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Murljashka [212]
3 years ago
8

Find the difference (x^2+3y-3)-(-2x^2+3y-1)

Mathematics
2 answers:
Sedbober [7]3 years ago
8 0
The answer is 3x^2 - 2.

x^2+3y-3+2x^2-3y+1

Add the like terms together, you get 3x^2 - 2

Alexeev081 [22]3 years ago
8 0
X^2+3y-3+2x^2-3y+1

3x^2-2
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Answer:

39

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If 12 1/2% of a sum of money is $40, what is the total sum of money?
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Jennifer is playing with a die that has six faces. What is the likelihood that she will roll a four?
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3 years ago
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4-3x2 + x2 + 5x – 7)
kompoz [17]

Answer:

7x - 9

Step-by-step explanation:

1: Multiply the numbers

4 - 3 x 2 + 2x + 5x - 7

4 - 6 + 2x + 5x - 7

2: Add the numbers

4 - 6 + 2x + 5x - 7

-9 + 2x + 5x

3: Combine like terms

-9 + 2x + 5x

-9 + 7x

4: Rearange terms

-9 + 7x

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Solution

7x - 9

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4 0
3 years ago
A rectangular garden has a walk around it of width x. The garden is 20 ft by 15 ft. Write a function representing the combined w
kodGreya [7K]

Answer: A(x) = 15 ft + 2x

 

EXPLANATION

 

Given,

The dimension of the rectangular garden is 20 ft by 15 ft.

Dimension of a rectangle is written as Length by Width

This implies that,

Length of the garden = 20 ft

Width of the garden = 15 ft

 

The garden has a walk around it of width x.

The combined width of the garden = Width of garden + 2x

[we are adding twice the width of the walk because it is around the garden (this means it will add to the width of the garden on both the left and right sides)]

 

Combined width of the garden, A(x) = Width of garden + 2x

Since width of the garden = 15 ft

A(x) = 15 ft + 2x

5 0
3 years ago
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