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xxTIMURxx [149]
3 years ago
13

The volume of a box is 400in3. if the height is 10in and the length is 8in, what is the width of the box (volume=l•w•h)

Mathematics
1 answer:
tankabanditka [31]3 years ago
6 0
10•8=80
so something times 80 will equal 400
80•5=400
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Hey, I think an image is needed to answer this question.
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3 years ago
Emily ran her first lap in 75 seconds she ran her second lap in 69 seconds using percentages how much better was her second lap
julsineya [31]

Answer:

Her second lap was <u>8%</u> better when compared to her first lap.

Step-by-step explanation:

Given:

Emily ran her first lap in 75 seconds she ran her second lap in 69 seconds.

Now, to find how much better was her second lap when compared to her first lap.

Emily ran her first lap in 75 seconds.

Emily ran her second lap in 69 seconds.

So, we get the difference in seconds:

75-69=6\ seconds.

<u><em>Thus, in her second lap she was 6 seconds better than first.</em></u>

Now, to get the percentage of her first lap better than second:

\frac{6}{75}\times 100

=0.08\times 100

=8\%.

Therefore, her second lap was 8% better when compared to her first lap.

7 0
3 years ago
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Dafna11 [192]

Answer:

x^4 -2x^2 -24

Step-by-step explanation:

(x^2+4)(x^2−6)

FOIL

First: x^2*x^2 = x^4

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Inner: x^2 *4 = 4x^2

Last: 4*-6 = -24

Add them together

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Combine like terms

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This is in standard form since the powers decrease

8 0
3 years ago
Read 2 more answers
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So for this question :

\cos(A)cosec(A) =  \cot(A)

l.s.h =  \cos(A)  \times  \frac{1}{ \sin(A) }

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7 0
3 years ago
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Answer:

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Step-by-step explanation:

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