08/02/18

One person reached 250 miles of land within 5 1/2 hours and returned within 4 1/2 hours. But how much his average speed is
One person reached 250 miles of land within 5 1/2 hours and returned within 4 1/2 hours. But how much his average speed is
Follows • 2
Expert Answers •1

08/02/18

If the midpoint of point A and B is (1 ,3), what might the end points be?
Give reasons for your answer. Use mathematical terms and explain your reasons mathematically, justify your answers. Hints: draw a diagram, is there only one answer? If you have multiple solutions,... more
Follows • 2
Expert Answers •1

08/02/18

How to figure out when two cars will meet up?
Two cars are travelling at constant speeds. A Neon is travelling at 15.65 m/s and a Corvette is travelling at 18.1 m/s. When a stopwatch is started, the Corvette is 22 meters behind the Neon. How... more
Follows • 2
Expert Answers •1

08/01/18

A bike wheel has a diameter of 24 inches how many feet will it travel in 7 revolutions
How many feet will a 24 inch bike tire travel in 7 revolutions
Follows • 2
Expert Answers •1

08/01/18

the fibonacci sequence is f(n)= F(n-1)+F(n-2). If F(7)=13 and F(8)=21, Which of the following is true?
A. F(15)=34 B. F(9)=34 C. F(9)=32 D. F(6)=13
Follows • 3
Expert Answers •2

08/01/18

Please help me to answer these questions for cumulative distribution of the random variable X
The cumulative distribution of the random variable X is given by G(x) = 0                    for x<0            3x2-2x3          for 0≤x<1            1                   for x ≥1 a)Find the... more
Follows • 2
Expert Answers •1

08/01/18

A boat travels 33 miles downstream in 4 hours. The return trip takes the boat 7 hours. Find the speed of the boat in still water
A rate problem that I am having a hard time understanding.  Thank You 
Follows • 2
Expert Answers •1

08/01/18

John has 6 times s many oranges as Bill, who has one-quarter as many as Jack. If John has 24 oranges, how many does Jack have?
John has 6 times s many oranges as Bill, who has one-quarter as many as Jack. If John has 24 oranges, how many does Jack have?
Follows • 2
Expert Answers •1

08/01/18

MS smith bought 1/2 pound of apples, 3/4 pound of grapes,and 1/3 pound of lemons . How Many pound of fruit did she buy
Help me !
Follows • 2
Expert Answers •1

07/31/18

Can I use proof where I assume the statement to be true and then arrive at a known fact.
Prove x/y + y/x ≥ 2. Now the book gives (x-y)2 ≥0 and from there derived the above, hence proving it. I understand that, because you start at a known fact and end up at the thing you are trying to... more
Follows • 2
Expert Answers •1

07/31/18

Triangle Algebra Word problem
One angle in a triangle has a measure that is three times as large as the smallest angle. The measure of the third angle is 50 degrees more than that of the smallest angle. Find the measure of the... more
Follows • 2
Expert Answers •1

07/31/18

financial algebra HW help!!
the lisbon's new heat pump cost $4000. They bought it to replace their old furnace and air conditioner which cost about $2800 a year to run. The heat pump will save them approximately 39% a year.... more
Follows • 2
Expert Answers •1

07/31/18

derivatives problem
if h(x)= xcosh(x2 -4), then h''(2)=?
Follows • 2
Expert Answers •1

07/31/18

Sue rowed her boat across lake and back in 3hrs. Rate returning was 2mph less than the rate of going, the distance each way was 7miles, find her rate of going.
I need to find out the value of r or her rate on her first trip across the lake in miles per hour.
Follows • 2
Expert Answers •1

07/31/18

what is the answer to 5(a+a+a)=
 how do i do equivalent expressions
Follows • 2
Expert Answers •2

07/31/18

Problem solving
Mia had some pens. She gave 1/3 of her pens plus 1 to her brother. Then, she gave 1/3 of the remaining pens plus 4 to her sister. Finally, she gave 1/2 of what remained plus 3 pens to her... more
Follows • 2
Expert Answers •1

07/31/18

GED Ratio Probability Question
A test has two parts, A and B, each containing 10 questions. A student needs to choose 8 questions from part A and 4 questions from part B. In how many ways can he do that?
Follows • 2
Expert Answers •1

07/30/18

Exponential Functions
The population of a city was about 1.78 thousand in the year 2014, with an annual growth rate of about 1.3%. This situation is represented by the growth function P(t)=1.78(1.013)t, where t is the... more
Follows • 2
Expert Answers •2

07/30/18

License plate game question
If you assume 3 letters per license plate, how many cars would it take on average to find the entire alphabet?
Follows • 2
Expert Answers •1

07/30/18

Exponential Functions
A bacteria culture starts with 1000 bacteria and grows at a rate proportional to its size. After 2 hours there will be 2000 bacteria. (a) Express the population PP after tt hours as a function of t... more
Follows • 2
Expert Answers •1

07/29/18

enter the polynomial
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree 5; zeros: - 7 ; - i ; 9 + i
Follows • 3
Expert Answers •2

07/28/18

If COS theta = 2/3 what are all the possible angles
I need to know all the possible angles if cos theta = 2/3  
Follows • 3
Expert Answers •2

07/28/18

Limit of a cotangent function as x approaches infinity?
Is the limit well defined?Why or why not? the limit as x → ∞ of Cot ((x^2+1)/(x+3))
Follows • 2
Expert Answers •1

07/27/18

Rational Equations math problem
The formula for finding the area of a trapezoid is A=(a+b/2)h  where A is the area, a is the top width, b is the bottom width and h is the height. Rearrange the formula to solve for the top width... more
Follows • 2
Expert Answers •1

07/27/18

Steven has 2010 dollars. He donate 10dollars everyday and his first donation is on Monday. Which day is his last donation?
How can i get the answer with counting one by one? 
Follows • 2
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.