11/25/18

The line y = mx + 4 is a tangent to y = 3x^2 + 5x + 7. Find the value of m.
Working out please!Step by step..Thank you!
Follows • 0
Expert Answers •1

11/13/18

Simple Urgent question: voltage for circuit
A 6V battery, three resistors and three voltmeters are connected. What are the possible readings for each voltmeter?My answer: 3V for top resistor, 3V for second resistor and 6V for the bottom... more
Follows • 1
Expert Answers •1

11/08/18

How do you simplify 6-√ -8/2?
I have a lot of trouble simplifying negative square roots because I don’t understand how to do it.
Follows • 1
Expert Answers •1

11/07/18

You wish to test the following claim ( H a ) at a significance level of α = 0.001 .
You wish to test the following claim (Ha) at a significance level of α=0.001.      Ho:μ=72.6       Ha:μ≠72.6You believe the population is normally distributed and you know the standard deviation... more
Follows • 1
Expert Answers •1

11/07/18

Statistics introduction. I think the answer is 1/3.
Once again, the electricity in my house went out as I was pulling the socks out of the dryer. I had only six single socks in there, a mix of red and blue. If I only pull out two socks the chances I... more
Follows • 0
Expert Answers •1

11/07/18

Linear programming

A health food store is creating smoothies with soy protein and vitamin supplements. A soy joy smoothie cost $2.75 and uses 2 ounces of soy and 1 ounce of vitamin supplements. A vitamin boost... more
Follows • 1
Expert Answers •1

11/02/18

The primary of a transformer connected to 70 V has 10 turns. The secondary has 150 turns. Find the output voltage. This is a step-up transformer.
Transformer relationship: Primary voltage/Number of primary turns=secondary voltage/number of secondaryturns
Follows • 1
Expert Answers •1

10/29/18

Internal resistance

When a 12 V batter with 1Ω internal resistance is connected to a motor, it delivers a current of 2.4 A. The battery is now replaced with a new battery with the same emf but a different internal... more
Follows • 1
Expert Answers •1

10/28/18

How many customers did it take to make 22,500 sales.
4 types of customers bought 22,500 times in 1 year : 10% bought 1 time 12% bought 3 times 15% bought 6 times 63% bought 12 times How many customers total bought in 1 year?
Follows • 1
Expert Answers •1

10/25/18

How do you graph y = 2|x-3|using two linear equations?

Follows • 1
Expert Answers •1

10/20/18

A transformer has a primary voltage of 549 V and a primary current of 121.66 A. The ratio of primary to secondary loops is 440. What is the current in the secondary?
(show units: type V for Volts, A for amps, ohms for Ω , W for Watts, eV for electron volts, Hz for Hertz, N for newtons,  m for meters, s for seconds, J for Joules, cal for calories, m/s for meters... more
Follows • 1
Expert Answers •1

10/18/18

If a seed is planted, it has a 95% chance of growing into a healthy plant. If 9 seeds are planted, what is the probability that exactly 1 doesn't grow?
Follows • 1
Expert Answers •1

10/14/18

the normal approximation to the binomial distribution
a magazine reported that 6% of american drivers admit to reading a newspaper while driving. if 500 drivers are selected at random, find the probability that exactly 40 will admit to reading the... more
Follows • 0
Expert Answers •1

10/08/18

Don't understand Kolmogorov-Smirnov test
I am stumped doing a journal club for class. I am looking at a scientific article in which they used the "Kolmogorov-Smirnov test" and I have no idea what that is. I'm trying to decipher if it was... more
Follows • 1
Expert Answers •1

09/19/18

Ann and Nancy use a metal alloy that is 21% copper to make jewelry how many ounces of an alloy that is 18% copper must be mixed with an alloy that is 23% copper
What's the answer?
Follows • 1
Expert Answers •1

09/05/18

A person drops a penny from the top of a tall building and it takes 15 seconds to hit the ground. Using the acceleration -9.8 m/s^2, how tall is the building?
HELP!!!!!!!
Follows • 1
Expert Answers •1

08/29/18

Differentiate w.r.t. x sin^(-1)⁡〖(3x-4x)〗
i need help on how to Differentiate sin^(-1)⁡〖(3x-4x)〗 
Follows • 1
Expert Answers •1

06/25/18

Use Lagrange multipliers to find the maximum and minimum values of f(x,y)=5x+y on the ellipse x^2+36y^2=1.
 Use Lagrange multipliers to find the maximum and minimum values
Follows • 1
Expert Answers •1

05/02/18

Conditional Probability
Jack and Jill are not particularly good at getting to work on time. The probability that Jill arrives on time is 0.68. The probability that Jack arrives on time is 0.75. But if Jill has made it to... more
Follows • 1
Expert Answers •1

04/10/18

Thermodynamics Question
A 95-slug automobile changes speed from 55 mi/h to 30 mi/h while climbing a 3° hill. If the change in speed occurs over a 1335-ft straight section of road, find the total work. Answer: -270 ft... more
Follows • 2
Expert Answers •1

03/26/18

integration of sinx +cosx/16 + 9sin2x w.r.t. x
integration of sinx +cosx/16 + 9sin2x w.r.t. x
Follows • 1
Expert Answers •1

03/22/18

Find the derivative of the function. f'(x)= arccsc 8x
Find the derivative of the function. f'(x)= arccsc 8x
Follows • 1
Expert Answers •1

03/15/18

mary drove 150 miles in three hours. What washer average rate of speed
Using the formula D=r? t where D equals distance traveled, r equals the average rate of speed, and t equals the time traveled, choose the expression or equation that correctly represents this... more
Follows • 1
Expert Answers •1

03/12/18

Rational Expression Quations
If the voltage V in an electric circuit is held constant, the current I is inversely proportional to the resistance R . If the current is 60 amperes when the resistance is 204 ohms, find the... more
Follows • 1
Expert Answers •1

03/11/18

Differentials to find approximate amount of paint
A coat of paint of thickness 0.06 cm is to be applied uniformly to the faces of a cube of edge 32 cm. Use differentials to find the approximate amount of paint required for the job, correct to the... 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.