MATHEMATICS HIGH SCHOOL

Reggie ate 31 raisins. Which correctly describes 31 as a prime or a composite number and tells the number of factor pairs 31 has? You're choices are: A-31 is a prime number because it has 0 factor pairs. B-31 is a prime because it has 1 factor pair. C-31 is a composite number because it has 1 factor pair. D-31 is a composite number because it has 2 factor pairs.

Answers

Answer 1
Answer:

Answer:

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Step-by-step explanation:

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Answer 2
Answer:

Final answer:

The number 31 is a prime number and has exactly one factor pair which is 1 and the number itself, so the correct answer is option B.

Explanation:

The value 31 is considered a prime number.

A prime number is a number that only two distinct positive divisors: 1 and itself. Therefore, every prime number has exactly one factor pair, which is 1 and the number itself.

So, option B-31 is a prime because it has 1 factor pair is the correct answer. This means that the factors of 31 are simply 1 and 31.

so the correct answer is option B.

Learn more about Prime Numbers here:

brainly.com/question/30358834

#SPJ12

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Which of the following is closest to 27.8 x 9.6

A car recently sold for $32,345. If there's a 6% sales tax on automobile sales, how much tax will be added to the price of the car?

Answers

34285.7 is the answer.

The price of a pair of shoes is $45.90. The sales-tax rate is 5 percent. How much sales tax do you need to pay?a)0.30 b)2.30 c)23 d)48.20

Answers

45.90*0.05=2.295.The answer is $2.30 when you round it off.

What's the answer for the value of each 5 in 15,573? a) 500 b) 50 c) 5,000 d) 5

Answers

The value of each 5 in the number 15,573 is:

b) 50

The bull’s-eye on a target has diameter 2 in. What is the area of the bull’s-eye to the nearest tenth? Use 3.14 for π.

Answers

Answer:

20.3cm^2

Step-by-step explanation:

Bullseye has a circular shape. So area of a bulleyse = Pi x (radius) ^2

Díameter is 2 inches = 5. 08cm

But radius = diameter /2

Radius = 5.08cm /2

Radius = 2.54cm

Hence Area of bulleyse = 3.14 x (2.54) ^2

= 3.14 x 6. 451 cm^2

= 20.256 cm^2

=20.3cm^2 (to nearest tenth)

1/4 Divided By 9/10=

Answers

Answer:

(5)/(18)

Step-by-step explanation:

When dividing fractions, the formula is simple: Keep Flip Change (KFC)

So keep (1)/(4) change your division sign to a multiplication sign, and flip (9)/(10) so it becomes (10)/(9).

(1)/(4)·(10)/(9)=(10)/(36)

Then you need to reduce your fraction to simplest form.

(5)/(18)
5/8 or 0.27

Hope this helped

4y+5x=15x=8y+3

I am in Algebra 1 and kind of stuck on this problem. Can anyone help me out

Answers

If...x=8y+3 ⇒ 4y+5x=4y+5\cdot(8y+3)=4y+40y+15=44y+15

44y+15=15 ⇒ 44y=0 ⇒ \boxed {y=0}

x=8\cdot0+3 \boxed { x=3 }
4y+5x=15x=8y+3

4y+5*(8y+3)=15

4y+40y+15=15

44y=0

y=0

x=8y+3

x=8*0+3

x=3
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