01/04/20

Please help: calculus prob
The graph of the derivative, f '(x) is shown below. On what interval is the graph of f (x) concave up?Option: Concave up on (-∞, -1) Concave up on (-∞, -∞) Concave up on (-1, ∞) Concave up on (-6,... more
Follows • 1
Expert Answers •1

12/28/19

Calculating amounts
Greetings, if you have 144 people per 10,000 with an illness. How many people would that be for 260 million people. I just want to understand the calculation. I did it a couple of different ways,... more
Follows • 1
Expert Answers •2

12/24/19

Help to find the area of both TV's
The screen size of a television is determined by the length of the diagonal of the rectangular screen. traditional elevisions come in a 4:3 format, meaning the ratio of the length to width of the... more
Follows • 1
Expert Answers •1

12/16/19

you have 80 yards of fencing to enclose a rectanglular region. Find the dimensions of the rectangle that maximize the enclosed area what is the maximum area
Follows • 1
Expert Answers •1

12/03/19

Convert The Angle of Measure from Radians to Degrees
Convert the angle measure from radians to degrees. (Enter your answer in exact form.)θ=4pi/7
Follows • 1
Expert Answers •2

12/03/19

Math question !! need help ASAP !!!
nets nets store sells cashew for six dollars per pound and peanuts for 4.50 a pound. How much of each must be mixed to get 20 pounds of a mixture that can be sold for five dollars a pound
Follows • 1
Expert Answers •1

11/24/19

Parralel Equation?? Help
Write an equation in slope intercept form for the line that passes through the given point and is parallel to the following equationPoint: (3,1)Equation: 2x+y=5
Follows • 1
Expert Answers •2

11/24/19

How much money must be deposited today to become $1750 in 40 years at 5.5% compounded continuously

Follows • 1
Expert Answers •1

11/23/19

dielectric of capacitors
a dielectric with the dielectric constant k=4 is inserted into a parallel plate capacitor, filling 1/3 of the volume. if the capacitance of the capacitor without the dielectric is c whats is the... more
Follows • 1
Expert Answers •1

11/19/19

A number increased by 1 is less than 9
Follows • 1
Expert Answers •2

10/16/19

Integer solution to the equation 3x+4=7y
An integer solution to the equation 3x + 4 = 7yis an ordered pair of integers (x, y) that satisfies the equation. For example, (1, 1) is one such solution. Write the set of all integer solutions to... more
Follows • 1
Expert Answers •1

10/10/19

I'm ready to give up
Find the range of the function y=3/4x+17 when the domain is (-12,-4,8)
Follows • 1
Expert Answers •2

10/09/19

Inverse Variation

The resistance, R (in ohms), of a wire varies directly with the length , L (in cm), of the wire, and inversely with the cross-sectional area, A (in cm^2). A 500 cm piece of wire with a radius of... more
Follows • 1
Expert Answers •1

10/09/19

Could you please help me
a kayaker travels x miles per hour downstream for 4 hours. on the 6-hour return trip the kayaker travels 2 mile per hour slower. How far did the kayaker travel in total
Follows • 1
Expert Answers •1

10/02/19

Trying to explain this to help my son
 Based on data about the growth of a variety of ornamental trees, the following logarithmic model about these trees was determined:                h(t) = 6.108 ln(t) + 6.099, where t = age of tree... more
Follows • 1
Expert Answers •3

09/29/19

Mathematical Induction
How to prove this with mathematical induction?
Follows • 1
Expert Answers •1

09/18/19

to question in math 115,Need answer
Complex numbers are used to describe​ current, I,​ voltage, E, and​ impedance, Z. These three quantities are related by the equation E=IZ. Given two of these​ quantities, solve the equation E=IZ... more
Follows • 1
Expert Answers •1

07/24/19

Probability Distribution

A bag contains 3 gold marbles, 6 silver marbles, and 24 black marbles. You randomly select one marble from the bag. What is the probability that you select a gold marble? answer as a reduced... more
Follows • 2
Expert Answers •3

07/21/19

math question (solving equation for x in terms of other letters)
equation: 1/a - 1/x = 1/x - 1/b
Follows • 1
Expert Answers •1

07/20/19

Can sin (A+B) = sin A+ sin B
Is it ever possible that sin(A+B)= sin⁡ A+sin⁡ B? If so, explain how. If not, explain why not.
Follows • 3
Expert Answers •2

07/08/19

cos(theta)= 1/2 List 6 specific solutions.
Follows • 1
Expert Answers •1

07/06/19

Find the least natural number such that the number is divisible by 75 and all its digits are 1 or 0 only.

Is there any trick to be able to do this fast?
Follows • 1
Expert Answers •1

06/26/19

For the following geometric sequence, determine a1 and r and find an explicit formula for the sequence
1)   2, -6, 18, -54… a)   What is a1?b)   What is the common ratio r?c) Write an explicit formula for an using the formula for geometric sequences an = a1*(r)n – 1.
Follows • 1
Expert Answers •1

06/15/19

algebra binomials
A certain unfair coin lands on headsheads 1/3rdof the time. This coin is tossed 6times. Find the probability of getting the following.All heads
Follows • 1
Expert Answers •1

06/09/19

Salary plus Commision Equation
Jasmin gets paid a base salary of $700 a week. She also gets paid an additional $20 for ever 50 items she sells.I have to write an expression to represent this relationship. I have an equation but... more
Follows • 1
Expert Answers •1

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.