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anastassius [24]
2 years ago
12

What is the exact circumference of a circle with a radius of 15 cm?

Mathematics
1 answer:
denis-greek [22]2 years ago
6 0

Answer:

(C) 30πcm

Step-by-step explanation:

In order to find circumference you use the formula C (circumference)=2(pi)(r) in which r is the radius. In this case, two and 15 are thirty so to find the circumference all you have is the equation 30 times pi centimeters is equal to the Circumference.

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Can someone help plz
Vanyuwa [196]

Answer: -1.13

Step-by-step explanation: I counted from -1.1 to -1.15

6 0
3 years ago
The annual income of Sam is Rs​ 43,360. What is his monthly income if he earns an equal amount every month?
tankabanditka [31]

His monthly income if he earns an equal amount every month is Rs 3,613.33

<h3>How to determine the monthly income?</h3>

The annual income is given as:

Annual income = Rs 43,360

The monthly income is calculated as

Monthly income = Annual income/Number of months

There are 12 months in a year

So, we have:

Monthly income = Rs 43,360/12

Evaluate the quotient

Monthly income = Rs 3,613.33

Hence, his monthly income if he earns an equal amount every month is Rs 3,613.33

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3 0
2 years ago
Tina is planning to fence in an area for her dog. She wants to create a rectangular area of 1,600 square feet for her pet and ca
castortr0y [4]

The dimensions of the rectangular area of Tina's fence is 40 ft by 40 ft

<h3 />

<h3>Area of a rectangle:</h3>
  • area = lw

where

l = length

w = width

She wants to create a rectangular area of 1,600 square feet for her pet . Therefore,

  • area = 1600 ft²

lw = 1600

Therefore,

perimeter = 160 ft

Then,

perimeter of rectangle = 2(l + w)

160 = 2(l + w)

l + w = 80

Let's combine the equations

lw = 1600

l + w = 80

l = 80 - w

Therefore,

w(80 - w) = 1600

80w - w² = 1600

Therefore,

w² - 80w + 1600 = 0

w² - 40w - 40w + 1600 = 0

w(w - 40) - 40(w - 40) = 0

(w - 40)(w - 40) = 0

w = 40 or 40

Therefore, the dimensions can be calculated as follows:

lw = 1600

40l = 1600

l = 1600 / 40

l = 40 ft

Therefore, the dimensions are 40ft by 40 ft

learn more on algebraic model here: brainly.com/question/4151078

4 0
3 years ago
Jeffery is a spelunker. He explores caves. Jeffery has been collecting data on the growth of stalactites over a period of years.
user100 [1]

Answer:

3.12

Step-by-step explanation:

4 0
3 years ago
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The probability of a certain player making a three-point shot is 1/14. What is the probability he does not make his next shot?
kari74 [83]

Answer:

13/14

Step-by-step explanation:

If the player chance of making it is 1/14 the remaining chances are the chances he will miss it.

4 0
4 years ago
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