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1 year ago

Easy points. see image below

Mathematics

1 answer:

tatuchka [14]1 year ago

4 0

Answer:

Given expression:

$\sf -(-(-3)) + 2 + |-7|$

Simplify following inside parenthesis

$\sf -3 + 2 + |-7|$

If following is |-a| then |-a| = a

$\sf -3 + 2 + 7$

Evaluate following

$\sf 6$

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What is the measure of angle B in the triangle?

Marat540 [252]

$180 - 120 = 60 \\ 60 - 16 = 44 \\ 44 \div 2 = 22$
x is 22
hope this helps

8 0

3 years ago

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What is the sum of any rational number and its opposite

Ulleksa [173]

The correct answer you would be looking for would be 0 because it is equal to anything.

Hope this helps :)

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3 years ago

A circle with area 100π has a sector with a central angle of 2/5π radians.

Snowcat [4.5K]

Answer:

20π square units

Step-by-step explanation:

The sector area is found using the proportion ...

sector area / circle area = sector angle / whole circle angle

Multiplying by "circle area", we get ...

sector area = (circle area)( sector angle / whole circle angle)

= (100π)(2/5π)/(2π)

= (100π)(1/5)

sector area = 20π

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2 years ago

If the Leaning Tower of Pisa (which is roughly cylindrical) has a height of 55 meters, radius of 8 meters, what is the volume?

valentinak56 [21]

Answer:

Option C. $V=3,520\pi\ m^3$

Step-by-step explanation:

we know that

The volume of a cylinder is equal to

$V=\pi r^{2} h$

we have

$r=8\ m$

$h=55/ m$

substitute

$V=\pi (8)^{2} (55)$

$V=3,520\pi\ m^3$

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2 years ago

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Can someone help me with this

Dmitrij [34]

Answer:

$\frac{1}{18}$

Step-by-step explanation:

So say there are x yellow cubes.

Yellow = x

Blue = 3x

Green = 15x

It doesn't say red so I'm going to assume there are none.

$\frac{x}{18x}=\frac{1}{18}$

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3 years ago