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Allushta [10]
3 years ago
13

A circle has a diameter of 4.5 inches what is the circumference​

Mathematics
1 answer:
ollegr [7]3 years ago
7 0

Answer:

c = 4.5π inches   exact answer

c = 14.13 inches   decimal approximation

Step-by-step explanation:

c = πd

c = 4.5π    exact answer

using 3.14 for π

c = 3.14 * 4.5

c = 14.13    decimal approximation

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Lesson 16
Goshia [24]

Answer:

546 ft³

Step-by-step explanation:

In the figure attached, the top view of the pool is shown. It can be decomposed into a trapezoid which height is 12 ft and which bases are 9 ft and 11 ft; and a rectangle which height is 1.5 ft and and it base is 11 ft.

Area of the trapezoid: (9 + 11)/2 * 12 = 120 ft²

Area of the rectangle: 1.5*11 = 16.5 ft²

Total area: 120 + 16.5 = 136.5 ft²

Volume of the pool: Total area * deep = 136.5 * 4 = 546 ft³

6 0
3 years ago
What is the answer and please show work
zhuklara [117]
#26 right?

35x + 140 = 1050
       -140      -140 
 
<u>35</u>x = <u> 910
</u>35        35

x = 26 weeks

7 0
3 years ago
If lin runs 21 laps at the same rate, how long does it take her 25.6 minutes How many laps per minute is that? __ laps
Alex Ar [27]

Answer: 0.82 laps per minute

Step-by-step explanation:

Lin is running 21 laps in 25.6 minutes.

To find out her speed in laps per minute, divide the distance she has ran by the time it took her to run it.

= Distance / time

= 21 / 25.6

= 0.82 laps per minute

6 0
3 years ago
Allison bought three pounds of strawberries for $19.20. What is the price, in dollars per ounce of strawberries?
aleksandr82 [10.1K]

Answer:

40 cents per ounce

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
The sum of seven interior angle measurements in an octagon equal 835º. What is the angle measurement of the 8th angle? (Hint: An
mart [117]

Answer: 104.375 (104 if you need it rounded)

Step-by-step explanation: So the question here is only asking for one angle, so you take the sum of all of the angles (835) and divide it by the total amount of sides (8). and you have your answer.

7 0
3 years ago
Read 2 more answers
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