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Ber [7]
3 years ago
7

If mark has 3 friends help him paint his garage it will take 60 minutes how long will it take if he has 4 friends help him

Mathematics
1 answer:
olga2289 [7]3 years ago
4 0

Answer:

40 minutes

Step-by-step explanation:

hope this will help :)

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Answer:

Which polynomial is a monomial?

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Use the simple interest formula, I = prt, to find the simple interest:
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What is the exact value of sin 45° ?<br><br>enter your answer, as a simplified fraction.
Ne4ueva [31]

Look at the picture.

Use the Pythagorean theorem:

b^2=a^2+a^2\\\\b^2=2a^2\to b=\sqrt{2a^2}\\\\b=\sqrt{a^2}\cdot\sqrt2\\\\b=a\sqrt2

\sin\theta=\dfrac{opposite}{hypotenuse}\\\\\theta=45^o,\ opposite=a,\ hypotenuse=a\sqrt2

substitute

\sin45^o=\dfrac{a}{a\sqrt2}=\dfrac{1}{\sqrt2}\cdot\dfrac{\sqrt2}{\sqrt2}=\dfrac{\sqrt2}{2}

Answer: \sin45^o=\dfrac{\sqrt2}{2}

7 0
3 years ago
Can someone pleaseeee help if you’re correct I’ll give u brainlist
nadezda [96]

Answer:

4

Step-by-step explanation:

this is an equilateral triangle, meaning all sides and angles are the same

5 0
2 years ago
Describe some data that when graphed would represent a proportional relationship. Explain your reasoning
OLga [1]
The lines would go up and over at the same rate. They would have the same slope, like parallel lines.

Hope this helps!! :)
7 0
3 years ago
Read 2 more answers
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