A balloon (in the shape of a sphere) is being inflated. The radius is increasing at a rate of 1 cm per second. Find a function, r(t), for the radius in terms of t. Find a function, V(r), for the...

A balloon (in the shape of a sphere) is being inflated. The radius is increasing at a rate of 1 cm per second. Find a function, r(t), for the radius in terms of t. Find a function, V(r), for the...

How does the time taken for a walk depend on how far you go?

4 fair coins are simultaneously flipped and 1 fair 4-sided die (with numbers 1-4 on the faces) is tossed. What is the probability that the number of heads is equal to the number that comes up on the...

Hal says that the greatest product of a 3-digit number and a 1-digit number is 8,891. Is he correct? Explain

There are 4 semi-trailer trucks parked in a line at the rest stop. After the first truck, each truck in the line weighs 2 tons more than the truck before it. The trucks weigh a total of 32 tons. How...

The names must be ordered in order.

At a park a picnic shelter covers 1/4 of an acre and a playground covers 5/8 of an acre how much area is covered by both the picnic shelter and the playground?

jen, jane and gina buy an 18" mega sub to share. Jen cuts the sandwich such that she gets the largest piece. Jane's piece is only half the size of Jen's, and gina's portion is three-fourths the...

There is a p=12.5% chance a parked car will have been left unlocked. X is the number of cars left unlocked in a parking lot with a total of 6 cars. Assuming X is a binomial random variable, what...

Q . Suppose that we state that a positive integer number ???? is called “special” if the set {1,2,3, . . . ,2016} can be split into ???? subsets, all of them with the same number of elements and the...

On May 13, 2006, each Euro was worth 1.43921 Canadian dollars and each Japanese Yen was worth 0.00703195 Euros. Find the value of 1000 Japanese Yen in Canadian dollars on May 13th, 2006. Round your...

f x dollars are invested at 10% for 6 years, the future value of the investment is given by S (x) = x + 0.6x. a. Find the inverse of the function. b. What do the outputs of the inverse...

The main thing is to find the answer of course, and you have to use subgoals. The main thing also is to see how many designers are needed to complete the orders in 8 hours. You solve it using a solving...

A salesperson has two job offers. Company A offers a weekly salary of $420 plus commission of 14% of sales. Company B offers a weekly salary of $840 plus commission of 7% of sales. What is the amount...

The table shows the number of new cases of a certain disease among women in six consecutive years. Data are in thousands rounded to the nearest hundred. Year New Cases (thousands) 2005...

Employees of a publishing company received an increase in salary of 6% plus a bonus of $500. Let S(x)=1.06+500 represent the new salary in terms of the previous salary x. Find and interpret S...

Determine the total number of games that will be played.

A bank that has been charging a monthly service fee of $2 for checking accounts plus 15 cents for each check announces that it will change its monthly fee to $3 and that each check will cost 8 cents...

The tap on a tank has been left on and water is running out. The volume of water in the tank after one hour is 100 L and after five hours the volume is 20 L. Assuming the relationship...

A one-pound blend of coffee uses Brazilian (50 cents per ounce), Columbian (40 cents per ounce), and Peruvian (60 cents per ounce) coffee beans and costs $8.10 per pound. The blend contains twice...