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KengaRu [80]
3 years ago
12

The area of a circle is 49π m2. What is the radius?

Mathematics
2 answers:
olga55 [171]3 years ago
5 0

Answer: r= 3.95

Explanation: A=πr2

alina1380 [7]3 years ago
4 0
The answer to this question is 3.59
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I need help can you help me???
Gnom [1K]

Answer:

1. about 7.87 feet away

2. About 8.37 yds

Step-by-step explanation:

1. a^2+b^2=c^2

so 25+37= C^2

= 62

Square root of 62 = 7.87400787401

(About 7.87 ft away)

2. 40+30 = C^2

Square root of 70 =  8.36660026534

About 8.37

3 0
2 years ago
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There are 6 dogs and 12 cats in the backyard. Write the ratio of cats to total animals In 3 ways, in simplest form.
Luda [366]

Step-by-step explanation:

12:18

12 to 18

12/18 = 2/3

5 0
3 years ago
Simplify 25/26•13/15<br> HELPME
leva [86]
\frac{25}{26} * \frac{13}{15} =  \frac{25~*~13}{26~*~15} =  \frac{325}{390} = \frac{5}{6}
6 0
3 years ago
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11) If A = {19, 20, 21, 24} and B = {17, 19, 20, 22), list the elements of A U B.
Elodia [21]

Answer:

A U B = {17, 19, 20, 21, 22, 24}

Step-by-step explanation:

The symbol U is the union symbol, which denotes the union of two sets.

This means that given two sets A and B, the expression

A U B

indicates all the elements that belong to either set A or set B.

In this problem, we have the following two sets:

A = {19, 20, 21, 24}

B = {17, 19, 20, 22}

We can therefore list all the elements belonging to either set A or set B, they are:

17, 19, 20, 21, 22, 24

So, the expression A U B indicates the set:

A U B = {17, 19, 20, 21, 22, 24}

3 0
3 years ago
How do you simplify the value of (28x^4)÷(12x^3)?
d1i1m1o1n [39]
(28x^4) \div (12x^3) =  \dfrac{28x^4}{12x^3}  =  \dfrac{4 \times 7x^4}{4 \times 3 x^3} =  \dfrac{7}{3} x^{4-3} = \dfrac{7}{3} x
5 0
3 years ago
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