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ioda
3 years ago
13

What expression is equivalent to 8p^3+23

Mathematics
1 answer:
garri49 [273]3 years ago
7 0

Answer:

Step-by-step explanation:

I don't know what your choices were, but

8p^2 + 23 = 8p^3 + 27 - 4

= ((2p)^3 + 3^3) - 4

= (2p+3)(4p^2-6p + 9) - 4

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Is 2/7 a proportional expression
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Answer:

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A proportion is an equation saying two ratios are equal to each other.

One ratio is not a proportion.

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  2/7 = peanuts/popcorn . . . is a proportional expression

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2 years ago
Lucas has a 15 ft ladder that he placed against a wall.
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The ladder will go 6 feet up.

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3 years ago
What is the volume of a box with fractions 5/3 1/4 and 3/2
Andru [333]
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17. The perimeter of each face of a Rubik's cube is
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7 0
3 years ago
The sum of the digits of a two-digit number is 8. If the digits are interchanged ,new number is 10 more than double the original
vova2212 [387]

Answer:

Original number 26.

Step-by-step explanation:

xy - two-digit number

1) x + y = 8

2) Original two-digit number can be written as

10*x + y

3) If the digits interchanged yx,

then the new number can be written as

10*y + x

4)  Double the original number is

2*(10*x + y)

5) New number is 10 more than double the original number

(10*y + x) - (2*(10*x + y)) = 10

6) Now we have the system of 2 equations:

x + y = 8

(10*y + x) - (2*(10*x + y)) = 10 -----> 10y + x - (20x + 2y) = 10 ---> 8y - 19x = 10

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Original number 26.

Check:

Original number 26.

New number 62.

Double of the original number = 2*26= 52.

New number is 10 more than double the original number :

62 - 52 = 10 True

6 0
3 years ago
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