04/23/17

how fast if the radius increasing
Helium is pumped into a spherical balloon at a rate of 5 cubic feet per second. How fast is the radius increasing after 2 minutes? Rate of change of radius (in feet per second) = 
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04/23/17

list the critical number of the following function
List the critical numbers of the following function in increasing order. Enter N in any blank that you don't need to use.G(x)=^3√3x^2-3x    The square root is over... more
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04/23/17

I have a problem that is supposed to be solved with the elimination method, but I think this problem is unsolvable
my problem is    9x-3y=6 6x-2y=14   This is how I tried to solve the problem: (2)9x-3y=6(2) (-3)6x-2y=14(-3)    18x- 6y=12 -18x+6y=-42   no matter how I try to solve this problem with... more
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04/22/17

Write a whole number that rounds to 700000 if we are rounding to the nearest hundred thousand
I don't understand this 
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04/21/17

Susan runs 6 miles in 55 minutes. At the same rate, how many miles would she run in 44 minutes?
i need help with this question i am doing aleks
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04/21/17

Find all critical values for the function
Find all critical values for the functionf(r)=[(3r)/(6r^2+10)]and then list them (separated by commas).
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04/21/17

Find dy/dx in terms of x and y
Find dy/dx in terms of x and y if 2xy+4x+y=6. dy/dx=____
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04/21/17

Find dy/dx in terms of x and y
Find dy/dx in terms of x and y if x^9+y^2=√2 dy/dx=_____
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04/17/17

Why does log(25^1/2) covert to log(*square root*25)
So there's this question. It's 1/2log(25)+log(4). Then we convert it to log(25^1/2) + log (4). But then the log converts to the square root of 25 from log(25^1/2). Why? And what does that mean if,... more
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04/17/17

Manuel traveled 8 hours nonstop to mexico,
Manuel traveled 8 hours nonstop to mexico, a total of 416 miles. He took a train part of the way, which averaged 70mph, and then took a bus the remaining distance, which averaged 30mph. How long... more
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04/17/17

three times a number is subtracted from another number and the difference is 3. the sum of the two numbers is 31. What is the smaller of the two numbers
An Answer would be great
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04/17/17

NEED HELP WITH ELIMINATION METHOD QUESTION
one number is four more than a second number. two times the first number is 12 more than four times the second number
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03/22/17

Mass of the energy bar
A food company that is developing a new energy bar has not decided on the size of the bar. The recipe includes 9% protein and 13% fat. The company wants the bar to contain at least 6g of protein... more
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03/15/17

Elaine loans her brother $150 and he pays her back $160 thirty days later. Find the simple interest rate.
 Elaine loans her brother $150 and he pays her back $160 thirty days later. Find the simple interest rate. 
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03/15/17

algebra 2 high school
The formula r=√A/π relates the radius r and area a of the circle. Find the radius of the circle with an area of 450ft^2. Round your answer to nearest thousandth of a foot
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03/15/17

algebra 2 high school
Is this expression when simplified, positive, negative or undefined ^3√-425
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03/15/17

algebra 2 high school
^3√x-9=-4  solve
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03/15/17

One of two complementary angles has 2/3 the degree-measure of the other. Find the measures of the two angles.
Really having tdouble figuring this out 
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03/15/17

It cost $5600 to rent trucks, and it will cost an additional $200 for each ton of sugar transported. Let C represent total cost in dollars and S represent the
Amount of sugar in tons transported. write an equation relating to C and S    i have no clue how to set up the equation is there even enough information to do so 🤷🏾‍♀️
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03/15/17

brian read 2/15 of his novel in 20 minutes. If he reads at the same rate, what portion of his novel can he read in one hour
This question is a ratios and proportional reasoning question 
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03/15/17

Basic math word problem. Please help!
water flows from a tap 5 litres per minute to fill a pot. it takes 9 seconds to fill the pot to the brim. find the capacity of the pot in ml.
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03/14/17

if f(x)=3x+10x=g(x)=2x-4 find (f+g)(x)
if f(x)=3x+10x=g(x)=2x-4 find (f+g)(x)
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03/14/17

The total amount of concrete poured is ? cubic yards.
A construction crew pours 12 and three fourths cubic yards of concrete on Monday and 14 and one half cubic yards of concrete on Tuesday. The total amount of concrete poured is? cubic yards.
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03/14/17

During the first 15 minutes of the super bowl, the Panthers scored 3 touchdowns. What is the ratio of touchdowns to time played?
During the first 15 minutes of the super bowl, the Panthers scored 3 touchdowns. What is the ratio of touchdowns to time played?
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03/13/17

Angelo is payed double time for each hour he works over 40 hours a week. Last week he worked 46 hours and earned 572. What is his normal hourly rate?
Its a verbal problem that i need the hourly rate.
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