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Alik [6]
3 years ago
8

Find the circumference of the yellow circle.

Mathematics
2 answers:
IrinaK [193]3 years ago
5 0

Answer: the circumference of the yellow circle is 43.96 ft

Step-by-step explanation:

The perimeter of a plane shape is the total distance around the shape. The circumference of a circle is the same as its perimeter.

The formula for determining the circumference of a circle is expressed as

Circumference = 2πr

Where

π is a constant whose value is 3.14

r represents the radius of the circle

The diameter of the purple circle is 9 ft. Since both circles have a common center, the diameter of the yellow circle would be

9 + 2.5 + 2.5 = 9 + 5 = 14 ft

Radius = diameter/2

Radius of yellow circle = 14/2 = 7 ft

Circumference of yellow circle is

2 × 3.14 × 7 = 43.96 ft

Drupady [299]3 years ago
4 0

Step-by-step explanation:

▪ diameter of yellow = 9+2.5×2 = 9+5 = 14cm

▪ circumference of yellow = piie × diameter = 14piie cm

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Write a description of the rule (X, Y) (x+8,y+6)
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Answer:

You must add 8 to the x and 6 to the y.

Step-by-step explanation:

(x+8,y+6)

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x+8 & y+6

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5 0
3 years ago
How would you solve this equation when -14-7=-7?
uysha [10]

Answer:

r = -8/5

Step-by-step explanation:

-7 log4 (-10r) = -14

Divide each side by -7

-7/-7 log4 (-10r) = -14/-7

log4 (-10r) = 2

Raise each side to the base of 4

4^ log4 (-10r) = 4^2

-10r = 16

Divide each side by -10

-10r/-10 = 16/-10

r = -116/10

r = -8/5

8 0
3 years ago
Time varies inversely with speed if the distance is constant. It takes James 4 hours to get to his destination when he travels a
NikAS [45]

Answer:

Step-by-step explanation:

Time varies inversely with speed if the distance is constant. This means that if speed increases, the time it will take to cover the same distance will reduce

t = k/s

Where t = time

k = constant of inverse proportionality

s = speed

It takes James 4 hours to get to his destination when he travels at 65 miles per hour

4 = k/65

k = 65×4 = 260

t = 260/s

If he drove 15 miles/ hour faster, the new speed is 65 + 15 = 80miles/hour.

The time it will take him is

t = 260/s

t = 260/80 = 3.25 hours

The amount of time he would save is

4 hours - 3.25 hours = 0.75 hours

Converting 0.75 hours to minutes, we multiply by 60

Amount if time saved in minutes = 0.75×60 = 45 minutes

7 0
3 years ago
When each side of a rectangular prism is doubled, how does the volume of the new rectangular prism compare to the original prism
QveST [7]
I believe the Correct answer is B if I’m right please mark me as brainliest
6 0
3 years ago
Alexandria is practicing her long distance running. On day 0, she can run 2 miles without stopping. She wants to add 1/4 mile to
monitta

Answer:

slope = 1/4

Step-by-step explanation:

If a equation is in form of y = mx + c

them m is the slope of line.

____________________________________________

Let Y(d) be the distance ran by Alexandria on dth day

Y(0) = 2

she adds 1/4 miles each day then

Y(1) = 2 + 1/4

Y(2) = 2 + 1/4 +1/4 = 2 +1/4(2)

Y(3) = 2 + 1/4 +1/4 +1/4= 2 +1/4(3)

.

.

.

.

similarly

in d days she can run 2 miles + 1/4*d miles

thus, we have

Y(d) = 2 + 1/4(d)

it can be also solved

Thus we see that it is a linear relationship y = 2 + 1/4(d)

which is in the form of y = mx + c

comparing mx to 1/4 d

we have m = 1/4

thus,

slope of this linear relationship is 1/4

8 0
3 years ago
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