A
Explanation: You want to get x by itself. So add +7 to -7 to cancel it out, do the same thing to 4.
x-7=4
+7+7
x=11
x
C) might be the answer because I divided the fractions. 3/5 divided by 1/5 which equals to 3. 3/5 *1/5.then 3/5 * 5/1 because you have to flip the second fraction.which equals to 15/5. But that is an improper fraction.so you need to divide 15 divided by 5=3 hours
Hope this helps
Answer:
A) y = 5x + 32
B) y = -4x -22
We multiply B) by -1
B) -y = 4x + 22 then we add it to A)
A) y = 5x + 32
9x + 54 = 0
x = -6
Substituting x = -6 into A) we get
A) y = 5*-6 +32
y = 2
Answer is c. (-6, 2)
(You've typed b. and c. out of order
Step-by-step explanation:
Answer: 79%
Step-by-step explanation:
min —> 30 mins because half an hour is 30 mins.
(1 - 0.5)^30 = .214638..
1 - .214638 = .78536
round that to the closest percent equals 79%
