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CaHeK987 [17]
4 years ago
13

How long is the arc subtended by an angle of 9π/5 radians on a circle of radius 30 cm?

Mathematics
1 answer:
Naily [24]4 years ago
7 0

Answer:

54π

Step-by-step explanation:

54π is correct. (9π/5)(30)= 54π

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Troy is writing a book of short stories. It is his
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Answer:

91 short stories

Step-by-step explanation:

You just add 1 + 2 + 3 + 4 + 5 + 6... all the way to 13, and then at the end of 16 months, Troy still only wrote 91 stories since he only wrote them up until 13 months, and  then stopped afterwards.

3 0
3 years ago
15. Suppose a car gas tank holds 21 gallons of gas. On a trip it uses 2/3 of a tank of gas on a trip. Then it uses 1/3 of what i
Eduardwww [97]

Answer:

4 2/3 gallons of gas

Step-by-step explanation:

Step 1

Suppose a car gas tank holds 21 gallons of gas.

On a trip it uses 2/3 of a tank of gas on a trip.

= 2/3 × 21 gallons of gas

= 14 gallons of gas

Step 2

Then it uses 1/3 of what is left in the tank.

The number of gallons of gas left =

21 gallons of gas - 14 gallons of gas

= 7 gallons of gas

Hence, this is calculated as:

1/3 × 7 gallons of gas

= 2 1/3 gallons of gas

Step 3

How many gallons of gas are left in the tank?

This is calculated as:

7 gallons of gas - 2 1/3 gallons of gas

= 7/1 - 7/3

Lowest common denominator =

= 21 - 7/3

= 14/3

= 4 2/3 gallons of gas is left

Therefore, 4 2/3 gallons of gas is left.

5 0
3 years ago
A television broadcasting company wants to broadcast every game of a large
Alexeev081 [22]

Answer:

124

Step-by-step explanation:

64 • 1/2= 32

32•1/2=16

16•1/2=8

8•1/2=4

64+32+16+8+4

8 0
3 years ago
Read 2 more answers
What is the final transformation in the composition of transformations that maps pre-image ABCD to image A"B'C"D"?
tatyana61 [14]

Answer: c. a 270° rotation about point B'

5 0
3 years ago
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John has 8 coins, all of which are quarters and nickels. In all, they're worth $1.00. How many of each kind of coin does John ha
Nastasia [14]

Answer:

you will need 3 quarters and 5 nickel  

Step-by-step explanation:

3 quarters is 75     and 5 nickels is 25 =1.00

4 0
3 years ago
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