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3 years ago

7

samantha drew a cube and the formula for the surface area of a cube is SA=6s to the second power,where s is one side of the cube

.what is the surface area,in square units,of the cube?

1 answer:

Oksi-84 [34.3K]3 years ago

4 0

Surface Area is 6s², but that is even given in the question. So this is either a very trivial question, or I'm missing something.

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Find the volume of a cylinder with radius 5.7cm and height 10 cm, correct to 1 decimal place

Veseljchak [2.6K]

$\textit{volume of a cylinder}\\\\ V=\pi r^2 h~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ r=5.7\\ h=10 \end{cases}\implies \begin{array}{llll} V=\pi (5.7)^2(10)\implies V=324.9\pi \\\\\\ V\approx 1020.7 \end{array}$

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2 years ago

Simplify the expression.<br> 2u + 8u - 5u

MAXImum [283]

Answer:

= 5u

Step-by-step explanation:

You combine like terms

( 2u+ 8u = 10u )

( -5u + 10 u =5u)

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3 years ago

Which expression is equivalent to r^m ÷ r^n? a. r^m − ^n b. r^m ^n c. r^m ⋅ ^n d. r^m ÷ ^n

Murljashka [212]

$r^m \div r^n= r^{m-n}$

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3 years ago

Find the H.C.F of x² - 3x ,x² - 9

krek1111 [17]

X^2-3x = x(x-3)
x^2-9 = x^2 - 3^2 = (x-3)(x+3)
HCF = x-3

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3 years ago

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Use the drop-down menus to choose steps in order to correctly solve<br> 5m – 8 = 3m + 8 for m.

olga nikolaevna [1]

5m - 3m = 8 + 8
2m = 16
m = 8

3 0

3 years ago

Read 2 more answers