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3 years ago

If 1 1/2 cups od something fills 2/3 of a container how many cups fill the container

1 answer:

8 0

1 1/2 divided by 1/2 = 3
So each cup would be 3
So therefore you would multiply by 3 I believe idk and then you will get 9
So 9 cups would fill the container

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3 years ago

In triangle abc, cos A= -0.6. Find A and Tan A

Tresset [83]

Answer:

Part 1) $A=126.87^o$

Part 2) $tan(A)=-\frac{4}{3}$

Step-by-step explanation:

we have

$cos(A)=-0.6$

The cos(A) is negative, that means that the angle A in the triangle ABC is an obtuse angle and the value of the sin(A) is positive

The angle A lie on the II Quadrant

step 1

Find the measure of angle A

$cos(A)=-0.6$

using a calculator

$A=cos^{-1}(-0.6)=126.87^o$

step 2

Find the sin(A)

we know that

$sin^2(A)+cos^2(A)=1$

substitute the value of cos(A)

$sin^2(A)+(-0.6)^2=1$

$sin^2(A)=1-0.36$

$sin^2(A)=0.64$

$sin(A)=0.8$

step 3

Find tan(A)

we know that

$tan(A)=\frac{sin(A)}{cos(A)}$

substitute the values

$tan(A)=\frac{0.8}{-0.6}$

Simplify

$tan(A)=-\frac{4}{3}$

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2 years ago

4) Find the volume of the pyramid.

Ahat [919]

Answer:

672

Step-by-step explanation:

12 * 12 = 144

144* 14 = 2016

2016 / 3 = 672.

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2 years ago

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Answer:

I think it 1188mm but not that sure if someone can double make sure

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3 years ago

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