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3 years ago

10

What is 37.09 in expanded form

1 answer:

Anit [1.1K]3 years ago

8 0

Thirty-seven point nine hundredths hope this helps :))

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WHAT IS X³-27 SIMPLIFIED

Eduardwww [97]

Answer:

<u>It</u><u> </u><u>is</u><u> </u><u>(</u><u>x</u><u> </u><u>-</u><u> </u><u>3</u><u>)</u><u>³</u><u> </u><u>-</u><u> </u><u>9</u><u>x</u><u>(</u><u>3</u><u> </u><u>-</u><u> </u><u>x</u><u>)</u>

Step-by-step explanation:

Express 27 in terms of cubes, 27 = 3³:

$= {x}^{3} - {3}^{3}$

From trinomial expansion:

${(x - y)}^{3} = (x - y)(x - y)(x - y) \\$

open first two brackets to get a quadratic equation:

${(x - y)}^{3} = ( {x}^{2} - 2xy + {y}^{2} )(x - y)$

expand further:

${(x - y)}^{3} = {x}^{3} - y {x}^{2} - 2y {x}^{2} + 2x {y}^{2} + x {y}^{2} - {y}^{3} \\ {(x - y)}^{3} = {x}^{3} - {y}^{3} + 3x {y}^{2} - 3y {x}^{2} \\ {(x - y)}^{3} = {x}^{3} - {y}^{3} + 3xy(y - x) \\ \\ { \boxed{( {x}^{3} - {y}^{3} ) = {(x - y)}^{3} - 3xy(y - x)}}$

take y to be 3, then substitute:

$( {x}^{3} - 3^3) = {(x - 3)}^{3} - 9x(3 - x)$

5 0

3 years ago

Select all equations that could be used to find the measure of angle C, using the fact that the sum of all the angles in a trian

Semmy [17]

C = 180 - A - B

And

C = 180 - (A+B)

Hope I can help you :)
Brainliest answer :)) ?

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3 years ago

This is hard help is needed

SOVA2 [1]

You have to graph the first one so you would do total cost=1.25*lb

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3 years ago

30 slips of paper, numbered 1 to 5, are placed in a paper bag. One slip of paper is drawn at random. What is the probability of

Vadim26 [7]

The answer is 12/30, which simplified to 2/5

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3 years ago

What is the value of a <br><br> A. 27.5<br> B. 45<br> C. 50<br> D. 90

kiruha [24]

Answer:

Step-by-step explanation:

idk

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3 years ago

Read 2 more answers