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Molodets [167]
3 years ago
5

Please solve it and show work Vote you brainiest

Mathematics
1 answer:
vivado [14]3 years ago
5 0

Answer:

1200 N

Step-by-step explanation:

F = m x a

F = 300kg x 4m/s/s

F=1200 N

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The period 7 (in seconds) of a pendulum is given by T = 2pi√( L divided by 32) where L stands for the length (in feet) of the pe
oksano4ka [1.4K]

Answer:

128 feet

Step-by-step explanation:

t = 2\pi \sqrt{\frac{l}{32} }

So now we will substitute the values of T and π into the equation.

12.56 = 2 \times 3.14 \sqrt{ \frac{l}{32} }

12.56 = 6.28 \sqrt{ \frac{l}{32} }

Divide both sides by 6.28

2 =  \sqrt{ \frac{l}{32} }

Square both sides.

4 =  \frac{l}{32}

Multiply both sides by 32

l = 4 \times 32 \\ l = 128 \: feets

5 0
1 year ago
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Answer:

Hello There!!

Step-by-step explanation:

I think the answer is B. The probability of not drawing a club or jack from a deck of cards.

hope this helps,have a great day!!

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6 0
2 years ago
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blsea [12.9K]

Answer:

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Step-by-step explanation:

8 0
3 years ago
What is the percent of change from 28 to 70
Paul [167]
Your answer will be 150 percent
3 0
3 years ago
If I plan to run 400 yards and I have completed 80%, how many yards do I have left?
Dimas [21]

Answer:

You have 80 yards left to run.

Step-by-step explanation:

To solve this problem, we first must realize that if you have completed 80% of the run, that you have 20% left (this is because 100%-80% = 20%).  

Next, we must find 20% of 400 yards.  We must remember that in math, the word "of" represents multiplication.  We also know that 20% = 20/100 = 0.2.

To find 20% of 400 yards, we can perform the following operation:

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Therefore, you have 80 yards left.

Hope this helps!

7 0
3 years ago
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