05/30/15

f(x) = -9x2 + 8x + 5. what is the aproximate value of x if f(x)=0
  a. {1.31, –0.42}b. {-9, 8} c. {–0.89, –0.56} d. {–1.80, 1.60}
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05/29/15

I just needed a fast answer to "Explain why a linear equasion and a linear inequality can or can't be solved the same way. What makes them different?
I'm trying to understand the question myself, this is my third attempt at Algebra 1, I suck in Math, I'm 58, and need Math 208 and 209 to get my degree or I don't get one.  So I'm in my 2nd week... more
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05/29/15

Find the indicated term for each sequence, whose general term is given.
an=-n2;a15    
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05/29/15

If a student has 64% attendance and they need to be at 90% how many days are that?
They go 6 days a week for 8 hours. How many days will they have to be there to be back at 90% attendacE?
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05/29/15

The smaller of two integers is two-ninths of the larger and their difference is at least 35. Find the smallest possible integers
The smaller of two integers is two-ninths of the larger and their difference is at least 35. Find the smallest possible integers
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05/29/15

There are about 1.01 million k-12 students in Indiana. Indiana spends about $11,700 per pupil.
scientific notation
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05/29/15

Test coming up and need to know all this stuff, just steps for me to study and learn please, my notes aren't making sense
1. Non permissible values: what are the non-permissible values of -3m + 1 over 2m2-m-3   2. Multiplying and dividing rational expressions   simplify. Determine all non-permissible... more
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05/28/15

determine the length of a leg of a right triangle using the Pythagorean theorem
Solve a problem using inequalities in a triangle
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05/27/15

The admission fee at a small fair is $3 for children and $4.50 for adults. On Sunday, 1000 people went to the fair and $4050 were raised. How many children and
Systems of Equations.
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05/11/15

Is there a word/phrase for what I am thinking of?
Hi! So I am currently writing an essay that all depends on whether or not I agree with a statement about the topic of a book we are reading. In the essay, I would like to begin with summarizing the... more
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05/11/15

i don't understand how to combine like terms for x-.2x=56. please help!
I don't understand how x-.2x combines to .8x? plz explain to me!
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05/11/15

Piecewise function
This is a piecewise function....I'm not understanding my notes in class...can someone explain how to solve this please?f(x)= 1/4x+2 if x < -2 -(x-1)^2+1 if -2≤x≤2               2 if x>2solve... more
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05/11/15

An object dropped from 256 above the ground has a height of -16t^2+256 feet after t seconds. Factor this polynomial.
math word problem
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05/11/15

Material to make a box with 2 square ends is given by the polynomial 2x^2+4xy, where x is length of the ends and y is length of other sides.Factor.
math word problem
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05/11/15

Evaluate the expression.
Evaluate the expression. r = <7, -3, -7>, v = <4, 6, -5>, w = <-5, -6, -3> v ⋅ w -41 <-20, -36, 15> <-28, 18, -35>... more
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05/11/15

Determine whether a triangle can be formed with the given side lengths. If so, use Heron's formula to find the area of the triangle.
Determine whether a triangle can be formed with the given side lengths. If so, use Heron's formula to find the area of the triangle. a = 240 b = 132 c = 330 No triangle is formed. 30,776.84... more
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05/11/15

Half Life Word Problem
What is the half-life (to nearest tenth of an hour) of a substance if 100g decays to 27g in 24h?
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05/11/15

Word Problem: Find All Numbers
find all numbers such that the sum of the number and half its reciprocal is 57/40
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05/11/15

So, if the numerator is positive but the denominators negative is it still negative???
So, if the numerator is positive but the denominator is negative but the absolute value of the numbers is the same it would still simplify to negative 1???
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05/11/15

If each shirt cost $18.00 and has a one time fee of $63 and there's 2 shirts how much is that
Nothing 
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05/11/15

a line goes through (2,5) , and the y-intercept b is 4. Find the slope m of the line
need to find the slope
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05/11/15

Two friends need to find a angle in which they can take a photo.
You and two friends, Amanda and Jason, are rock climbers. You are connected to Amanda with a taut 30m rope and Amanda and a Jason are connected to each other by a taut 25m rope. There is a 0.7156... more
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05/11/15

the real and imaginary roots of y=3x^3-7x^2-103x+35
Please help
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05/11/15

Jennifer has 30,000 to invest. She wants to invest 65% in stocks, 20% in bonds, and 15% in ash accounts.
Find out the amount of money Jennifer invests in each category.
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05/11/15

Dividing Polynomials
(35w3+18w2+32w+35)/(5w+4)
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