................

WINSTONCH [101]

Answer:

Step-by-step explanation:

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3 years ago

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Solve the inequality -2z-3<5. what is the value of z?

agasfer [191]

Hey there!

The answer to your question is z > -4

We can solve this like it is an equation, with one exception. When you divide or multiply by a negative number, in an inequality, you have to flip the inequality sign.

-2z - 3 < 5 add 3 to both sides

-2z < 8 divide both sides by -2, and flip the inequality sign

z > -4

Good luck! Hope it helps, and have a great day!

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3 years ago

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