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Flura [38]
3 years ago
8

A runner passes the 12​-mi point after 2 hours and reaches the 15​-mi point 30 minutes later. Assuming a constant​ rate, find th

e speed of the runner.
Mathematics
1 answer:
Arturiano [62]3 years ago
8 0

Answer:

6 mph

Step-by-step explanation:

Difference in distance

= 15 - 12

= 3 mi

time taken

= 30 mins

= 1/2 hour

Speed

= 3 ÷ 1/2

= 6 mph

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Makovka662 [10]

Answer:

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15 -7 =8

45-10=35

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Sales tax is (1 point)
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6 0
3 years ago
Suppose A = {2,5,7,9,13, 25, 26).<br>(a) Find n(A).<br>n(A) =<br>(b) T/F: 7. A​
charle [14.2K]

Answer:

a)   n (A) = 7

Step-by-step explanation:

Here, set A =  {2,5,7,9,13, 25, 26)

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6 0
3 years ago
What is four and ninety two hundredths
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5 0
3 years ago
Read 2 more answers
The volume of clay used to build a cylindrical pillar with a height of 9 centimeters is 324π cubic centimeters. The area of the
stealth61 [152]
Area=height times base (for some prisms including cylinders)
vcylinder=hpir²
h=height
therefor pir²=base area
vcylinder=height times aeraofbase

 

given
h=9
v=324pi
324pi=9(basearea)
divide both sides by 9
36pi=areabase

the area of te base is 36pi square cm (put 36 in the blank since th pi is alredy there)
3 0
3 years ago
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