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2 years ago

Help me please please help ASAP ASAP

Mathematics

1 answer:

olya-2409 [2.1K]2 years ago

6 0

Answer:

113.9 ft^3

Step-by-step explanation:

V=A(b) h/3

This means that the volume can be found by taking the area of the base times the height (hieght divided by 3)

hope this helps!

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The temperature in an oven changes from 350 degrees to 362 degrees. What is the percent increase in temperature, to the nearest

Aleksandr-060686 [28]

Answer:

it's 3.4%

Step-by-step explanation:

You take the difference of 362 and 350 (which is 12) and divide it by the starting number (350) getting you 3.4

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2 years ago

jack got the expression 7x+1 and then wrote his answer as 1+7x is his answer an equivalment expression how do you know

Ugo [173]

The equation was just flipped around, it will equal the same no matter what.

I hope this helps!! :)

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1 year ago

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ANTONII [103]

Answer:

Step-by-step explanation:

Hi!

An exponent is the same thing as just multiplying the expression by itself the number of times the exponent says. So we need to multiply 1/3 by itself three times.

1/3 * 1/3 * 1/3 = 1/27

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3 years ago

Read 2 more answers

Find an exact value.<br><br> <img src="https://tex.z-dn.net/?f=cos%28-%20%5Cfrac%7B%20%5C77%20%5Cpi%20%20%20%20%7D%7B12%7D%29%20

xxTIMURxx [149]

$\cos\left(-\dfrac{7\pi}{12}\right)=\cos\dfrac{7\pi}{12}$

Recall that

$\cos^2x=\dfrac{1+\cos2x}2$

Let $x=\dfrac{7\pi}{12}$ , so that

$\cos^2\dfrac{7\pi}{12}=\dfrac{1+\cos\dfrac{7\pi}6}2=\dfrac{1-\dfrac{\sqrt3}2}2=\dfrac{2-\sqrt3}4$
$\cos\dfrac{7\pi}{12}=\pm\sqrt{\dfrac{2-\sqrt3}4}=\pm\dfrac{\sqrt{2-\sqrt3}}2$

Since the angle $\dfrac{7\pi}{12}$ lies in the second quadrant, you know that the cosine must be negative, so

$\cos\dfrac{7\pi}{12}=-\dfrac{\sqrt{2-\sqrt3}}2$

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2 years ago

#12, please help answer the question in the picture

Ilya [14]

Answer:

Step-by-step explanation:

hope this helps

6 0

2 years ago