Tutors Answer Your Questions about Signed-numbers (FREE)
Question 349954: Problem: Hiking up a mountain, you notice that the air temperature drops 10 degrees celsius for every 1000 meters increase in elevation. Write a multiplication expression to represent the decrease in temperature if you hike up the mountain 3000 meters. Then evaluate the expression and explain its meaning.
This is a problem for my sixth grader's math homework and my wife and I are completely stumped. Neither of us can remember how to relate the temperature to the elevation in an equation and the lesson in the math book stops short of this type of problem (this particular problem is like a brain teaser at the end of the assignment). Can you help?
Click here to see answer by Vickiets(1)  |
Question 493928: Hello,
My name is Nikki, i am in 7th grade, learning pre-algebra. I need help learning a concept. I don't know how to explain it, here are some of the problems, (im not asking you to do these...)1) 4 more than twice a number 2)The difference of 10 and a number 3) The quotient of a number and 11 ect. if you know what these are would you explain it to me? if not its fine, i understand.
The assignment is due tomorrow 9/9/2011 it would be great if you could get it to me as soon as possible.
Click here to see answer by richard1234(5390)  |
Question 493928: Hello,
My name is Nikki, i am in 7th grade, learning pre-algebra. I need help learning a concept. I don't know how to explain it, here are some of the problems, (im not asking you to do these...)1) 4 more than twice a number 2)The difference of 10 and a number 3) The quotient of a number and 11 ect. if you know what these are would you explain it to me? if not its fine, i understand.
The assignment is due tomorrow 9/9/2011 it would be great if you could get it to me as soon as possible.
Click here to see answer by chessace(471)  |
Question 495172: I have to create a expression that equals 100 when I use Order Of Operations. I have to use all 10 digits (0,1,2,3,4,5,6,7,8,9) only once, and they must all be used once. I need help making the expression, its way to hard for me. my mother can't even figure it out. please can you help me?
Click here to see answer by bucky(2189) |
Question 496522: 8[6(9+-24)+-7]Please note that the 9 represents 3 squared..couldn't figure out how to do it that way:) Helping my son, this is a problem we have had numerous answers to..and I even used my college algebra book! Please help!!
Click here to see answer by richard1234(5390) |
Question 497621: I am getting stuck and can not figure out what i am doing wrong
the problem is (y-4) - (y+7) = 8y
our teacher is teaching us distributing and with this answer i would just use 1
so i got y - 4 -y -7 + 8y
then i combined like terms
the y's cancel out so now i am left with -11+8y
and this is where i get stuck
Click here to see answer by bucky(2189) |
Question 498520: i really need this in 2 days top!!!!!!!!!! anyways i'm not sure what catgory this goes under but i will still tell you the question:
the square root of -100
the square root of 16/81
the square root of 4/25
the square root of 121/144
the square root of 0.16
THANK YOU THANK YOU THANK YOU!!!!! LUV YOU ALL!!!!!!!! :)
Click here to see answer by solver91311(17077)  |
Question 496348: Attempting to assist my son with homework. topic is "order of operations". Here's the math problem......2+7^2-3^2/3^2-1x5=35. Here's how we did it.... 2+49-9/9-1x5=35
51-9/9-1x5=35
51-1-1x5=35
50-1x5=35
49x5=35????????
Click here to see answer by Flannery(124)  |
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