06/04/19

Find the largest possible volume

Suppose you have 200 square feet of flexible plastic material to build a 3-dimensional figure,but you want it to have the maximum amount of volume possible.Explore a variety of figures and draw... more

06/03/19

Algebra Question

The Young family and the Martinez family each used their sprinklers last summer. The water output rate for the Young family's sprinkler was 25L per hour. The water output rate for the Martinez... more

06/03/19

Math help for homework

The length of a rectangle is 3 inches more than its width . The area of the rectangle is equal to 2 inches more than 2 times the perimeter

06/02/19

Find an equation for the hyperbola with vertices at (0,0); assymptotes at y=+\-5/2x. Answer is in the details. I need a little help.

I am getting:y^2/100 - x^2/4 =1but the correct answer is:y^2/100 - x^2/16How do you solve for for “b” when you don’t know “c”? c^2-a^2=b^2How do you get 16? I got the b value from the assymtpote,... more

06/02/19

How long would it take Bobby to mow the lawn by himself?

Twin​ brothers, Billy and​ Bobby, can mow their​ grandparent's lawn together in 69 minutes. Billy could mow the lawn by himself in 25 minutes less time that it would take Bobby. How long would it... more

06/01/19

Algebra 2, need help

A ball is tossed up into the air from a height of 50 feet. The height, h, of the ball, in feet, is given by the function h(t)=-16t2+64t+50, where t is the time in seconds. What is the maximum... more

A rectangle has height h and a square base.

A rectangle has height h and a square. base. One side of the sq. base is 4 inches greater than the h. a)Find an expression for the volume in terms of h. b) For what values of h does the volume... more

05/31/19

Probability stats

Suppose a geyser has a mean time between eruptions of 84 minutes84 minutes. Let the interval of time between the eruptions be normally distributed with standard deviation 34 minutes34 minutes.... more

05/30/19

Find the slope of the line whose equation is 2x-3y+6=0

One-fifth of a certain number is 8. What is one-fourth of that number?

One-fifth of a certain number is 8. What is one-fourth of that number?

05/28/19

Compounding Interest-Find Time or Principal

How long will it take for $2800 to grow to $3000 if invested at 4% interest compounded semiannually?

What's the difference between Randian philosophy and Objectivism?

I recently encountered a debate about whether Objectivism was the same as the philosophies of Ayn Rand. Wikipedia says they're synonyms. Is there another definition of "objectivism"? Has... more

05/23/19

Systems of equations

A piggy bank contains 30 coins worth $.1.90. If the bank contains nickels, dimes and quarters, how many coins of each types does it contain?

05/23/19

What graph would best represent the equation y=4x+2 ?

05/21/19

Masses word problem

Cade weighs 56 kilograms and his little sister weighs 19 pounds less. How much does his sister weigh?

But without government, who will take care of the poor?

Without government, who will take care of the poor? One government defines [poverty](http://www.census.gov/hhes/www/poverty/about/overview/measure.html) as $11,888/yr for an individual.

Use the empirical rule.

Scores on an IQ test for people aged 20-34 are normally distributed with a mean of 110 and a standard deviation of 25. What percent of people in the age group have scores above 160?

05/16/19

Three Hindu beliefs about brahman

Im not good with word problems so i explained completely in description

If I make 6% in straight commission and offered another job that pays $230 per week plus 4% of the sales. How much will I have to sell in a week in order for the straight commission offer to be at... more

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