Mathematics

3. Considering the sign up fee and monthly membership fee for a gym, the equation c=30m+25 can be used to represent the total cost of a gym membership for m months. What is the amount of the sign up fee?
a) $30
b)$25 <---
c)$55
d)$5
4) Solve the equation or formula for the indicated variable.
S=3r^4t, for t
a)t=S/3 - t
b)t=r^4 - 3S
c)t= S/3r^4 <----
d)t=81r/S
5. Which inequality represents the following sentence?
Twelve fewer than a number is at least 18.
a)12+x less than or equal to 18
b)x-12 greater than or equal to 18 <----
c)12-x greater than or equal to 18
d)x-12<18
6. James has $40 to spend. He wants to buy 2 tickets to a show. He has to spend $7 to get where tickets are sold. The following inequality can be used to find out the highest price James can afford to pay for each ticket.
2x+7 less than or equal to 40
a)x less than or equal to 23.5
b) x less than or equal to 16.5 <----
c)x greater than or equal to 23.5
d)x greater than or equal to 16.5
7.What is the solutions to the compound inequality?
-8 less than or equal to 2x-4 < 2
a)-6 less than or equal to x < -4
b)-2 less than or equal to x < -1
c)0 less than or equal to x < 5
d)-2 less than or equal to x < 3 <---
8. Solve the absolute value equation.
|3x-4|=5
a)x=3 or x=-3 <----
b)x=3 pr x= -1/3
c)x=-3 or x= -1/3
d)x= -1/3 or x= 1/3
9. Which represents the solution to the absolute value equation?
5|2x-4|+1=11
a)x=1 or x=3
b)x=1 or x= -3 <----
c)x=3 or x= -3
d)x=6 or x= 1
10.Solve the inequality. Then graph solution.
|2x+7| less than or equal to 27
a)-17 less than or equal to x less than or equal to 10
b)-17 greater than or equal to x less than or equal to 10
c)x less than or equal - 10 or x greater than or equal to 10 <---
d)-34 less than or equal to x less than or equal to 20


Answers

Czarny333

2 years ago Comment

The correct answers to the following questions above are:
(3) Considering the sign up fee and monthly membership fee for a gym, the equation c=30m+25 can be used to represent the total cost of a gym membership for m months. The amount of the sign up fee is B. 25

(4) Solve the equation or formula for the indicated variable.
S=3r^4t, for t C. t= S/3r^4

(5) Twelve fewer than a number is at least 18. B. x-12 greater than or equal to 18 

(6) B. x less than or equal to 16.5

(7) D. -2 less than or equal to x < 3

(8) A. x=3 or x=-3

(9) B. x=1 or x= -3

(10) C. x less than or equal - 10 or x greater than or equal to 10