10/17/15

how do i factor out the coefficient of the variable ex. 2b+8
i dont understand this. . . 
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10/16/15

4th grade common core word problem
A teacher is taking his class to see a play. There are 24 students. The auditorium has 11 seats per row. There will be an adult placed at the beginning and end of each row, as well as after every 4... more
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10/16/15

which type of lines match these equations
x + y = 12x-y=2
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10/15/15

length of the side of a square is doubled. what is the ratio of the areas of the orginal square to the area of the new square?
Homework 7th grade
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10/15/15

Horses are measured in units called hands. One inch equals hand. The average Clydesdale is 17 hands tall. What is this height in inches? In feet?
This question was really hard and i cant seem how to solve this 
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10/15/15

Plz help me solve
f + 8 <3 and f +9>-4. What/how do I find the answer
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10/15/15

Decaying question
There is a radioactive substance we have stumbled upon and we start doing some tests with it. We realize it is decaying. It is useful to us as long as we have at least 25% of the initial amount we... more
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10/14/15

A brand new candle is 12 inches long. After 3 hours, it is 10 inches long. What's the equation for this problem?
  y = 3x + 2 y = (-2/3)x + 10 y = (-3/2)x + 12 y = (-2/3)x + 12 y = (2/3)x + 12
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10/14/15

rachel has $1.20 in only pennies and nickels. if she has exactly 36 coins in all find the number of pennies and nickels she has
please help me with this problem
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10/14/15

Word problem that has to do with percents and finding how much to use
a metallurgist needs to make 15 pounds of an alloy containing 40% gold by melting and combining two metals that have 50% gold and 35% gold. How much of each should he use
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10/14/15

what is the minimum radius of canopy required for a beech with trunk diameter 2 meters
A nature breech tree requires at least 20m2  of exterior canopy area per cubic meter of trunk volume. model the canopy with a hemisphere, and model the trunk using a cylinder whose height is three... more
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10/14/15

How to solve the quadratic using factoring
How to solve the quadratic using factorin: 21X*2+X=2
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10/13/15

Degree 5; zeros: -1;-i; 7+i enter the polynomial. f(x)=a(.....)
 Degree 5; zeros: -1;-i; 7+i enter the polynomial. f(x)=a(.....)
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10/13/15

Factor: 27b^{9}a^{6} - 64c^{3}
Advanced Mathematics
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10/13/15

algebra word problem
It takes 20 minutes to fill a wading pool. The pool has developed a leak through which it will empty in 30 minutes. If the hole is not fixed, how long will it take to fill the wading pool?
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10/13/15

ramon ate at a restaurant and gave the servera 4 dallor tip. the tip was 20% of the cost of the meal. how much was the meal
 can u please answer the questio i have been stuck on this question for a long time thank u if u help me  
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10/13/15

which of the following is equal to
Let f(x) = 4- 3x    which of the following is equal to f’ (-1)   a) -7               b) 7            c) -3              d) 3                e) cannot be determined    Where do i start ? 
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10/12/15

Pipe A can fill a tank in 15 hours. Pipe A + B can fill it in 6 hours. How long for pipe B by itself to fill the thank?
Word problem
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10/12/15

Express the set -4x+21=3x+14 using interval notation.
 I have figured out the answer but not sure how to set up the interval notation
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10/12/15

A recipe calls for of a cup of milk for 10 cookies. How many cups of milk are needed to make 60 cookies?
 Can someone please answer  
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10/12/15

how do I find the variable? 8(x-2)
How do I find the variable in this question 8(x-2)
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10/12/15

The children argued about the actor _____ should receive the award. In the blank, does "who" or "whom" go in it?
If you want, please tell why.
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10/11/15

Invalid or valid
All nonengineers are not mathematicians. Bobby is a mathmetician. Therefore, Bobby is an engineer.
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10/11/15

Word problem with combined operations
A RN oders 65 growth charts one month, 95 growth charts the second month, and 125 growth charts the third month. What was the total cost of the charts? (note: the cost of the charts for each month... more
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10/11/15

Add these vectors or subtract them?
  A jet plane set to be on a velocity and course of 840 knots, 44 degrees south of west encounters wind. The flight tower shows that their actual velocity and path is 840 knots, 49 degrees south... more
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