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kondor19780726 [428]
2 years ago
7

Which of the following makes sense as an answer to 8.9 *7.15

Mathematics
1 answer:
V125BC [204]2 years ago
5 0

Answer:

so whats the answer

Step-by-step explanation:

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Heng was trying to factor 10 x 2 + 5 x 10x 2 +5x10, x, squared, plus, 5, x. She found that the greatest common factor of these t
Molodets [167]

Full question:

Heng was trying to factor 10x²+5x. She found that the greatest common factor of these terms was 5x and made an area model: What is the width of Heng's area model?

Answer:

The width of the area model is 2x + 1

Step-by-step explanation:

Given

Expression: 10x² + 5x

Factor: 5x

Required

Width of the Area Model

To solve this, I'll assume the area model is Length * Width

Provided that we're to solve for the width of the model.

This implies that; Length = 5x

Area = Length * Width

And

Area = 10x² + 5x

Equate these two

Length * Width = 10x² + 5x

Factorize express on the right hand side

Length * Width = 5x(2x + 1)

Substitute 5x for Length

5x * Width = 5x(2x + 1)

Divide both sides by 5x

Width = 2x + 1

Hence, the width of the area model is 2x + 1

3 0
3 years ago
Olivia and Camille went clothes shopping. Camille spent $19.40 less than twice what Olivia spent. In total, they spent $272.35.
nydimaria [60]

if Camille spent 19.40$ LESS than DOUBLE what Olivia spent then a rough estimate already can be Olivia spent 100 and Camille spent 172 but to find this out we have to add 19.40 onto 272.35 = 291.75 then we now that 291.75 is thrice what Olivia spent so if we third it we know what Olivia spent so 291.75/3 = 97.25 leaving 194.50 then if we minus 19.40 off 194.50 we get 175.10 so:

Camille spent: 175.10 and

Olivia Spent: 97.25

4 0
3 years ago
My maths teacher set me this as work. And never told me what to do
Sergeu [11.5K]
<h3>Area of shape P = 12 square cm</h3>

Explanation:

Shape P is a triangle with the base of 4 units across the horizontal portion up top.

The height of the triangle is 6 units. Count the spaces down the middle of the triangle and you should get 6 spaces.

Area = base*height/2

Area = 4*6/2

Area = 24/2

Area = 12 square cm.

4 0
2 years ago
PLEASE SOME MATH HELP PLEASE................
Gnoma [55]
The measurement for The measurement for arc AC is 99.8
6 0
3 years ago
Factorise y^3 - 8y^2 + y-8 ​
Dima020 [189]

Answer:

(y-8)(y^2+1)

Step-by-step explanation:

y^3 - 8y^2 + y-8

= (y-8)(y^2+1)

7 0
2 years ago
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