Tutors Answer Your Questions about expressions (FREE)
Question 831535: Please help me solve this expression; (xy+3)^2 x=2 y=5
This is what I have tried....(5)^2 x (2)^2 + 3
25 x 4 = 100+3=103
103 x 2 = 206
But the answer is 169...I want to understand how they got this answer so I can move on with my homework....Please help me understand...Thank you
Click here to see answer by JulietG(1812)  |
Question 831535: Please help me solve this expression; (xy+3)^2 x=2 y=5
This is what I have tried....(5)^2 x (2)^2 + 3
25 x 4 = 100+3=103
103 x 2 = 206
But the answer is 169...I want to understand how they got this answer so I can move on with my homework....Please help me understand...Thank you
Click here to see answer by KMST(5328)  |
Question 831801: The Length of a rectangle is 7 feet less than 4 times the width.
Find the length and the width of the rectangle if the area is 36 square feet
Let w = the width of the rectangle
-------------------------
Write and expression for the length of the rectangle in terms of w
l =
Since the area of the rectangle is given by the formula A =lw, write an expression for the area A of the rectangle in terms of w.
A =
Set up and solve an appropriate equation and find the width
The width w = (blank) feet. The length l = (blank) feet.
Thank you so much in advance, my son and i cant figure out how to do this problem.
Click here to see answer by rothauserc(4718)  |
Question 832862: Sung is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices.
Company A charges $89 and allows unlimited mileage.
Company B has an initial fee of $75 and charges an additional $0.70 for every mile driven.
For what mileages will Company A charge less than Company B?
Use M for the number of miles driven, and solve your inequality for M .
Click here to see answer by JulietG(1812)  |
Question 836255: 3+(3-5)^2/2(-2)
I seemed to get confused on the order of operations in order to evaluate this.
The steps I took were
multiply 2(-2)
Subtract (3-5)^2 then multiply, then divide the answer, but I doesn't seem correct to me.
this is where I've gotten confused. May I please get some assistance?
Click here to see answer by richwmiller(17219)  |
Question 836255: 3+(3-5)^2/2(-2)
I seemed to get confused on the order of operations in order to evaluate this.
The steps I took were
multiply 2(-2)
Subtract (3-5)^2 then multiply, then divide the answer, but I doesn't seem correct to me.
this is where I've gotten confused. May I please get some assistance?
Click here to see answer by LinnW(1048)  |
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