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True [87]
2 years ago
7

The circumference of a circle is 14 what is the radius of the circle?

Mathematics
1 answer:
hjlf2 years ago
7 0
<h3>given:</h3>

circumference= 14

<h3>to find:</h3>

the radius of the circle.

<h3>solution:</h3>

r =  \frac{c}{2\pi}

r=  \frac{14}{2 \times \pi}

r = 2.22817

r = 2.23

<u>hence</u><u> </u><u>the</u><u> </u><u>radius</u><u> </u><u>of</u><u> </u><u>the</u><u> </u><u>circle</u><u> </u><u>is</u><u> </u><u>2.23</u>

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A bill from a plumber was $306 The plumber charged $150 for parts and $52 per hour for labor. How long did ths plumber work at h
ludmilkaskok [199]
We can make an equation from this.
Our intial value is 150 for parts, and he works for 52 dollars an hour.
We can define <em /><em>h</em> for hours and <em /><em>c</em> for total cost.
Therefore, we have:
c = 150 + 52h.
We can set this equal to 306 dollars, as that's the given total cost:
306 = 150 + 52h
Subtract 150 from both sides:
52h = 156
Divide both sides by 2:
h = 3
He worked 3 hours.
hope this helped!

6 0
3 years ago
What is the 1st term when −5z2 + 7z4 + 11z − 8z3 is arranged in descending order
patriot [66]
Descending order...largest to smallest
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3 0
3 years ago
Read 2 more answers
I need help on solving this ):
Studentka2010 [4]

Answer:

3 multiplied by 2 square root

A

4 0
3 years ago
I do not understand this question? Using partial quotients, which would be the best choice for the first number to subtract in t
marysya [2.9K]

Answer:

B. 520

Step-by-step explanation:

Partial quotient is simply the method used to find the value of a quotient by dividing bits by bits until you get to the answer. For instance if you want to divide 124/4

Whatever closest multiple of 4 to 124 you remember, write it down. For instance I remember 80 first.

80 is the 20th multiple of 4 (80÷4 = 20).

Then subtract the number from the original number you want to divide

124 – 80 = 44

Again, write down the closest multiple of 44 you remember. To me is 40, and it is the 10th multiple.

Subtract 40 from 44 you have 4 left.

It's now easy to divide 4 by 4 which is 1.

To now get the quotient in total, you'll add up

20 + 10 + 1 = 31.

Therefore, to use partial quotient in this problem, the best choice to begin with will be 520 because it is the 20th multiple of 26. Although 780 is the 30th multiple of 26, 520 will be easier to remember. For this reason, it is the best choice.

3 0
3 years ago
When I square my number, I get the same answer as when I multiply my number by 10 and then add 144. My number is positive. What
exis [7]

Answer:

your number is 18

Step-by-step explanation:

x^2 = (x × 10 ) + 144

x^2 = 10x + 144

x^2 - 10x - 144 = 0

using quadratic method

your answer should be

(x- 18) ( x+8 )

8 0
3 years ago
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