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balu736 [363]
3 years ago
15

A cyclist rides his bike at a speed of 21miles per hour. What is this speed in miles per minute? How many miles will the cyclist

travel in 10 minutes?
Mathematics
1 answer:
AveGali [126]3 years ago
7 0

Answer:

.35 miles per minute

3.5 miles in 10 minutes

Step-by-step explanation:

21 ÷ 60= .35

.35 × 10 = 3.5

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If sina4/5 find cosa<br>​
DerKrebs [107]

Answer:

cosa = 3/5

Step-by-step explanation:

Use Trignometrical identity cosa =  √ 1 − sin ^2a

cos a =  √ 1 − 16 /25  =  √ 9 /25  =  3 /5

4 0
3 years ago
a skydiver jumps out from the plane at 10,000 feet above the ground. the skydiver decends at a rate of 175 feet per seconds. how
nikitadnepr [17]

Answer:

5625 feet

I hope it's helps you

5 0
3 years ago
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D. What is the approximate cost of siding that will be needed to cover the outside of the
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You would need 3622 ft to cover the outside. There’s no price per square foot of siding (or it’s not shown) so there’s no way to find it.
4 0
3 years ago
How are equivalent fractions used in writing a sum of two like fractions in simplest form
Mekhanik [1.2K]
If you have two equivalent fraction and you want to add them it depends on if they have the same denominator if they don't you find the common denominator then how much it can go in the denominator you times it by the numerator and if then answer that you get can be reduced you reduce it.
7 0
3 years ago
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Help please thank you!! :)
tankabanditka [31]

Answer:

Area of circle: 1662.57 cm

Circumference of circle: 144.57 cm

Step-by-step explanation:

Formula of area of circle:

pi x r2 or radius x radius

So, it's 22/7 x 23 x 23 = 1662.571429

Formula of circumference of circle:

2 x pi x radius OR

pi x diameter

Let's use the second method, to find diameter it is radius x 2 = 46

So,

46 x 22/7 = 144.5714286

4 0
3 years ago
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