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Bumek [7]
3 years ago
9

Which is equal to x^3-8

Mathematics
1 answer:
Aloiza [94]3 years ago
4 0

Answer:

(x-2)(x^2+2x+4)

Step-by-step explanation:

x^3-8

x^3-2^3, Now using the base equation for the difference of cubes

(x-y) (x+xy+y^2), y is equal to -2 in this instance.

(x-2)(x+2x+4)

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4x=37<br><br> a) 3/11<br> b) 3/28<br> c) 7/7<br> d) 12/7
Anettt [7]

4x = 37

divide each side by 4

x = 37/4

4 goes into 37 9 times with 1 left over

x = 9 1/4


Either the problem is incorrect or the answer choices are incorrect

5 0
3 years ago
Read 2 more answers
How can you write an equivalent expression using a decimal
svp [43]

Answer:

The last one 0.35(10)

Step-by-step explanation:

okay 35/100

decimals are set up like this

5.432

The 5 is in the wholes

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3 in the hundredth

2 in the thousandths

so since is it out of 100 you put the number in the hundredth

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5 0
3 years ago
Which expressions are equivalent to -56z+28−56z+28minus, 56, z, plus, 28?
bearhunter [10]

Answer:

B) (-1.4z+0.7)\times 40

D) (8z-4)(-7)

Step-by-step explanation:

Given expression:

-56z+28

To find the equivalent expression.

We will evaluate each expression in the given choices to check the equivalence.

A) \frac{1}{2}(-28x+14)

Using distribution.

⇒ \frac{-28z}{2}+\frac{14}{2}

⇒ -14z+7

B) (-1.4z+0.7)\times 40

Using distribution.

⇒ (-1.4z\times 40)+(0.7\times 40)

⇒ -56z+28

C) (14-7z).(-4)

Using distribution.

⇒ (14.(-4))+(-7z.(-4))

⇒ -56+28z

D) (8z-4)(-7)

Using distribution.

⇒ (8z(-7))+(-4(-7))

⇒ -56z+28

E) -2(-28z-14)

Using distribution.

⇒ (-2(-28z))+(-2(-14))

⇒ 56z+28

From the choices evaluated, we find that the expressions in choices B and D are equivalent

5 0
3 years ago
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Jill had a twenty meter rope. she cut it into eight equal pieces. how long was each piece?
NARA [144]
Its 2.5 20/8 equals this plz mark brainlest
3 0
4 years ago
When evaluating a survey, Jody saw that 54% of the respondents think that the minimum age of those awarded a driver's license sh
Kay [80]
May be less should be choice "C"
5 0
4 years ago
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