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mart [117]
3 years ago
14

The radius of the wheel of a bicycle is 14 inches. What is the distance that the bicycle covers after ten rotations? Use

Mathematics
1 answer:
ivolga24 [154]3 years ago
6 0

Distance covered in 1 rotation = circumference of the wheel

                                                  = 2\pir

                                                  = 2 x \frac{22}{7} x 14

                                                  = 2 x 22 x 2

                                                  = 88 inches

Distance covered in 10 rotations = 88 x 10 = 880 inches

Therefore, the bike covers 880 inches after 10 rotations.

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1. Use the formula S(d)=√9.8d to calculate the estimated speed, in meters per second, of a tsunami if the disturbance occurred a
postnew [5]

Answer: 1. 210 meters per second .

2.  756  kilometers per hour.

Step-by-step explanation:

Given : The formula S(d)=\sqrt{9.8d} to calculate the estimated speed, in meters per second of a tsunami.

1. If the disturbance occurred at an ocean depth of 4,500 meters.

Then put d= 4500 in the above formula , we get

S(d)=\sqrt{9.8\times4500}

S(d)=\sqrt{44100}=\sqrt{21\times21\times10\times10}\\\\=\sqrt{210^2}=210

Hence, if the disturbance occurred at an ocean depth of 4,500 meters , the estimated speed would be 210 meters per second .

Also, A meter per second is equal to 3.6 kilometers per hour.

i.e. 1 meter per second = 3.6 kilometers per hour

Then by unitary method ,

210 meters per second  =3.6\times210 kilometers per hour

=756  kilometers per hour.

3 0
3 years ago
Algebra Vocab help? (25 points)
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I hope this helps :)
6 0
3 years ago
Write the first five terms of the arithmetic sequence. First term: -8 and common difference: -2
Hunter-Best [27]

Answer:

-8,-10,-12,-14,-16

Step-by-step explanation:

Just take -8 and add -2 to find each term

7 0
2 years ago
(4/3a - 3c - 5b) + (-a-2b+4c)
Darina [25.2K]

━━━━━━━☆☆━━━━━━━

▹ Answer

<em>1/3a + c - 7b</em>

▹ Step-by-Step Explanation

(4/3a - 3c - 5b) + (-a - 2b + 4c)

<u>Remove the parentheses</u>

(4/3a - 3c - 5b) + (-a - 2b + 4c)

<u>Rewrite</u>

4/3a - 3c - 5b - a - 2b + 4c

<u>Calculate</u>

1/3a - 3c - 5b - 2b + 4c

<u>Final Answer</u>

1/3a + c - 7b

Hope this helps!

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Brainliest is greatly appreciated!

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5 0
3 years ago
Find the area of a circle with a radius of 70 centimetres
Alla [95]

Answer:

15393.8cm sorry if im wrong

7 0
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