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FromTheMoon [43]
2 years ago
15

Plsssssssss help!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
ss7ja [257]2 years ago
4 0

Answer:

C) ∠LMO = 50°

Step-by-step explanation:

When you add the degrees of all the angles in a triangle, you get 180, so...

180 = 60 + 70 + x

180 - 60 - 70 = x

x = 50

PilotLPTM [1.2K]2 years ago
3 0

Answer:

C

Step-by-step explanation:

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Answer:

x = -1, x = 1

Step-by-step explanation:

Factor the equation. (It's a difference of squares, so we know the form will be (a-b)(a+b).)

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Test this by FOILing it out, if you're unsure. This is something it can be good to memorize!

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Step-by-step explanation:

Step 1:

The composite figure consists of a cone and a half-sphere on top.

We will have to calculate the volumes of the cone and the half-sphere separately and then add them to obtain the total volume.

Step 2:

The volume of a cone is determined by multiplying \frac{1}{3} with π, the square of the radius (r²) and height (h). Here we substitute π as 3.1415.

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The area of a half-sphere is half of a full sphere.

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