2 years ago

When you find the surface area of a cube, you ________ the length of the cube and multiply by 6.

Mathematics

1 answer:

ryzh [129]2 years ago

3 0

Answer:

A-square

Step-by-step explanation:

example:

sa=(4cm)^2x6

sa=16x6

sa=96

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3 years ago

4/7 of the children in a pool are girls. What is the ratio of girls to boys?

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3 years ago

Identify a pattern in the given list of numbers. Then use this pattern to find the next number.

Rom4ik [11]

Answer:

The given sequence is geometric sequence

In the given pattern we have next number is $a_5=\frac{1}{4}$

Step-by-step explanation:

Given numbers are 64,-16,4,-1

To identify the pattern of the given numbers :

Let $a_1=64$ , $a_2=-16$ , $a_3=4$ and $a_4=-1$

To find the next number that is $a_5$

common ratio $r=\frac{a_2}{a_1}$

$=\frac{-16}{64}$

$r=-\frac{1}{4}$

$r=\frac{a_3}{a_2}$

$=\frac{4}{-16}$

$r=-\frac{1}{4}$

Therefore the common ration is $r=-\frac{1}{4}$

Therefore the given sequence is geometric sequence

The nth term of the geometric sequence is $a_n=a_1r^{n-1}$

Now find the 5th term so put n=5 , $a_1=64andr=\frac{-1}{4}$ we have

$a_5=64(\frac{-1}{4})^{5-1}$

$=64(\frac{-1}{4})^{4}$

$=64(\frac{1}{4})^{4}$

$=64(\frac{1}{4}\times \frac{1}{4}\times \frac{1}{4}\times \frac{1}{4})$

$=\frac{1}{4}$

Therefore $a_5=\frac{1}{4}$

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3 years ago

When factoring to reveal the roots of the equation x² + 2x° - 9x- 18 = 0, which equations

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1 and 3 only answer is number 2

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3 years ago

What is the answer for number 12

GalinKa [24]

(3*4)+(1*7)/7*4 = 12+7/28 = 19/28

your answer is 19/28

4 0

2 years ago

Read 2 more answers