Search 75,566 tutors

# Select the x-coordinate of the vertex of the parabola defined by the function f(x) = -7x2 + 3x + 5.

a. -7/3 b. 5 c. 3/14 d. -3/7

# Whats -6(4-3x)-5x= ?x + ?

I dont know where to start from im really comfused especially on the x part ! Please help me

# The circumference of an imperfect shape

I have an imperfect shape and I need to know the circumference of half of it. I am working on a computer programme which unfortunately does not allow you to measure curves, only straight...

# if equations, y=1/(x-1) + 1/(x-2) + 1/(x-3) + 1/(x-4) and y=k*x has exactly four solution.

please find total number of possible values of k  with explanation.please show graph if possible for you.thank you.

# word problem

A family has two cars. The first car has a fuel efficiency of 15 miles per gallon of gas and the second has a fuel efficiency of 25 miles per gallon of gas. During one particular week, the two cars...

# This is a question of floors and logarithms and bases and cabbages and kings and why the sea is boiling hot and whether pigs have wings.

Ok the literary reference is possibly not part of this question.  Is there a function to make x into the highest multiple of 8 the is lower than or equal to x? For instance, 13 would become...

# Fifteen census takers walked. That number was 30% of all the census takers . How many collectors were out walking that day?

Fifteen census takers walked our neighborhood on Friday. That number was 30% of all the census takers who collected data that day. How many collectors were out walking that day?

# word problem

Goran works as a tutor for \$13 an hour and as a waiter for \$11 an hour. This month, he worked a combined total of 98 hours at his two jobs. Let t be the number of hours Goran worked as a tutor this...

Find the zeros of each function by using the quadratic formula.  1.) f(x)=3x^2-10x+3 2.) p(x)=2x^2-7x-8 3.) r(x)=x^2+c+1 4.) g(x)=x^2-x-5 Find the type and number...

# Determine the type of function and/or formula that would be the best model.

Determine the interest earned on an investment if the interest is compounded monthly for 4 years.   Determine the amount owed to a babysitter, if he charges \$7/hour.   Calculate...

# Identify the type of growth as linear, quadratic, cubic, or exponential.

1, 3, 5, 7, 9, …   2, 3, 5, 9, 17, …   4, 9, 16, 25, 36, …   4, 15, 85, 156, …

# y=1/(x-1) +1/(x-2) +1/(x-3) +1/(x-4)

solve for four solution

# 15 1/4 of what number is 45.75

15 1/4 of what number is 45.75   x/-4=24.4   6 5/8 convert to percentage   what is 0.9% of \$34

# my living room is 15`×21` my hall way is 3`×10` how much will it take to fill this area?

What is the total square footage I need

# reflection with light waves

1.  an object which absorbs most of the light waves which strike it but reflect the blue frequency   a.  is opaque and appears blue b.  is transparent and appears...

# Determine the corresponding ordered pair of the point on the unit circle for the following angle: 17 pi over 6

Choices are ;   (- sqrt 3/2, 1/2)   (sqrt 3/2, 1/2)   (- sqrt 3/2, - 1/2)   ( sqrt 3/2, -1/2)

# help with transparent light

a transparent object made of glass without any color   a.  absorbs all frequencies of visible light and re-emits them from atom to atom through the object b.  absorbs all...

# A surgical technologist made \$39,360 last year. He is paid twice a month. What is the gross or total amount of each of his paychecks?

I need to know how to understand and work on this problem

Math problem

# A car engine turns 900 revolutions per minute while idling. How many revolutions does a car engine turn in one second while idling?

A car engine turns 900 revolutions per minute while idling. How many revolutions does a car engine turn in one second while idling?