09/10/16

If y is one of roots of equation 4x^2+2x-1=0 Then the other root is ?
Your options are  3y3-4y 4y3-3y 2y3-3y
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09/09/16

How to write significant figures, when measuring the length of a test tube I wrote the length of the test tube was 9.5cm but that is incorrect.
Question for my chemistry lab
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09/09/16

please show steps for this scientific notation problem...
what are the steps to solve this please...   (5*103)/(2*102)
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09/09/16

Classify the system and give the number of solutions.
{-2y+2x=3 {-5y+5x=12
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09/09/16

Find all points on the x-axis that are a distance 8 from P(5, -7)
smaller x value and larger x value  
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09/09/16

-4x(x - 7)(x - 8)
What is the domain of the function using interval notation?  
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09/09/16

A supply bag is dropped from a rescue plane. After the bag falls for 2 seconds, what is the velocity of the bag?
Physics word problem. 
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09/09/16

Order of Operations
3 x2+5xy+y2  When x=2 y=5
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09/09/16

Please help, thanks!
If A is directly proportional to C and B is directly proportional to C, prove that each of the following is directly proportional to C.    a) A+B b) A–B c)√AB
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09/08/16

which equation you would choose to solve for one of the variables?
x+4y=30 x-2y=0       5x+3y=11 5x-y=5       x-y=-3  4x+3y=-5 
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09/08/16

What's 13 * 1 simplified?
 I'm trying to study, but I don't get this question.
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09/08/16

Does tan^2(x)*sin^2(x) equal to tan^2(x) - sin^2(x).
Because if you take: tan^2(x) + 1 = sec^2(x) then tan^2(x) = sec^2(x) - 1. And if we input that into the original then sec^2(x) * sin^2(x) - sin^2(x) or tan^2(x) - sin^2(x) which seems weird
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09/08/16

A car drives an avg speed of 65 mph drives to Florida(1200miles) what is the drive time? No stops also
No stops either 
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09/08/16

silver has a density of 10.5 g/cm^3 and gold has a density of 19.3 g/cm^3. which would have a greater mass, 5 cm^3 of silver or 5cm^3 of gold?
I just need help explaining it step by step
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09/08/16

When n=6, the value of the function is 2.When n=12,the value is 4.Which of the expression explains what the calculator will display when any number,n,is entered
n/3   n-4   n-8   2n-10   2n-20     
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09/08/16

Twice a number x + 4 is at least 10 and no more than 16. For what values of x are these conditions satisfied?
this is what I have for the formula, but I can't match the answer the teacher provided.  2(x +) > 10 or 2(x+1) < 16
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09/08/16

The speed of one train exceeds twice the speed of another by 30mph. If r mph is the speed of the slower train, which of the following expresses the speed,in mph
A  R plus 15  B  r minus 30  C  r plues 30 D  2r minus 30  E  2r plus 30 
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09/08/16

Ms. Jackson is serving fried turkey at 5:00 pm The 12-pound turkey has to coot 3 minutes per pound. What is the latest Ms. Jackson can star cooking
 What is the latest Ms. Jackson can star cooking?
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09/08/16

what is -54m-27+6+24m=
i would like to know the steps on how to do the problem.
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09/08/16

Find the midpoint of the line segment with the given endpoints - Show Work
(8,-10), (-1,-6)
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09/08/16

Find the distance between each pair of points. Round your answer to the nearest tenth, if necessary. - Show Work
(-5,0), (1,-5)
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09/08/16

Solve for A
√A/π
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09/08/16

39 is 7 less than triple a number
39 is 7 less than  triple a number
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09/08/16

Free fall word problem
A ball is thrown upward with an initial velocity of 19.6m/s.what is the max height the ball will reach before falling back down?   Just want to check if my answer is correct, I ended up with 19.6m
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09/07/16

A high school graduating class is made up of 451 students. There are 67 more girls than boys. How many boys are in the class
How do I set it up
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