Question

please answer these five attached questions ! i will give you 50 points !
(10 for each question)

Answer 1

Answer1.

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7 failure=3success

1 failure=3/7 success

147 failure=(3/7)×147 success.

147 failure=3(21) success

147 failure=63 success

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Answer 2.


Area of a circle=16π

If radius is r then....

πr^2 = 16π

or r^2=16

or r=√16=4

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Answer 3.


perimeter of rectangle =2(length+width)

26=2(6+width)

13=6+width
width=7.


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Answer 4.


By Pythagoras law..

x^2=5^2-2^2
x^2=25-4=21
x=+-√21

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Answer 5.

Area of triangle=1/2base×height
=1/2(3)(6)
=3×3
=9

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Answer 2

write the question mark it