01/27/15

Find the measure of angle A

Angle A has the property that five times it complement is equal to twice its supplement. Find the measure of Angle A.

01/27/15

total cost function

A company buys and sells baseball caps. The total cost function is linear,  the total cost of 200 caps is 2680, and the total cost of 500 caps is 3500. Write the equation that models this cost... more

word problem

Mrs.Gargantua thinks she finally may have found a medicine which will remove the blackness from her teeth. But first she has to mix a liquid containing 4% reactor fuel with a liquid containing 20%... more

explain why solving a system of equations graphically can be difficult?

use y=2x-5 and y=-x+3 as your example  

01/27/15

How many months should a judge sentence a convicted criminal?

The mean time in prison for a crime y can be found as a function of the mean sentence length x, using the equation y=0.554x-2.886, where x and y are measured in months. how many months should a... more

01/27/15

it takes 2 people 4 hours to build 1 cabinet. How many people would it take to build 68 cabinets in 8 hours?

Your cabinet business gets a rush order for 68 cabinets. It takes 2 people 4 hours to build 1 cabinet. How many people would it take to build 68 cabinets in 8 hours?

The U.S has produced over 288.7 billion pennies. one penny is 0.75 inches in length. if the pennies were lined up, how long would the line be?

I have tried 216.5 billion inches, 216.53 billion inches, and 217 billion inches and they were all wrong. 

Sine fuction

If the amplitude, is sqrt(21) and the period is (10/3)pi, what is the sine function equation f(x)=   ?

01/26/15

if the diagonals of two squares are in the ratio 2:5, then what will the ratio of their areas be?

 there are no more additional details

3v^2+4v-1=0

Find all real or imaginary solutions to the equation

01/26/15

Story problems

If the distance from your friend's house to the nearest Chuck E. Cheese is 3 fathoms and you know that you can jog an average of 4 fathoms per hour, how many minutes would it take to jog from your... more

01/26/15

What is the equation of the line slope intercept form?

y-7=5/3x-1

-(q+13)-(5+11q)

Expand the expression and combine the like terms

In angle ABC, angle A=47, and angle C=41. What's angle B?

Geometry word problems

01/26/15

a girl walks 3/5 of mile in 10 minutes, how far will she walk in 60 minutes

not sure how to explain how to calculate to our son with "new" math  

Find all the zeros for each polynomial : f(x)=x^7+x^6-x^5-x^4-x^3-x^2+x+1

possible zeros: total zeros: synthetic division: solving a quadratic (if necessary) answer (list the zeros and the factoted form of f(x) 

01/26/15

find the discrimanant and tell the number and type of solutions

find the discrimanant and tell the number and type of solutions of the equation   2d^2+d=1

01/26/15

Find three consecutive intergers

such that two times the first interger, plus three times the second, minus the third, is equal to twent-one. Then  write an equation using the unknows solve the equations to find the intergers

a right angle triangle where sides A and B are 30 ft long, how long is side C?

I just need to find an answer to my question as follows:  you have a right angle triangle and 2 sides are a 90 degree are 30ft long, how long is the third side?

01/26/15

The points plotted below satisfy a polynomial equation. What type of extreme value does the graph have in the part that is visible?

http://media.apexlearning.com/Images/200708/28/aa13d790-ef6e-467e-8e08-7dbc32ae7f31.gif    A.maximum B.minimum c.none

01/26/15

Small Rate Differences #12-14

Fred invests $1500 at 2.5% APR compounded weekly, and George invests $1500 at 2.55% APR compounded weekly.  How much money does Fred have after 11 years?  How much money does George have after 11... more

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