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IgorLugansk [536]
2 years ago
9

Question 9 ONLY!!! Please show work!!

Mathematics
1 answer:
Rufina [12.5K]2 years ago
6 0
<h2>$40,000</h2>

Step-by-step explanation:

Andrew paid 30% in taxes, which means he has 70% remaining

30% Cash Prize + 70% Cash Prize = 100% Cash Prize

If C = Original Cash Price

Remaining Cash = 70% x C = $28,000

C = $28,000 / 70% = 28000/0.7 = $40,000

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Children play a form of hopscotch called jumby. the pattern for the game is as given below.
zaharov [31]

Answer:

7t^2 + 21t

Step-by-step explanation:

You have 7 tiles of each t by t+3.

One tile has an area of

t * (t+3) = t^2 + 3t

So in total the area is

7* (t^2 + 3t)

7t^2 + 21t

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3 years ago
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4 and 1/12 + 5 and 1/6 + 2 and 1/4
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3 years ago
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Step-by-step explanation:

3 0
3 years ago
Which of the following equations have exactly
Anestetic [448]

Answer:

<em>-5x + 12 = –12x – 12</em>

<em>-5x + 12 = 5x + 12</em>

<em>-5x + 12 = 5x – 5</em>

Step-by-step explanation:

<u>First degree equations</u>

A first degree equation has the form

ax + b = 0

There are some special cases where the equation can have one, infinitely many or no solution

If a\neq 0, the equation has exactly one solution

If a=0 and b=0 the equation has infinitely many solutions, because it doesn't matter the value of x, it will always be true that 0=0

If a=0 and b\neq 0 the equation has no solution, because it will be equivalent to b=0 and we are saying it's not true. No matter what x is, it's a false statement.

We have been given some equations, we only need to put them in standard form

-5x + 12 = –12x – 12

Rearranging

7x + 24 = 0

It has exactly one solution because a is not zero

.......................

-5x + 12 = 5x + 12

Rearranging

-10x + 0 = 0

It has exactly one solution because a is not zero

.......................

-5x + 12 = 5x – 5

Rearranging

-10x + 17 = 0

It has exactly one solution because a is not zero

.......................

-5x + 12 = -5x – 12

Rearranging

0x + 24 = 0

It has no solution, no matter what the value of x is, it's impossible that 24=0

Answer: These are the equations with exactly one solution

-5x + 12 = –12x – 12

-5x + 12 = 5x + 12

-5x + 12 = 5x – 5

6 0
3 years ago
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