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iren2701 [21]
2 years ago
6

( a-8) x b^3 Answer this

Mathematics
1 answer:
VARVARA [1.3K]2 years ago
5 0

Answer:

ab^3x - 8b^3x

Step-by-step explanation:

(a - 8)b^3x

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the original recipe calls for 2 pounds of pasta and serves 8 people. The party will have 40 people . how many pounds of pasta do
hichkok12 [17]

Answer:

10 pounds. Hope this helps!!!!

Step-by-step explanation:

If 2 pound serves 8 people you can express that as a ratio of 2:8 so to get 8 people to 40 you multiply by 5 so you must do the same for the amount of pasta so 2 multiplied  5 equals 10.  

7 0
3 years ago
I need help asap due tonight
riadik2000 [5.3K]

Answer:

4

Step-by-step explanation:

multiply 10 by w and 3

equation becomes 10w+30=70

subtract 30 by both sides

equation becomes 10w=40

divide both sides by 10

equation becomes w=4

your answer is 4!

7 0
3 years ago
Read 2 more answers
Suppose that y varies inversely with x, and y=4 when x=7. What is an equation for the inverse variation
balu736 [363]

Answer:

xy = 28

Step-by-step explanation:

The formula for inverse variation is

xy =k

If y = 4 and x = 7

4*7 = k

28 = k

The equation is xy = 28

8 0
3 years ago
Add.
Dovator [93]

Answer:

6x²+4x

Step-by-step explanation:

The given expressions are 3x²- 4x-4 and 3x²+8x+4.

We need to add these two expressions.

3x²- 4x-4 + 3x²+8x+4 = 3x² + 3x² -4x+8x-4+4

= 6x²+4x

On adding the given expressions, we get the value as 6x²+4x. Hence, the sum of the given expressions is equal to 6x²+4x

4 0
3 years ago
To factor the quadratic expression x^2−8x−10 by completing the square, what value would be added? A. 64 B. 8 C. 16 D.-16
Elan Coil [88]

Answer:

C

Step-by-step explanation:

When completing the square, we essentially want to create a perfect square trinomial by adding a constant.

If we have the following expression:

x^2+bx

And we want to complete the square, we will need to divide the b-coefficient by half and then square it.

Thus, the added term should be:

(b/2)^2

In the given equation, we have:

(x^2-8x)-10

The b term here is 8. Therefore:

(8/2)^2\\=(4)^2\\=16

The value we would add would be 16.

The answer is C.

Further notes:

To complete the square, add 16 like mentioned earlier. However, we also need to subtract 16 to balance things out:

(x^2-8x)-10\\=(x^2-8x+16)-10-16\\

The expression inside the parentheses is now a perfect square trinomial. Factor it:

=((x)^2-2(4)(x)+(4)^2)-26\\=(x-4)^2-26

And we are done!

4 0
3 years ago
Read 2 more answers
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