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natta225 [31]
3 years ago
5

Ashley ran from home to school in 10 minutes. What is her average speed, if the distance between her house and her school is 1.5

miles?
Mathematics
1 answer:
wel3 years ago
6 0

(.15 miles / 1 minute) * (60 minutes / 1 hour) = 9 miles / hour

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The circular blade on a saw has a diameter of 7.5 inches and rotates at 2400 revolutions per minute.
Archy [21]
For a:
    
       (2400*2*PI)/60(seconds) = 80 PI RAD/Sec

For b: 
   
        arc length s= radius r * central angle(in radians) 

                          = ((80*pi*7.5)/(2*pi)
                          =25


                          



4 0
3 years ago
Write square root of 64 - square root of -289 as a complex number in the form of a+bi
stellarik [79]

Answer:

\sqrt{64}-\sqrt{-289}

=8-17i

Step-by-step explanation:

\sqrt{64}=8 because 8(8)=64 and 8 is the positive square root of 64.

\sqrt{-289}=17i because 17i(17i)=289i^2=-289(-1)=-289.

\sqrt{64}-\sqrt{-289}

8-17i

8 0
3 years ago
Sean is getting balloons for his grandfather's birthday party. He wants each balloon string to be 9 feet long. At the party stor
atroni [7]

Answer:

198 yards

Step-by-step explanation:

Sean wants the sting of each balloon to be 9 feet, and he wants to get a total of 66 balloons.

The total length of stings required for 66 balloons would be;

total length of balloon strings = 66 x 9 feet

                                                 = 594 feet

But the string is sold by the yard at the store.

So that,

1 yard = 36 inches = 3 feet

x yard = 594 feet

Thus,

x = \frac{594}{3}

  = 198 yards

x = 198 yards

Therefore, the total length of string that Sean would need is 198 yards.

3 0
3 years ago
A deposited 7500 Dollars in a bank and received interest of 900 Dollars after one year. B received interest of 1440 Dollars afte
White raven [17]

Answer:

If the rate of interest is 12% than the answer is 12000

Step-by-step explanation:

If you like my answer than please mark me brainliest thanks

7 0
2 years ago
Is life really worth it
taurus [48]

Answer:

life is a precious gift of GOD like see these days conditions too much people are dying  life is our test it is worth whoever we wonder we are not birds,stones,mountains,trees they are also surviving and we are too we have not to survive we have to live our life there must be a difference between humans and animals i know life is brutal,tough and hard than why is it tough brutal and hard because it is a test a common life also passes and a man who serves hummanity his life also passes but a man serving hummanity is always remembered

"your life is your message to the world make it inspiring"

life is worth and too much previous

to die is easier than to life we have to live because  we love challanges

Step-by-step explanation:

i hope this will help you :)

7 0
3 years ago
Read 2 more answers
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