Answer: d. He multiplied when he was supposed to divide
Step-by-step explanation:
He just multiplied across when he was supposed to divide (or cross multiply) to find the unit rate :)
1. distribute the parentheses.
-3=12y-10y+35
2. Move the constants to the other side
-3-35=12y-10y
3. Subtract the terms
-38=2y
4. Divide by 2 to get y by itself
y=-19
Answer:
Step-by-step explanation:
Did you mean log (17*3)? If so, your log (17x3) becomes log 17 + log 3.
Did you mean log 17^3? If so, log 17^3 = 3 log 17.
Did you mean log 17*x*3? If so, this equals log 17 + log x + log 3
The length of rectangle is 37.5 and width is 12.5
Step-by-step explanation:
Given,
Width of rectangle = w
Length of rectangle = 3w
Perimeter of rectangle = 100
Perimeter = 2(Length+Width)
![100=2(3w+w)\\100=2(4w)\\100=8w\\8w=100](https://tex.z-dn.net/?f=100%3D2%283w%2Bw%29%5C%5C100%3D2%284w%29%5C%5C100%3D8w%5C%5C8w%3D100)
Dividing both sides by 8
![\frac{8w}{8}=\frac{100}{8}\\w=12.5](https://tex.z-dn.net/?f=%5Cfrac%7B8w%7D%7B8%7D%3D%5Cfrac%7B100%7D%7B8%7D%5C%5Cw%3D12.5)
Width of rectangle = 12.5
Length of rectangle = 3(12.5) = 37.5
The length of rectangle is 37.5 and width is 12.5
Keywords: Rectangle, perimeter
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