MATHEMATICS HIGH SCHOOL

#110 points
1. Which equation has a solution of 4 for n?
A. -3n = 12
B. 7 - n = 11
C. n - 6 = -2
D. 2.5n =

Answers

Answer 1
Answer:

Answer:

n = 4 in equation C
Answer 2
Answer: Equation C!! (4-6= -2)

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Solve the equation for x -x*2-10x+24=0

Answers

Answer:

x=-12        x =2

Step-by-step explanation:

-x^2-10x+24=0

Divide by -1

x^2 +10x -24 = 0

Factor

What 2 terms multiply to -24 and add to 10

12 * -2 = -24

12 -2 = 10

(x+12) ( x-2) = 0

Using the zero product property

x+12 =0    x-2 =0

x=-12        x =2
The answer is x=-12 an x=2

Frankie paid $11.75 for the movie ticket and $4.75 for popcorn and a drink. How much did Frankie spend?
a. $7.00
b. $15.50
c. $15.75
d. $16.50

Answers

He spent $16.50. Add the two amounts up.

Its 16.50

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Paula earns $24.50 per post writing blog articles. If she writes 20 posts per week, how much would she earn in one week?

Answers

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At a sale, Janet bought a $40 blouse for $25. Find the discount rate.

Answers

Answer:

37.5%

Step-by-step explanation:

40-x%*40=25

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Which of the following equations has exactly one real solution?A.
2(x + 14) = 2x + 28
B.
7x + 14 = −2x − 17
C.
2x + 14 = 2x + 14
D.
7x + 14 = 7x − 17

Answers

Answer:

Option A

Step-by-step explanation:

2(x+14)=2x+28

2x+28=2x+28

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Answers

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