Answer:
-27
Step-by-step explanation:
Any operations inside parentheses must be carried out first.
Thus,
9 ÷ 3[(20 − 7) − 22] becomes 9 ÷ 3[(13) − 22]
This, in turn, becomes 9 ÷ 3[-9].
The negative operator can be taken out and written up front: -9 ÷ 3[9) Note: this does not call for subtraction).
Carrying out the indicated operations from left to right:
-3(9) = -27
Answer:
1686.22
Step-by-step explanation:
2300=P(1+(0.052x7))
2300=P1.364
P=2300/1.364
=1686.217...
=1686.22...
=1686 FOR THE NEAREST DOLLAR
Answer:
The number he think of is 15
Step-by-step explanation:
Let x be the number
3x + 9 = 54
x = (54-9) / 3
x = 15
The number he think of is 15
Answer:
48 = 12 +9w
36 = 9w
w = 4
Worked out:
you need 48 dollars, you already have 12. so now you need to save 9 per week, which would be 9w. so you would want to add 9w to 12 to get to 48. simplifying and solving for <em>w</em> would be 4 weeks