09/17/17

word problem

A family has two cars. The first car has a fuel efficiency of 35 miles per gallon of gas and the second has a fuel efficiency of 20 miles per gallon of gas. During one particular week, the two cars... more

09/17/17

A car travels on a straight road fr 10 km at 10 m/s. It then speeds up and travels another 10 km at 30 m/s. What is the average speed for the entire 20 km trip

A car travels on a straight road fr 10 km at 10 m/s. It then speeds up and travels another 10 km at 30 m/s. What is the average speed for the entire 20 km trip?   Average speed is the total... more

09/17/17

solve the inequality. Write your answer using interval notation. x(x − 2)(x + 5) > 0

solve the inequality. Write your answer using interval notation.x(x − 2)(x + 5) > 0

09/17/17

Find an equation for the line that passes through the point (4, −8) and is parallel to the line 2x − 4y = 5.

Find an equation for the line that passes through the point (4, −8) andis parallel to the line 2x − 4y = 5.

09/17/17

Two cars leave Chicago to MI. One car is traveling 13mph faster and it arrived in 4 hours. The other car took 5 hours to get there. Find the speed of each car

I'm really stuck on this problem. I just need to know how to set up the equation to figure it out.

a rectangle parking lot has a length that is 10 yards greater than the width. the area of the parking lot is 200 square yards find the length and the width

the length is 10 tyards greater than width  the parking lot is 200 square yards  

A cylindrical pop can has a volume of 355ml. Determine, to the nearest 0.1m, the diameter of the can if the height is 12.0cm

 Don't understand to the nearest 0.1cm would appreciate explanation

Please solve this Algebra 2 word problem

Overseas phone call is charged at 1 rate (fixed amount) for 1st min and different rate for each additional min 7 min call costs: $10 4 min call: $6.40 Find each rate

A cube has a volume of 0.512 litres. Determine the length of each side of the cube in cm.

Having difficulty with this question on how to comvert from litres to cm and  how to find the length of each side of the cube into cm.

09/17/17

use 4,6,2,7 to make the sum as 100

Here are four digits. 4,6,2,7 Use all four digits to make this sum correct   ---- + ----- = 100

09/17/17

not sure how to figure this one out

Find f(a + h) - f(a) for the function. Simplify your answer.f(x) = x^2 - 11 x + 9

09/13/17

three is fourteen more than three times a number

three is fourteen more than three times a number

Slope is -2/3, and (-6, -5) is on the line

Write the equation of each line in slope-intercept form.

The sum of the page numbers on the facing pages of a book is 89. What are the page​ numbers?

I dont exactly know how to set this equation up.

Find the measure of an angle whose complement is nine times its measure.

I need help solving this question

09/10/17

Finding the length

Jim is painting the surface of a picnic table. The surface has an area of 2,160 square inches. The width of the table is 30 inches. What is the length of the table?

09/10/17

I need help with Systems of equations

R1T1= R2T2 , T1+ T2= 60, R1=3, R2=6  Please help me find the value of T1 and   T2

09/03/17

For his phone service, Rafael pays a monthly fee of $21 , and he pays an additional $0.06 per minute of use. The least he has been charged in a month is $100

For his phone service, Rafael pays a monthly fee of $21, and he pays an additional $0.06 per minute of use. The least he has been charged in a month is $100.56.

09/01/17

Average speed

Meg rowed her boat upstream a distance of 75 mi and then rowed back to the starting point. The total time of the trip was 20 hours. If the rate of the current was 5 mph, find the average age speed... more

08/30/17

five times a number decreased by 18 minus 4 times the same number is -36 what is the number ?

write an equation to model each situation. then solve the equation

08/30/17

It takes each group 5 minutes to clean up a 200-yard section. How long does it take to clean up 2 miles

it takes 2 groups each 5 min to clean up a 200 yard section of litter. How long does it take to clean up 2 miles

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