What is the approximate circumference of a circle with a radius of 30 inches? Use π ≈ 3.14.A.62.8 inches

B.188.4 inches

C.47.1 inches

D.94.2 inches

Answers

Answer 1

Answer: Given:
radius = 30 inches

Circumference of a circle = 2 * π * r
C = 2 * 3.14 * 30 inches
C = 188.40 inches

Answer is Choice B. 188.4 inches.

Answer 2

Answer:

Answer:

its b

Step-by-step explanation:

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A restaurant sells tea for $1.50 plus 0.50 per refill. The restaurant brews enough tea for 4 refills per customer . The linear function that represents the total cost of rtea refills is C(r) = 0.5r + 1.5 . Describe an appropriate domain of this function . Make sure to identify the set of numbers appropriate to the domain

Answers

4.50Answer:

Step-by-step explanation:

Algebra question
3-x=5-3x

Answers

Answer:

x=1. Hope this helps!!!

If H is the midpoint of GI, solve for x when GH = 5x + 2 and GI = 11x -10.

Answers

Answer:

x = 14

Step-by-step explanation:

If H is the midpoint of GI, then

GI = 2GH

11x -10 = 2(5x +2)

11x -10 = 10x +4 . . . eliminate parentheses

x = 14 . . . . . . . . . . . . add 10-10x

How many ways can six kids line up in a single row to have their picture taken?

Answers

slot method aka permuations
6 slots
1st slot: 6 options
2nd slot: 5 options (1 went to first slot)
3rd slot: 4
4th slot:3
5th slot:2
6th slot:1

multiply
6*5*4*3*2*1=720

720 ways

Answer:

720

Step-by-step explanation:

Box A has a volume of 32 cubic meters. Box B is similar to box A. To create box B, box A's dimensions were tripled. What is the volume of box B? a. 864 m3
b. 288 m3
c. 96 m3
d. 32 m3

Answers

The answer would be 864 m³ if the 32 volume was tripled. This is because when we are tripling the volume of the rectangle we are increasing 3 dimension, thus we will be multiplying 3 sides by the increase of which is equal to 27. Then 32 times 32 is 864 m³

Answer:

The correct option is A.

Step-by-step explanation:

It is given that the volume of box A is 32 cubic meters.

Let dimensions of the box A are l×b×h.

It is given that the dimensions of the box B were tripled than box A. So the dimensions of the box B are 3l×3b×3h.

The volume of box A is

$V=l* b* h$