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yan [13]
4 years ago
15

Rewrite as a cube: 64; −216; 0.008; 1/64; 4 17/27

Mathematics
1 answer:
alukav5142 [94]4 years ago
4 0

64 = 4³

-216 = (-6)³

.008 = 0.2³ . . . . . . 1000 = 10³, 8 = 2³. This is 8/1000, so the cube of 2/10

1/64 = (1/4)³ . . . . . . the inverse of the first number

4 17/27 = 125/27 = (5/3)³

_____

You can see that it would be helpful to have memorized the cubes of small integers.

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If $20.18 Pesos is equal to $1 US dollar, tell me how much money Mr. P would have left if he had $100 US Dollars but spent $918
frozen [14]

Answer:

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7 0
3 years ago
What is the answer to (-3x) + x
Dafna11 [192]
I'm pretty sure it's -4x. 
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3 years ago
For each rectangle below, write a linear equation that represents the area y of the rectangle. Solve this system of two linear e
Hatshy [7]

(5,24)

  • The two areas are the same.

  • To find the area, we multiply the side lengths. Y=area

Rectangle 1: side lengths 4 and (x+1)

y=4(x+1)= 4x+4

Rectangle 2: side lengths 3 and (2x-2)

y=3(2x-2)= 6x-6

  • Since the two areas are same, we can conclude that

4x+4=6x-6

  • Now, simplify.

-2x=-10, x=5

  • Since x is 5, we can plug it into the equations to find y.

Option 1 with rectangle 1: y=4(5)+4, y=24

Option 2 with rectangle 2: y=6(5)-5, y=24

I graphed the linear equation on desmos.

5 0
3 years ago
What is the positive solution of x square minus 36 equals 5x
777dan777 [17]
Answer:

<span>⇒x=9</span> (positive solution)

Explanation:

<span><span>x2</span>−36=5x</span>

<span>→<span>x2</span>−36−5x=0</span>

Factor the expression:

We get:

<span><span>(x−9)</span><span>(x+4)</span>=0</span>

First solution:

<span>⇒<span>(x−9)</span>=<span>0<span>x+4</span></span></span>

<span>⇒<span>(x−9)</span>=0</span>

<span>⇒x=<span>9</span></span>

3 0
3 years ago
True or false:
BaLLatris [955]
True. They do not share a point or side.
7 0
3 years ago
Read 2 more answers
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