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sesenic [268]
3 years ago
10

What is 37.09 in expanded form

Mathematics
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 :)) ?
4 0
3 years ago
This is hard help is needed
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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
8 0
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

8 0
3 years ago
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