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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?

Two sisters, Cindy and Nicole, bought a special 210-day health club membership. Cindy will use the club on every third day (day 3, 6…) and Nicole will use the club on every fifth day (days 5, 10,...

Please see the first half of the above question sent earlier

Please see 2nd half of the question

please advise if equation is the only solution?

A new camp site will contain t tent sites, with 25 square meters of land each, and r recreational vehicle (RV) sites with 40 square meters of land each. No more than 90 camp sites can be built...

Amy and ally both play in the same football team and Gitta is their manager. There are 3 reserves. Gotta has a contact for all the team and the whole team has Gitta as a contact in their phone. All...

Row 1 1 Row 2 3 5 Row 3 7 9 11 Row 4 13 15 17 19 Row 5 21 23 25 27 29 a. Find the middle number in the 99th row. b. What is the sum of the numbers in the 30th row. c. Find...

Here is my problem: "As an experiment, Santa Claus programmed three of his grandfather clocks to keep time as follows: At noon on July 1, 2007, all three clocks showed the correct time...

50 square stone slabs of equal size were needed to cover a floor area of 72 m2. Find the length of each stone slab. (1 m = 100 cm)

What is the tapes price.

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If a steak sells for $8.15, what is the cost per pound ?

Tyler D.

Passionate researcher and educator in all STEM subjects

New York, NY

Carolyn F.

Tutor in Sciences and Humanities

Brooklyn, NY