-.75(.66+1.2) is equivalent to -3/4(2/3+5/6) and your answer would be -1.395
Plug in 3 for x and solve for k.
(3)^2-3k+21=0
3k=9+21
3k=30
k=10
Answer:
5. 14
6. 8
7. 40
8. 10
9. 2
10. 21
Step-by-step explanation:
Answer:
$189
Step-by-step explanation:
Let their total amount of spending money be x
given that $135 they spent is 5/7 of their total spending money,
mathematically:
135 = (5/7) x (multiply both sides by 7)
135 (7) = 5x
945 = 5x
5x = 945 (divide both sides by 5)
x = 945 / 5
x = 189
