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nydimaria [60]
3 years ago
14

How would the expression x^2+27 be rewritten using sum of cubes?

Mathematics
1 answer:
nydimaria [60]3 years ago
6 0
Assuming the square is not a typo, one can write


x^2+27=(x^{2/3})^3+3^3=(x^{2/3}+3)\bigg((x^{2/3})^2-3x^{2/3}+9\bigg)

=(x^{2/3}+3)\bigg(x^{4/3}-3x^{2/3}+9\bigg)
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Pls help ASAP!! Urgent
Mama L [17]

A= 1/2Bh

A= 1/2 (10.2 x 8)

A= 1/2 (81.6)

A=81.6 / 2

A= 40.8


5 0
3 years ago
3 packs of soda cost $10 less than 5 packs of soda. Write and equation that models this, and solve.
zysi [14]
<span>Cost 1 pack = x
3x + 10 = 5x
2x = 10
x = 5
1 pack cost $5
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8 0
3 years ago
Help me plz, explain it
Darya [45]

The perimeter of a rectangle is found by multiplying the length by 2 and the width by 2 and adding them together.

P = 2L + 2W

Filling in the information given we can find the width:

16.8 = 2(3.6) + 2W

16.8 = 7.2 + 2W

2w = 16.8 - 7.2

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w = 9.6 / 2

w = 4.8 in.

6 0
3 years ago
Read 2 more answers
Work out the length x.<br> 4.5 cm<br> 11 cm
Effectus [21]

Answer:

12.3

Step-by-step explanation:

A^2 + B^2 = C^2

11^2 + 4.5^2 = C^2

132 + 20.25 = C^2

152.25 = C^2

Square root of 152.25 = 12.3

5 0
3 years ago
A group of people were asked if they had run a red light in the last year. 150 responded "yes", and 185 responded "no". Find the
Softa [21]

Answer:

150/335, or 30/67

Step-by-step explanation:

Probability is expressed as the part against the whole (a fraction). All you have to do is divide how many people ran red lights by the total...and you're done!

Have a great day!

8 0
3 years ago
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