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mr_godi [17]
3 years ago
6

An architect is sketching a doorway the top of which is part of a circle of radius 50 in the center angle is 100 how many inches

long will the arc be?
Mathematics
1 answer:
nikitadnepr [17]3 years ago
4 0

Answer:

The arc length is 87.5 inches.

Step-by-step explanation:

Given that,

Arc length = S = ?

Angle = theta = 100°  

Radius = r = 50 inches

The relation between the arc length (S), angle (theta) and radius (r) is calculated using S = r* \theta

However, the angle should be in radian.

To convert degrees into radian, we use: Degree * \frac{\pi}{180}

=> 100 * \frac{\pi}{180}

=> 1.75 radian

By putting values in the above relation, we get

S = 1.75*50

S = 87.5  inches

Therefore, the arc length is 87.5 inches.

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after sharing a pizza you and two friends divide the cost by three. You each owe $2.66. Explain how to round this to the nearest
Stolb23 [73]

Answer:

Hi so you have the answer          

Say you have 1.23 if the last digit is under 5 it would be 1.20                

Now say you have 3.47 if the last digit is above 5 it would be 3.50    

If it is something like 4.45  the 5 is the last digit so it would be 4.50

Step-by-step explanation:

um hope this helped :)

7 0
3 years ago
Heather finished the 12-kilometer race in 2 hours. If Heather kept her pace constant, what was her rate? A. 24 km/hr. B. 14 km/h
andriy [413]

Answer: D, 6km/hr.

Step-by-step explanation:

Heather can finish a 12-kilometer race in 2 hours, and now we have to find how many kilometers she can ride/run at in 1 hour.

How many hours can Heather run in 1 hour? To solve that, we can use the equation 12 ÷ 2.

12 ÷ 2 = 6.

Therefore, if Heather keeps her pace constant, then her rate will be 6km/hr, or D.

7 0
3 years ago
What is the value of the expression below when y= 8 and z= 9?
g100num [7]

Answer:

27

Step-by-step explanation:

5y-2z

1.plug in

5(8)-2(9)

2.solve

5(8)=45

3.solve

2(9)=18

4.subtract

45-18=27

___________________________

answered by aurinda

hope it helps:)

____________________________

4 0
2 years ago
the trucking company also needs to deliver 1 2/3 tons of oak logs and 1 7/12 tons of maple logs. Which load weighs more?
bekas [8.4K]
Oak logs
1 2/3= 20/12
1 7/12= 19/12
5 0
3 years ago
Chocolate chunk cookies are 59 cents each or $6.00 a dozen. How much are do you save by buying the cookies by the dozen?​
kifflom [539]

Answer:

$5

Step-by-step explanation:

8 0
3 years ago
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