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NARA [144]
3 years ago
13

Determine the radius of a circle with a circumference of 14 pi inches ​

Mathematics
1 answer:
ipn [44]3 years ago
7 0

Answer:

the radius is 7

Step-by-step explanation:

circumference is equal to pi(d)

you said it is 14pi

all you have to do is divide d by 2 to get r

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What is the area of rectangle with side lengths of 5/12 foot and 2/3 foot?
bija089 [108]

Answer:

The answer is 5/18

Step-by-step explanation:

5 0
3 years ago
MARKING BRAINLIEST FOR CORRECT ANSWER<br><br> -13 5/7 ÷ -56/91 = ?
BlackZzzverrR [31]

Answer:

-13 5/7 divided by -56/91 is 22 2/7

Step-by-step explanation:

By checking, (don't do it my way)

#1.        13 5/7 is 96/7 as an improper fraction.

#2        Then, make it negative.

#3         -56/91 is simplified as -8/13

#4         Divide. --> -96/7 :(-8/13)=-96/7*-13/8= -96/*(-13)/7*8=1248/56=156/7

=22 2/7

3 0
3 years ago
(30 POINTS) What are the y intercepts of the circle whose equation is (x+2)^2+(y-4)^2=13?
muminat

Hello from MrBillDoesMath!

Answer:  Choice C

Discussion:

The y-intercepts are the x values where y = 0.   Substituting y = 0 in the equation gives

(x+2)^2 +  (0-4)^2 = 13 =>

(x+2)^2 + 16 = 13 =>

Subtract 16 from both sides

(x+2)^2 = 13 - 16 = -3     (*)

The square of a real number is greater than or equal to 0. (Not true for complex numbers). The left side of (*) is therefore >= 0 but as also equals -3. This is not possible so there is no solution to the equation. Choice C.



Thank you,

MrB


6 0
4 years ago
Find the length of an arc formed by a 90 degree angle on a circle with a radius of 6 the hcc
zvonat [6]
The length of that arc is (90/360)·2·π·6 = (1/4)·12·π = 3·π ≈ 9.42 units;
8 0
4 years ago
Match the expression with its name. 7x4 – 5x + 4
Anettt [7]

Answer:

algebraic expression

28-20=8

4 0
3 years ago
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