3 years ago

Choose all that apply!!!

Mathematics

1 answer:

masha68 [24]3 years ago

5 0

Answer:

can't see the problem my guy

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Simplify the expression by using a double-angle formula. 2 sin 31°cos 31°

qwelly [4]

The double angle formula for the sine is

$\sin(2x) = 2\sin(x)\cos(x)$

The right hand side is exactly your expression, where $x = 31^\circ$

So, rewriting the expression from right to left, we have

$2\sin(31^\circ)\cos(31^\circ) = \sin(2\cdot 31^\circ) = \sin(61^\circ)$

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3 years ago

(b) Eric removed 72 fish from his pond over a period of 9 days. He removed the same number of

Amanda [17]

Answer:

-8

Step-by-step explanation:

72 ÷ 9 = 8

The fish are being taken out, so negative.

I hope this helps!

pls ❤ and mark brainliest pls!

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2 years ago

A triangular prism. The base of a triangular side is shaded. What are the possible shapes of cross sections of this figure? A cr

Alexxandr [17]

Answer:

the first one is triangle and the second one is rectangle

Step-by-step explanation:

i just did it on edge

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3 years ago

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Frank had 42 rocks that he wanted to share with his friends. If he gave each friend the same number of rocks(and kept the same n

shutvik [7]

Answer:6. 42 split 7 ways is 6

Step-by-step explanation:

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2 years ago

Someone please help me

tester [92]

1) The scale factor for the dilation is 2/3.

2) The polygon became smaller after the dilation because you are multiplying by a scale factor less than 1.

3) The ratio of the areas is 2/5.

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3 years ago