09/03/19

I NEED HELP QUICK
The sum of the speeds of two trains is 725.8 miles per hour. If the speed of the first train is 10.2 mph faster than that of the second​ train, find the speeds of each train.
Follows • 1
Expert Answers •1

09/03/19

The perimeter of a rectangle is 96 yards. The length of the rectangle is 6 yards less than 3 times the width. Find the length and width of the rectangle.
Follows • 1
Expert Answers •1

09/03/19

oko has bought 18 pounds of dog food. She feeds her dog 23 pounds for each meal. For how many meals will the food last?
Follows • 1
Expert Answers •1

09/03/19

How long can Julie run 3 miles

It takes Danny 2/3 of an hour to jog 3 miles if julie can jog the same distance in 2/3 of the time that Danny can, how long does it take Julie to jog 3 miles
Follows • 1
Expert Answers •1

09/03/19

I need help understanding Statistics. Not looking for answers, only guidance.
I am having a hard time understanding how to compare z scores to the critical values. I already used Minitab Express to find the z scores. Could someone please explain how I can go about finding... more
Follows • 2
Expert Answers •1

09/03/19

Given B is the midpoint of AC AB=10y-8, BC=5y+22
Follows • 1
Expert Answers •2

09/03/19

Use the four-step process to find the slope of the tangent line to the graph of the given function at any point. f(x) = −7x2 + 10x
Follows • 1
Expert Answers •2

09/03/19

x represents the quantity demanded in units of a thousand and p the unit price in dollars, find the equilibrium quantity and the equilibrium price. p = 83 − 4x2 and p = x2 + 15x + 33
Follows • 1
Expert Answers •1

09/03/19

A manufacturer has a monthly fixed cost of $25,500 and a production cost of $7 for each unit produced. The product sells for $10/unit(c) What is the profit function? P(x) =

d) Compute the profit (loss) corresponding to production levels of 7,000 and 10,000 units. P(7,000) = P(10,000) =
Follows • 1
Expert Answers •1

09/03/19

Let f(x)=x^2 g(x)=2x+5 h(x)=x^2-1 find f[g(x-1)]
Follows • 1
Expert Answers •1

09/03/19

Basic stats using geometric probability distribution

Use the geometric probability distribution to solve the following problem.On the leeward side of the island of Oahu, in a small village, about 90% of the residents are of Hawaiian ancestry. Let n =... more
Follows • 1
Expert Answers •1

09/02/19

Let a>0 and b>0. Then prove that a<b↔a^2<b^2↔√a<√b.
Follows • 1
Expert Answers •1

09/02/19

If a heptagon has an area of 105in^2, what is the measure of one side?
I have to use something similar to this : 360 / 5 = 7272 = top of one angle180 - 72 = 108 , 108 / 2 = 5454 = side angleArea = 1/2* Base* Heighttan (54) = h (3/2)h = 1.5*tan (54), h = 2.06A = 1/2... more
Follows • 1
Expert Answers •1

09/02/19

A pentagon’s radius (measure from center to vertex) measures 4 cm, what is the pentagon’s area?
I have to use this method to answer this question which is : 360 / 6 = 6060 = top of one angle180 - 60 = 120, 120 / 2 = 6060 = side angleArea = 1/2*Base*Heighttan (60) = h (10/2)h = 5 * tan (60), h... more
Follows • 1
Expert Answers •1

09/02/19

Factoring; Functions
The figure below shows a graph of the function f(x) in the coordinate plane. A second function, g, is defined by g(x) = -3x + 2.a) Graph g(x) on the same coordinate plane with f(x).b) How does f(2)... more
Follows • 1
Expert Answers •1

09/02/19

Use intervals to describe the real numbers satisfying the inequalities
If f(x) = x2 - 2x, find f(a+1) and f(a+2)
Follows • 1
Expert Answers •1

09/02/19

Algebra and fractions
15x=1/3 how do I solve this expression?
Follows • 1
Expert Answers •1

09/02/19

P( Value less is than $0.20)
Follows • 1
Expert Answers •1

08/31/19

math help trigonometry
A guy wire 1902 feet long is attached to the top of a tower. When pulled taut, it touches level ground 612 feet from the base of the tower. What angle does the wire make with the ground? Express... more
Follows • 1
Expert Answers •1

08/31/19

geometry homework
Point C(3,8) is the midpoint of AB. One endpoint is A(21,5). Find the coordinates of endpoint B.
Follows • 1
Expert Answers •1

08/31/19

Solving equations
the perimenter of a playing field is 566 yards. the length is 7 yards less than quadriple the width. Find the length and width
Follows • 1
Expert Answers •1

08/31/19

MATH HELP TRIGONOMETRY
TV screens are measured on the diagonal. If we have a TV-cabinet that is 62 inches long and 50 inches high, how large a TV could we put in the space (leave 2-inches on all sides for the edging of... more
Follows • 1
Expert Answers •2

08/31/19

Write an inequality and solve: the product of 12 and a number is less than 6
Follows • 1
Expert Answers •1

08/31/19

Pre Calculus 11 - Arithmetic Series
What is the first term of a 10-term arithmetic series with t2=10 and S=120? Leave your answer in exact form.Sadly, I don't even know where to start with this question. I understand that there is... more
Follows • 1
Expert Answers •2

08/31/19

Pre Calculus 11 - Arithmetic Sequences
Violin lesson fees started at $46 per hour in January, 1990, and gradually increased by $2 .50 every year. How much is the hourly cost in January of 2014? Hint: It’s not a good idea to just apply... 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.