A swimmer begins a trip upstream - he swims total of 3 miles in 2.5 hours. He then turns around and swims with the current to his original starting point. The return trip takes him...

A swimmer begins a trip upstream - he swims total of 3 miles in 2.5 hours. He then turns around and swims with the current to his original starting point. The return trip takes him...

Robert needs to cut four shelves from a board that is 2.5 meters long. The second shelf is 18 centimeters longer than twice the length of the first shelf. The third shelf is 12 centimeters shorter...

Word problem

Given positive integers x and y such that 1/x + 1/2y= 1/7, what is the least possible value of xy?

Let the reciprocals of the roots of 5x^2 + 3x + 4 be a and b. Evaluate a+b

Defining the vatiables before starting tends to make the problem easier.

Algebra

Three consecutive positive odd integers a, b and c satisfy b^2 - a^2 = 344 and c^2 - b^2>; 0. What is the value of c^2 - b^2?

pre test algebra 1

Ok so I’m factoring, by using the x method and box method. I’m not allowed to use FOIL. The question is 4x^2+38x+70. So far I’ve found the GCF, which is 2. I’m not sure about the rule regarding...

I am learning about vertical and horizontal translations/stetches right now, but I am confused. My question is, How do you know wether the graph translates up, down, right, or left? I looked at an...

I need to use a system of linear equations to solve this. I have another question that i'm stuck on

A rectangular prism with integer side lengths has a height of 3. If the surface area of the prism is equal to 52, then what is the volume of the prism?

its either a.7 and -6 or b.6 and -7 or c.-7 and 8 0r d.-8 and 9

I need help with my math homework

Let a^2=16/44 and b^2=(2+sqrt5)^2, where a is a negative real number and b is a positive real number. If (a+b)^3 can be expressed in the simplified form x*sqrty/z where x, y, and z are positive...

At no other time did any geese arrive or fly away or die. How many geese were in the original flock?

”Flock of geese on a pond were being observed continuously. at 1 pm 1/5 (or 20%) of the gee flew away at 2 pm 1/8 ( or 12.5%) of the geese that remained flew away at 3 pm 3 times...

If necessary,round your answer to the nearest minute hrs. ...

I’m not so sure how to setup the equation

9 X Square root Of 5 + 2 X Square root of 5