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rodikova [14]
3 years ago
11

Which is a prime number? A. 39 B. 49 C. 81 D. 89

Mathematics
2 answers:
Alexus [3.1K]3 years ago
5 0
D: 89 is the prime number.
nataly862011 [7]3 years ago
5 0
The prime numbers include: <span>2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107 etc. 

The correct answer is D. 89</span>
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Hey um this is confusing
aleksandr82 [10.1K]

Answer:

15.7

Step-by-step explanation:

Lets take a = 50.

Area of Sector =

\frac{a}{360} \pi {r}^{2}  \\  =  \frac{50}{360} \pi {6}^{2}  \\  =  \frac{50}{360} (3.14)(36) \\  = 15.7units {}^{2}

4 0
3 years ago
What is the answer to m + 3 = -8
xeze [42]

Answer:

m=-11

Step-by-step explanation:

All you have to do is subtract 3 from both sides and you get -11!

I hope this helps and have a great day!

6 0
3 years ago
Read 2 more answers
Convert 6 x 10 to the power of 5 into standard form
WINSTONCH [101]

First let's write it out with just numbers

6×10^{5}

Now solve!

Solve exponent first

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Now multiply

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600,000 is your answer

6 0
3 years ago
Why is 2 the only even prime number
Temka [501]

Answer:

<em>A prime number is a whole number greater than 1 whose only factors are 1 and itself</em>

two is the only even prime number because it is divisible by only two and one. All the other even numbers are not prime because they are all divisible by two.

3 0
3 years ago
3x + y = 14<br> y = 5<br> Solve the system of equations
lorasvet [3.4K]

Answer:

X=3, y=5

Step-by-step explanation:

3x + y = 14 equation 1

y=5 equation 2

3x + 5 = 14.    substitute value of y from equation 2 into equation 1

3x=9

x-3

6 0
3 years ago
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