For the statement, find the constant of variation and the variation equation. y varies jointly as x and the cube of z;=112 when x=77 and z =2 Find the constant of variation k.

For the statement, find the constant of variation and the variation equation. y varies jointly as x and the cube of z;=112 when x=77 and z =2 Find the constant of variation k.

The weight of a synthetic ball varies directly with the cube of its radius. A ball with a radius of 2 inches weighs 5.20 pounds. Find the weight of a ball of the same material with a 3-inch radius...

The amount P of pollution varies directly with the population N of people. City A has a population of 494,000 and produces 260,000 tons of pollutants. Find how many tons of pollution we should expect...

finding the effective rate

A company has a choice of four oil fields to buy. Field one has a 25% chance of having 10 million dollars worth of oil, field two has a 33% chance of having 9 million dollars worth of oil, field three...

What percentage of adult males in America are over 6 feet 1 inches tall? Round your answer as percentages to the nearest whole number.

You are a manager for a local restaurant. In a given evening, you have a 1% chance that you will need only 1 employee, a 3% chance that you will only need 2 employees, a 35% chance that you will only...

write an equation in slope-intercept form of the line satisfying the given condition. The line passes through (3,-5) and is parallel to the line whose equatio is Y=2x+4

So basically, it's a multiple choice question and I got stuck. So there are 4 options, 2 of them are completley wrong but the other two options are these: y=(-1/16)x^2, x=(-1/16)x^2 This...

One integer is 8 more than another. The product is 153. Find the integers

We're solving rational equations and we get extra credit if we have this problem answered by tomorrow! x+5/x^2-6x-27+x-17/x^2-18x+77=x+1/x^2-14x+33 Please...

I', really stuck on this one HW question: I have to show how dC/dt = (D * (d^2C/dx^2)) + P at steady state (so when cD/dt =0) equals: (d^2C/dz^2) + (Pa^2/D...

A 20% solution of NaCl in H2O is diluted, by adding distilled water, to a final concentration of 6% NaCl. A 20% solution of NaCl in H2O is diluted, by adding distilled water, to a final concentration...

A 24% w/v stock solution of NaCl is diluted with water according to a 1:10 dilution ratio, then again by a 5:6 dilution ratio. a) Determine the overall dilution ratio (in lowest terms) performed:...

A math tutor charges $2020 per hour. Let c be the total charge (in dollars) for t hours of tutoring. Are t and c linearly related? If so, find the slope and describe what it means in this situation...

Mitch throws a baseball straight up in the air from a cliff that's 48 ft high. The initial velocity is 48 ft per second. The height (in feet)of the object after t second is given by h(t) = -16t^2...

Mitch throws a baseball straight up in the air from a cliff that's 48 ft high. The initial velocity is 48 ft per second. The height (in feet)of the object after t second is given by h(t) = -16t^2...

A flower bed is in the shape of a triangle with one side twice the length of the shortest side and the third side is 25 feet more than the length of the shortest side. Find the dimensions if the perimeter...

A physician orders 400000 units morphine I.V. p.r.n. The available stock is in a vial containing 2000000 units. The reconstitution instructions state to "dilute to 2000000 mg/10mL using 8.2mL...

The following drug order is given: Demerol 125 mg IM b.i.d. for 7 days. There is a vial of medication on hand that contains 500 mg of Demerol with the following reconstitution instructions: "Reconstitute...