01/27/16

4x^3+2x^2–2x–1
answer 4x^3+2x^2–2x–1
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01/27/16

-4.7 reciprocal
-4.7 reciprocal
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01/26/16

Ethan went on a bike ride of 36 miles. He realized that if he had gone 6 mph faster, he would have arrived 3 hours sooner. How fast did he actually ride?
Ethan went on a bike ride of 36 miles. He realized that if he had gone 6 mph faster, he would have arrived 3 hours sooner. How fast did he actually ride?
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01/26/16

how far does a bouncing ball travel if dropped from a window 16 meters above ground. on each bounce it rises 1/2 the distance of the previous bounce.
A rubber bouncing ball is dropped from a window 16 meters above a sidewalk. On each bounce, it rises half the distance of the previous bounce. The ball is caught when it bounces back up to only one... more
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01/25/16

Find the length of Roosevelt's moustache on the monument
The actual Mount Rushmore carving was made from a scale with a scale of 1 in = 1 ft. On the model, Teddy Roosevelt's moustache was 1ft and 8in long
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01/25/16

Please help me with function decomposition? Pre-Calculus?? Very confused!
1. Given the composition h(x)=f(g(x)) If h(x)=(x+3)^8 and f(x)=x^8, find the function g(x).           2. Given the composition h(x)=f(g(x))If h(x)=1/x+3 and g(x)=x+3 , find the function... more
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01/25/16

solving an equation with a radical
what are the solutions to the equation: the square root of x+5 + the square root of x-5 = 10
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01/25/16

how do you find the center for the equation x^2-2x+y^2-2y=6
I need help finding the center for this equation for precalculus .  
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01/24/16

a 2 digit number has a value 1 more than 5 time the sum of its digits unit digit is 1 more than tens digit. write equation. x = 1st digit and y = 2nd digit
need help. have to show work.
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01/24/16

Whats the speed of the wind? and whats the speed of the plane in still air?
a plane takes two hours to travel 1000 miles with the wind. in the same time, it can travel only 808 miles against the wind.
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01/24/16

How many students can a van carry? How many students can a bus carry?
The indoor  climbing gym is a popular field trip destination. This year the senior class at High School A and the senior class of High School B both planned a trip there. The senior class at High... more
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01/24/16

Solve t-9tv+20=0
Solve t−9t√+20=0t = Hint: Substitute y=t√, and treat this like a quadratic equation.
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01/24/16

Trigonometric identities
Use a common denominator to express the rational expression as a single term   (sinx)/(1+cosx) + (cosx)/(sinx)   the answer is cscx
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01/24/16

Trignometric identities
Simplify the expression to a single primary trig ratio?   (cos2x-1)/ (sin2x)   The answer was -tanx but I don't know why. Please help, thank you.
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01/23/16

Finding the equation of a parabola without zeros
Hi, I'm being asked to determine equation of a parabola without the zeros I'm not too sure what that means to be honest, But, lets say you get 3 points of a parabola, none of them are "zeros",... more
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01/22/16

Write the number in the form a + bi.
√-4+10(The square-root of -4, plus 10)
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01/22/16

how many 2 letter words can be formed using the english alphabet if the 2 letters are not the same?(they don't have to be actual words)
Please explain how to get the answer
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01/22/16

The equation for a parabola, in vertex form, is y = -3(x + 4)² + 2.
What is the reflection point for the y-intercept? (Hint: You need to first determine the axis of symmetry and y-intercept. Then give me the reflection point for the y-intercept, as a point: (x,y).... more
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01/22/16

I thought the equation was y=mx+ b! Plus B!!!!! bu...
I thought the equation was y=mx+ b! Plus B!!!!! but my homework says y=-7/5x - 3???????!!!! 
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01/22/16

3/2, 9/4, 3, 15/4. what is the formula for this sequence?
i have a hard time with math and fractions so i  need help figuring out this sequence formula above.
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01/22/16

prove that the recurring decimal 0.39 = 13/33 by the way the 0.39 is supposed to have a dot on 3 and a dot on 9
prove that the recurring decimal 0.39 = 13/33 by the way the 0.39 is supposed to have a dot on 3 and a dot on 9
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01/22/16

2^(2x+14)=3^(x-17)
Could someone please explain to me the steps to solving this problem. I know it has something to do with logarithms.
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01/21/16

What is the radius of the circle and which point lies on the circle?
A circle is centered at the point (-3, 2) and passes through the point (1, 5). For the point they want us to find, they give you the first number, which is (-7,?)
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01/20/16

$80 is to be divided between Alex and David in the ratio 5:11. How much does each get?
A problem that I can't figure out. Please help me. I would really  appreciate it if I could get help with this question
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01/20/16

Solve G(x) for the given domain. G(x) = 3x 2 - 2x - 1 G(a + b) =
I struggle at algebra 3 and would be happy for someone to help me out.
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