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Sonja [21]
3 years ago
12

A group of students formed a circle during a game. The circumference of the circle was about 43.96 feet, and the diameter of the

circle was 14 feet.
Which expression best represents the value of
π
?

A.
43.96
7

B.
43.96
14

C.
7
43.96

D.
14
43.96
Mathematics
1 answer:
lara31 [8.8K]3 years ago
5 0

Answer:

pi = pi

Step-by-step explanation:

Circumference = 2 * pi * r

Equation you need:

43.96 = 2 * pi * 7

43.96 = 2 * 7 * pi

43.96 / 14 = pi

pi = 3.14

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zalisa [80]
1.) y-7=4(x+3)
2.) y+7=(x-1)
3.) y-3=6(x+8)
6 0
3 years ago
From the sum of -265 and -156 subtract the sum of 356 and -250
earnstyle [38]

Answer:

315

Step-by-step explanation:

The sum of -265 and -156:

-265 + (-156)

= -265-156

= -421

The sum of 356 and -250:

356 + (-250)

= 356-250

= 106

The sum of both:

-421 + 106

= -315

Hope this helped!

6 0
3 years ago
How do you work out the value of x?
denis23 [38]

Answer: 45

Step-by-step explanation:

The total degrees in a circle is 360.

The perpendicular angle that you see is 90 degrees, added to angles of x and 3x, you get the total degrees.

so 90 + x + 3x = 90 + 4x = total

90 + 4x = 360

4x = 180

x = 45 degrees

6 0
3 years ago
Read 2 more answers
A rope 5 meters long was cut into 7 equal parts. What is the length of each part?
LekaFEV [45]

Answer:

5/7 meters

Step-by-step explanation:

Take the 5 meters and divide into 7 parts

5/7 = 5/7 meters

8 0
3 years ago
Read 2 more answers
A cellphone company charges $60 for a cellphone and a monthly rate to use the phone.Regina will pay $1,140 for a 24-month cellph
Alinara [238K]

The monthly rate is $45 for this cellphone plan.

Step-by-step explanation:

Given,

Amount charged for cell phone = $60

Amount paid by Regina for 24 month plan = $1140

Number of months = 24

Let,

m be the monthly rate for cellphone plan

Number of months * Monthly rate + cellphone charges = Amount paid

24m+60=1140\\24m=1140-60\\24m=1080

Dividing both sides by 24

\frac{24m}{24}=\frac{1080}{24}\\m=45

The monthly rate is $45 for this cellphone plan.

Keywords: subtraction, division

Learn more about subtraction at:

  • brainly.com/question/10894205
  • brainly.com/question/10987396

#LearnwithBrainly

7 0
3 years ago
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