12/15/14

celeste hiked 1.8 miles in .75 hour what is her average rate of speed
I need help with a word problem for math i am in 8th grade math
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12/15/14

Real and complex solutions question?
I'm having trouble finding all the real and complex solutions to the equation: x^3 - 4x^2 - 2x + 20 = 0   Help is greatly appreciated!
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12/15/14

Find the distance between p(-4,-2) and q(3,2)
can some please help me with this problem?
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12/15/14

Help with infinities..
Which of the following functions have a domain of (-∞, ∞) and a range of (-2, ∞)? Check all that apply. F(x)=3^x+2 F(x)=3^x-2 F(x)=0.25^x+2 F(x)=0.25^x-2
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12/14/14

please help me I am so confused
                                                          ___   ____ IN A RIGHT TRAPEZOID WXYZ,  YX || ZW   AND M<Z = 134°  FIND M<Y  AND M<W
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12/14/14

how would you find this angle measure
In a rhombus JKLM || ___  ____ ||  ____                                        ML   LK.       MJ AND M< L= 57° find m< k, m< j , and m< M   
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12/14/14

A plane can fly 3000 miles from LA to New York in 5 hours with a tailwind. The return trip into the headwind takes 8 hours. Find the airspeed and windspeed.
This is an Algebra 1 question from my review guide.
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12/14/14

The pizza that costs $18 will be shared among a group of friends. Each friend contributes the same amount of money to pay for the pizza.
a. Write a function, C (x), that can be used to calculate the total amount of money that each friend will contribute if x number of friends split the pizza. b. As x increases, what happens to the... more
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12/14/14

The underneath side of the bridge is an arch that can be modeled with the function y = -0.000495x 2 + 0.619x.How high above the river is the bridge?
Basically I need to find the vertex.
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12/14/14

a tow truck raises the front end of a car 0.75m above the ground. If the car is 2.8m long, what angle does the car make with the ground.
D'Anise Have a good amount of training under the
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12/14/14

Which of the following quadratic functions would hAve no solution?
A) y=-4x^2+8   B) y=4x^2-8   C) y=8-4x^2   D) y=4x^2+8
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12/14/14

If sin ? = -2/3, which of the following are possible?
If sin θ = -2/3, which of the following are possible? Check all that apply.cos θ = √5/3 and tan θ = 2/ √5cos θ = - √5/3 and tan θ = 2/ √5sec θ =3/ √5 and tan θ = -2/ √5sec θ = -3/2 and tan θ =2/ √5
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12/14/14

Word pentagon
In each figure only one side of each regular pentagon is shared with another pentagon the length of each side is 1 cm if the pattern continues, what is the perimeter of a figure with 6 pentagons
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12/14/14

3^90+2^90 is divisible by
3^90+2^90 is divisible by which number
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12/13/14

a quantity modeled by the equation f(x)=10^(-kx) decreases 40% in value as x changes from 3 to 7.5. Determine the value of k.
How do I get 0.0493 as the answer?
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12/13/14

how do you do these
i have to problems can i have the answer to them and how you get it    john used $25.96 to purchase 4 candy bars how much did he spend on one bar      which of the following rational numbers... more
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12/13/14

3-5x _> 2x + 7
I need to somehow graph x on a number line. This is confusing because the numbers dont divide well into eachother 
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12/13/14

Half-life question
It is observed that the activity of the radioactive element decreases exponentially according to the formula A(t) = A(10)^-kt, and decreases to 0.35 of its original quantity in 5h. Find the... more
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12/13/14

Find the domain of the functions?
a) f(x)=log(base 2)(logx) b) f(x)=log(base 3)(9-x^2)   How to get an answer of: a)x>1 b) -3<x<3
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12/13/14

for the function y=log(base 10) x where 0<x<1000, how many integer values are possible if y>-20?
Why is the answer 2?
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12/13/14

solve the equation
5(2z-3)=9(z+2)
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12/13/14

If sin ? = -2/3, which of the following are possible?
18. If sin θ =4/5 and is in quadrant 2, the value of tan θ is _-4/3____. <---- my answer. is it correct?   3. If sin θ = -2/3, which of the following are possible? Check all that apply.cos θ =... more
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12/12/14

Show that if log_(b)a=c and log_(y)b=c, then log_(a)y=c^-2
How do I do this?
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12/12/14

Nora is now 10 times as old as charlie.In two Years Nora will be 8 times as old as much as Charlie will be then.how old was charlie 6 years ago?
i need help on this math. my teacher wasnt really explaining well. he was talkiing about football because he is the football coach . but anyways it is 7th grad math because apperently im in the... more
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12/12/14

What is the maximum number of relative extrema contained in the graph of this function?
6. What is the maximum number of relative extrema contained in the graph of this function?                    F(x)=3x^5-x^3+4x-2 7. In which direction does the left side of the graph of this... more
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