Answer: 11/12
Step-by-step explanation:
mental math
meth math
Answer:
-18y - 18
Step-by-step explanation:
The -2 needs to be distributed into both values in the parenthesis. This will make the equation -8y - 10y - 18. Then, you put the like terms together. This will result in the final equation, -18y - 18
<u>Answer-</u>
The speed of wind is 13 mph
<u>Solution-</u>
We know that,
⇒
Let's assume, W = speed of wind
39 + W = speed with the wind
39 - W = speed against the wind
Time taken by him to travel with the wind
Time taken by him to travel against the wind
∴ As he takes same time for both the cases
⇒
⇒ 78 - 2W = 39 + W
⇒ 3W = 39
⇒ W = 13 mph
Answer:
20s=m
Step-by-step explanation:
I really don't understand it that well but all that I can is that s can represent students that went on the trip, and each student's ticket cost is 20$, so 20*s=20s, but we are taking m as the total money collected, so we can end up saying that 20s=m, hope u understood :)
Answer:
yes that's correct
Step-by-step explanation:
1. 3x*(3x+4)
2. 3x*3x=6x2
3x*4=12x
so it's 6x^2+12x