Answer:
The answer is x=11
Step-by-step explanation:
![\frac{12}{8} = \frac{2x + 5}{x + 7} \\ 4x + 10 = 3x + 21 \\ x = 11](https://tex.z-dn.net/?f=%20%5Cfrac%7B12%7D%7B8%7D%20%20%20%3D%20%20%5Cfrac%7B2x%20%2B%205%7D%7Bx%20%2B%207%7D%20%20%5C%5C%20%204x%20%2B%2010%20%3D%203x%20%2B%2021%20%5C%5C%20x%20%3D%2011)
Answer:
(sorry if it's wrong)
Step-by-step explanation:
Sorry,
At 3:00 a.m the temperature was at -13*F and at 10 a.m, the temperature changed to 22*F
the difference in between the time would be 7 hours, and the difference in between the temperatures would be 35*F
Answer:
AD=AB
Step-by-step explanation:
3x-5=x+1
It's a square
You solve for x then plug it back in
Answer: It will take about 5 weeks for John and Adrianne to have saved the same amount of money,
Step-by-step explanation: For this question we can create a ratio to determine the amount of weeks it will take both John and Adrianne to have saved the same amount of money.
We know that John began with $100.
We know that Adrianne began with $40
From this point on, John's amount of money will increase by $15 and Adrianne's amount of money will increase by $25.
We can use a ratio to determine this.
AMOUNT OF MONEY : WEEKS
John- Adrianne-
115:1 65:1
130:2 90:2
145:3 115:3
160:4 140:4
175:5 175:5
Answer:
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Step-by-step explanation: