MATHEMATICS HIGH SCHOOL

Eric said that the number 2 is prime because it has only two factors. Jeff said that the number 2 is composite because it is even, and all even numbers are composite. Who is correct?

Answers

Answer 1
Answer: Eric because prime numbers has only 2 or less factors. composite numbers has 3 or more.
Answer 2
Answer:

Answer:

Eric is correct.

2 is a prime number.

Step-by-step explanation:


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HIGH SCHOOL

Identify the corresponding word problem given the equation: x = 4 × 9 A) Chris and four of her friends went out to eat. They decided to split the bill evenly. If each person paid $9, what was the total bill?
B) Chris and three of her friends went out to eat. They decided to split the bill evenly. If each person paid $9, what was the total bill?
C) Chris and four of her friends went out to eat. They decided to split the bill evenly. If the total bill was $36.00, what did each person pay?
D) Chris and three of her friends went out to eat. They decided to split the bill evenly. If the total bill was $36.00, what did each person pay?

Answers

The answer is B because Chris and three of his friends is 4. Then, each person paid $9 so 4 x 3 = x.

Answer:

its B usa test prep sucks

Step-by-step explanation:

HIGH SCHOOL

Which proportion could be used to solve the question? What percent of 80 is 23?

A. p/23 = 80/100
B. p/80 = 23/100
C. p/100 = 23/80
D. none could be used

Answers


C. can be used to solve it

other way is: p/100 *80 = 23
0.8p = 23
p = 23/0.8 = 28.75
HIGH SCHOOL

HELP ASAP PLEASE! Find the slope and reduce.

P=(2,3) Q=(9,7)

Slope of PQ = ?

*answer must be a fraction*

Answers

M= (y2-y1)/(x2-x1)

Plug in the points. (2,3) (9,7)

m= (7-3)/(9-2)

m= 4/7

Slope= 4/7

I hope this helps!
~kaikers
MIDDLE SCHOOL

What does this equation equal to | -9 + 4 | =

Answers

The absolute value sign changes anything that's in it to become a positive number. So -9 + 4 is -5. The | | will make the -5 becomes positive. So |-5| = 5.

Your answer is 5.
Absolute value indicates that we are focusing on the distance, not the direction. Which means that the sign will not be included. 

l-9+4l  

-9+4 = -5

l-5l Absolute value of -5 is 5.

Answer: 5
MIDDLE SCHOOL

What is the least number you could multiply by to write an equivalent equation with integer coefficients? 1/3(4a+1)=1/2a

Multiply both sides of the equation by _____ .

Answers

The least common multiple of the divisors 3 and 2 is 6. Multiplying by 6 gives you
  2(4a+1) = 3a

Multiply both sides of the equation by 6.
MIDDLE SCHOOL

The positive integer x is a multiple of 9 and also a multiple of 12. The smallest possible value of x is
(A) 3
(B) 12
(C) 21
(D) 36
(E) 72

Answers

X is multiple of 9 as well as 12.

Thus, smallest value will be 36 ( 9 *4 = 36, 12 * 3 = 36)

3 and 12 are not the multiples of 9.

72 is a larger multiple than 36; thus, the correct answer is 36.
HIGH SCHOOL

Is 202.98% greater than 1 or is 67.14% greater than 1?

Answers

Answer:

  • 202.98% > 1
  • 67.14% < 1

Step-by-step explanation:

100% = 1

202.98% is more than 100%, so is more than 1.

67.14% is less than 100%, so is less than 1.

MIDDLE SCHOOL

10. Wholesale price: $232.95
Markup: 60%
Equals??

Answers

Answer:

$139.77

Step-by-step explanation:

$232.95 x 0.60 (Wholesale Price x Markup)

$139.77 (Gross Profit)

$232.95 + $139.77 (Wholesale Price + Gross Profit)

$372.72 (Sticker Price)

HIGH SCHOOL

What are the earnings for:
1. 5 days at $69.00 a day = $
2. 3.5 days at $27.75 a day = $

Answers

Answer:

1. 345 dollars

2. 97.125 dollars

Step-by-step explanation:

1) What are the earnings for 5 days at 69 dollars a day?

If a person makes 69 dollars a day and we want to know the earning of 5 days, we would have to multiply the earnings per day by the number of days.

69 x 5 = 345.

2) What are the earnings for 3.5 days at 27.75 dollars a day?

If a person makes 27.75 dollars a day and we want to know the earning of 3.5 days, we would have to multiply the earnings per day by the number of days.

27.75 x 3.5 = 97.125

1. 5*69$ = 345$ , the earning is 345 dollars.
2. 3.5*27.75 = 97.125$, the earning is 97.125 dollars.

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