MATHEMATICS MIDDLE SCHOOL

A dartboard has a diameter of 12 inches. What are its radius and circumference? Round to the nearest hundredth. Use 3.14 for π. The radius is inches. The circumference is approximately inches.

Answers

Answer 1

Answer: Radius=Diameter/2
=12/2
=6 inches

Circumference=2*3.14*radius
=2*3.14*6
=37.70 inches

Answer 2

Answer:

Answer:

1) 12in

Step-by-step explanation:

The circumference is 75, so to find the diameter you have to divide 75 by 3.14. You get 24 approximately. Then divide the diameter by 2, so 24/2=12.

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The surface area of a cube is 24 cm squared. What would the surface are of the prism be if each dimension were quadrupled?

Answers

cubeSA=6 squares
SA=6s^2
SA=24
24=6s^2
divide 6
4=s^2
2=s

quadrupled means times 4
2*4=8
8=new side
sub back
SA=6(8^2)
SA=6(64)
new SA=384 cm^2

4x +2y = 12
-4x + 5y= -5

Answers

$4x+2y=12 \n\underline{-4x+5y=-5} \n2y+5y=12-5 \n7y=7 \ny=(7)/(7) \ny=1 \n \n4x+2y=12 \n4x+2 * 1=12 \n4x+2=12 \n4x=12-2 \n4x=10 \nx=(10)/(4) \nx=(5)/(2) \nx=2 (1)/(2) \n \n\boxed{(x,y)=(2 (1)/(2), 1)}$

Please, look at photo :))

-Good luck !

What is 31.6 divided by 2?

Answers

I got 15.8 so da first person is right!! good job

Identify the constant term in 14x + 6y - 5. A. 14 B. 6y C. -5 D. 5

Answers

Answer:

Step-by-step explanation:

Answer:

C. -5

Step-by-step explanation:

14x and 6y both have variables attached to them

the most basic form for a function like this is ax+by+c

the definition of constant is a fixed value. the reason your constant has to be a solo number, not attached to a variable, is that these variables change the number!! so, -5, the only number that won't change in the function, is the constant.

3 over 4 plus 5 over 6 divided by 2 over 3

Answers

The answer is 57/24 or 19/8 if they want you to simplify

Factors of 64......plzz help

Answers

Factors of 64 are the numbers divisible by 64.

They are 2,4,8,16,32 and 64.

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