The area of circular garden is 379.94 feet2. What is the circumference of the garden? (Use 3.14 for .)

Answers

Answer 1

Answer: we have to find out the radius of the circle.
area of a circle=πr²
379.94 ft²=(3.14 * r²)
r²=379.94 ft² / 3.14
r²=121 ft²
r=√(121 ft²)
r=11ft

Now, we calculate the circumference of the garden.
circumference =2πr
circumference=2*3.14*11 ft=69.08 ft

Answer: the circumference is 69.08 ft,

Answer 2

Answer:

Answer:

WATCH MY HERO ACADEMIA and FAIRY TAIL

Step-by-step explanation:

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If a school bought 1,000 erasers as part of an order for supplies. The total cost of the erasers was $30. What was the cost for 1 eraser?

Answers

The cost of 1000 erasers was 30$, then one eraser would be 30/1000=0.03$

Tennis balls with a diameter of 2.5 in. are packaged 3 to a can. The can is a cylinder. Find the volume of the space in the can that is not occupied by tennis balls. Assume that the balls touch the sides, top, and bottom of the can. Round your answer to the nearest hundredth. What is the volume not occupied by balls?

Answers

a) First we calculate the volume of each ball:

$\boxed{V=(4\pi r^3)/(3)}\n \n \boxed{V=(4*(3,14)*(1.25)^3)/(3)=8,177 \ square \ inch}$

b) Now we calculate the volume of tree balls:

$\boxed{V_T=3*8,177=24.531 \ square \ inch}$

c) Now we calculate the volume of cylinder:

c1) Base area:

$\boxed{A_b=\pi r^2}\n \n \boxed{A_b=3,14*(1,25)^2=4.906 \ square \ inch}$

c2) Cylinder height

$\boxed{h=3*(2.5)=7.5 \ inch}$

c3) Cylinder Volume:

$V_C=A_b*h\n \n \boxed{V_C=4.906*7.5=36.795 \ cubic \ inch}$

d) Finally we calculate the internal space:

$\boxed{\boxed{s=36.795-24.531= 12,264\ cubic \ inch}}$

$d=2.5 \ in \n \n r=(d)/(2)=(2.5)/(2)=1.25 \ in \n \n \pi=3.14 \n \nVolume \ of \ a \ Cylinder : \n \nV = \pi r^2 h$

$h=3\cdot d = 3*2.5 = 7.5 \ in \n \nV_(c) = 3.14\cdot (1.25)^2\cdot 7.5 = 23.55 * 1.5625=36.80 \ in^3$

$The \ volume \ of \ tree \ balls : \n \n V_(3b)= 3 \cdot (4)/(3) \pi r^3 = 4\pi r^3 \n \nV_(3b)=4\cdot 3.14\cdot (1.25)^3= 12.56\cdot 1.9531 \approx 24.53 \ in^3 \n \nV_(c)-V_(3b)=36.80-24.53 =12.27 \ in^3 \n \n Answer : \ The \ volume \ not \ occupied \ by \ balls \ it \ 12.27 \ in^3$

The perimeter of a circle is called

Answers

The perimeter of a circle is called the Circumference.

The formula for finding the circumference is 2r $\pi$

Or the diameter times 3.14159...

the perimeter of a circle is called the circumference

i hope i helped

8.0007 * 10 to the 6 power

Answers

Answer: 8000700

Step-by-step explanation:

10 to the 6th power is 100000

1000000 * 8.0007 = 8000700

Find an equation of a line that pass through (4,3) and parallel to y=-4x+1

Answers

Answer:

y = -4x + 19

Step-by-step explanation:

The line parallel to y = -4x + 1 would have the same slope of -4. The coefficient of x will be -4. We can put this into the equation y = -4x + a where a is the y-intercept and a ≠ 1. Now solve for a.

y = -4x + a

plug in 4 for x and 3 for y

3 = -4(4) + a

simplify

3 = -16 + a

+16 both sides

19 = a

a = 19

y = -4x + 19

Whats the answer to 29-(2c+3)=2(c+3)+c

Answers

Answer:

29-(2c+3)=2(c+3)+c=

We move all terms to the left:

29-(2c+3)-(2(c+3)+c)=0

We get rid of parentheses

-2c-(2(c+3)+c)-3+29=0

Step-by-step explanation:

Answer:

Solution for 29-(2c+3)=2(c+3)+c equation:

Simplifying

29 + -1(2c + 3) = 2(c + 3) + c

Reorder the terms:

29 + -1(3 + 2c) = 2(c + 3) + c

29 + (3 * -1 + 2c * -1) = 2(c + 3) + c

29 + (-3 + -2c) = 2(c + 3) + c

Combine like terms: 29 + -3 = 26

26 + -2c = 2(c + 3) + c

Reorder the terms:

26 + -2c = 2(3 + c) + c

26 + -2c = (3 * 2 + c * 2) + c

26 + -2c = (6 + 2c) + c

Combine like terms: 2c + c = 3c

26 + -2c = 6 + 3c

Solving

26 + -2c = 6 + 3c

Solving for variable 'c'.

Move all terms containing c to the left, all other terms to the right.

Add '-3c' to each side of the equation.

26 + -2c + -3c = 6 + 3c + -3c

Combine like terms: -2c + -3c = -5c

26 + -5c = 6 + 3c + -3c

Combine like terms: 3c + -3c = 0

26 + -5c = 6 + 0

26 + -5c = 6

Add '-26' to each side of the equation.

26 + -26 + -5c = 6 + -26

Combine like terms: 26 + -26 = 0

0 + -5c = 6 + -26

-5c = 6 + -26

Combine like terms: 6 + -26 = -20

-5c = -20

Divide each side by '-5'.

c = 4

Simplifying

c = 4

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