Answer:
10
Step-by-step explanation:
Set up an inequality
4x + 7.50
50
4x
42.50
x
10.625
So the answer is 10 because you can't buy .625 of a book
Step-by-step explanation:
2x + x + 57 = 90
3x = 33
x = 11
m1 = 2 × 11 = 22°
m2 = 11 + 57 = 68°
check: 22 + 68 = 90
Eight hours a day is a healthy average
Answer:
x= -9
Step-by-step explanation:
7(x+2)=-49
divide both sides by 7
(x+2)=-7
subtract 2 from both dies
x= -9
Answer:
A.(-3,4) is your answer.
Step-by-step explanation:
-3x+4
For A:
x=-3
y=4
Plug in 3 where x is and multiply -3 x -3, which equals 0.
Then you plug in 4 where y is, so then your equation is (4=0+4)
Then you add 0 +4, which sum is 4.
Final equation is 4=4, so yes your answer is A. (-3 , 4)
Can you mark me brainliest anwer.