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sertanlavr [38]
3 years ago
15

The diameter of a circle is 4 yards. What is the circle's circumference? Use 3.14

Mathematics
2 answers:
UkoKoshka [18]3 years ago
7 0
12.57 because the radius is two
inessss [21]3 years ago
5 0

Answer:

If the diameter of a circle is 4 yards, then the circumference would be 12.56 yards.

Step-by-step explanation:

C = 3.14 x 4(diameter) = 12.56

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10. A parasailor is attached to a boat with a rope 80 feet long. The angle of elevation
Gwar [14]

Answer:

The parasailor height is 47ft

Step-by-step explanation:

We can think of the problem as a right triangle, the string would be the hypotenuse and the height of the parasailor would be a leg.

well to start we have to know the relationship between angles, legs and the hypotenuse

α = 36°

a: adjacent

o: opposite  = ?

h: hypotenuse  = 80ft

sin α = o/h

cos α= a/h

tan α = o/a

we see that it has (angle, hypotenuse, opposite)

is the sine

sin α = o/h

sin 36° = o/80

sin 36° * 80 = o

47.02 = o

if we round to the nearest tenth

47.02 = 47.0

The parasailor height is 47ft

6 0
3 years ago
What is the perimeter of a this house
Vladimir [108]
Too blurry bud. Maybe try taking it straight from a school site or using a better camera if you can. I can't help you until then.
7 0
3 years ago
Help me out thank you, i rlly need help !!
Arturiano [62]

Answer:

7.7km

Step-by-step explanation:

6 0
3 years ago
Two angle are supplementary angle A has a measure of 3x+12 and angle B has a measure of 4x+28, what is the measure of each angle
RideAnS [48]

Answer:

A measures 72 and B measures 108

Step-by-step explanation:

If the angles are supplementary, that means that they add up to equal 180.  3x + 12 + 4x + 28 = 180.  Doing some algebra there gives you that 7x = 140 and x = 20.  Sub in 20 to angle A to get 3(20) + 12 = 72, and sub in 20 to angle B to get 4(20) + 28 = 108.  And of course, 108 + 72 = 180.

5 0
3 years ago
Convert 332 meters per second to centimeters per second
Morgarella [4.7K]

Answer:

332 meters per second = 33200 centimeters per second

8 0
3 years ago
Read 2 more answers
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