MATHEMATICS HIGH SCHOOL

Find the area of a circle with a diameter of 12 inches. Use 3.14 for pi.37.68 in2
113.04 in2
339.12 in2
452.16 in2

Answers

Answer 1
Answer:

Answer: 113.04 inch²

Step-by-step explanation:   Since area of circle=pi×r²

where r=radius of circle

 and radius=diameter/2

hence r=12/2=6 inches

hence    Area  =pi×6²

               Area  =3.14×36

                Area  =113.04 inch²
Answer 2
Answer: Aloha there! :) The answer to your question is 113.04 sq inches.


Hope I helped! =D

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Find the number of terms in the expression 2x+5-x

Answers

Answer:

3 terms.

Step-by-step explanation:

A term can include but not limited too:

- A single number: (examples: 5)

- A single variable: (examples: x, -x)

- The two combined: (examples: 2x)

-Terms with powers or roots: (examples: 2x² , x√3)

~
This deals with simplification or other simple results. • canceling out : x+5

A computer downloaded 20 kilobytes of data in 4 seconds. If it downloads data at a constant speed, it can download ______ kilobytes of data in 15 seconds.Numerical Answers Expected!

Answers

Hello,

let's say v the speed of transmission
v=20kB/4s=5 kB/s

Data downloaded =v*t=5kB/s*15s= 75 kB*s/s= 75 kB.

Answer:

75 kb

Step-by-step explanation:

A is the point with coordinates (4,6)b is the point with coordinates (d,21)
the graident of line AB is 3
what is the value of d

Answers

Answer:

d = 9

Step-by-step explanation:

Calculate the slope of ab then equate to 3.

Calculate the slope m using the slope formula

m = (y_(2)-y_(1) )/(x_(2)-x_(1) )

with (x₁, y₁ ) = (4, 6) and (x₂, y₂ ) = (d, 21)

m = (21-6)/(d-4) = (15)/(d-4) = 3 ( multiply both sides by d - 4 )

3(d - 4) = 15 ( divide both sides by 3 )

d - 4 = 5 ( add 4 to both sides )

d = 9

Reduce the following fraction to lowest terms 7/14: 1/7 1/2 7/14

Answers

Answer:

  1/2

Step-by-step explanation:

(7)/(14)=(1\cdot 7)/(2\cdot 7)=(1)/(2)\cdot(7)/(7)\n\n=(1)/(2)\cdot 1=(1)/(2)

When reducing fractions, you're trying to answer the question, "do the numerator and denominator have any common factors that can be canceled?" Knowing your multiplication tables helps answer this question.

Answer:

1/2

Step-by-step explanation:

                                7

7/14 is identical to ---------

                                2(7)

This can be reduced to 1/2 by cancelling out the 7s.

If I had a final exam that is worth 140 points, and I got 133 points out of the 140, what letter grade or percent would i have in that class?

Answers

If you got a 133 points out of 140. You would divide that and you will get 0.95. 95%
140/ 133 = 96% i think

Devon is trying to find the unit price on a 6-pack of energy drinks on sale for $2.99. His sister says that at that price,
each energy drink would cost just over $2.00
. Is she correct and how do you know? If she is not, how would
Devon’s sister find the correct price?

Answers

No, she's not. If each energy drink's unit cost was just over $2.00, and there are 6 drinks in a pack, then that's at least $12.00 right there, but the entire 6-pack is on sale for only $2.99. She should find the correct price by dividing $2.99/6, resulting in about $0.50 per drink
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