f(-2)=4/5 f(2)=1/20

f(-2)=4/5 f(2)=1/20

twelve men would take 15 days to finish a job if each works 8 hours a day. If this job has to be finished in 10 days, finished in 10 days, find the total number of extra hours that these 12 men must...

We know the answer to this is 98 but can not figure out how to solve. Help a 7th grade student solve step by step.

Write the equation of a line perpendicular to the given line and passing through the given point. y=-2/3x +2; (3,3)

James scored a total of 15 points during a basketball game. During the game he made only free throws worth 1 point each and 3 point baskets. He made a total of he made a total of 7 baskets. How many...

Equation word problem

im having trouble can you solve it?

find the answer to f(5)=

The gizmo store sells gizmos. You pay $3 for the first 3 gizmos and $0.75 for each additional Gizmo.

a. Define an independent and a dependent variable and describe a function that arises from this scenario. Give any restrictions on the values of the independent variable. b. Find an equation...

I've been on this one for quite a while.

find y if a^3y-5 = 1 / a^2

a. How lone was the ball in the air b. What is the ball's maximum height? c. When will the balol reach its maximum height?

twelve men would take 15 days to finish a job if each works 8 hours a day. If this job has to be finished in 10 days, finished in 10 days, find the total number of extra hours that these 12 men must...

Please help me solve this question

A school organised a ballot amongst its students to elect two student representatives on the school council. Each student could vote for a maximum of two candidates. The results of the three candidates...

Need help with math and a lot

Can you solve the problem below: The value of a three digit number increases by 108 when the first digit is placed at the last and the value of the number increases by 189 when the last number...

A. –10x + 4y = –3 B. 2x + 4y = 3 C. 2x – 4y = 3 D. 2x + 4y = –3

Just a little confused on this math question need help on how to do it with steps explaining

You have 300 feet of wire fence to mark off a rectangular Christmas tree lot with a center divider, using a brick wall as one side of the lot. If you would like to enclose a total area of 7500...