Mathematics, 10.11.2020 04:50 yurybell

A hot-air balloon is being filled with air. After 20 minutes, the volume of the balloon is 75 cubic feet. After 60 minutes, it’s volume is 120 cubic feet. It takes 3 hours to fill the balloon at this constant rate, and the balloon was not empty initially. How much hot air does the balloon hold, and how much hot air was in the balloon initially?

Answers: 3

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 15:30

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Answers: 3

Answer

Mathematics, 21.06.2019 18:00

Arecipe calls for 2 2/4 cups of raisins, but julie only has a 1/4 measuring cup. how many 1/4 cups is needed to measure out 2 2/4 cups of raisins?

Answers: 1

Answer

Mathematics, 21.06.2019 19:00

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62

Answers: 2

Answer

Mathematics, 22.06.2019 02:00

Identify the percent of change as an increase or a decrease. 75 people to 25 people response - correct increase decrease question 2 find the percent of change. round to the nearest tenth of a percent.

Answers: 3

Answer

You know the right answer?

A hot-air balloon is being filled with air. After 20 minutes, the volume of the balloon is 75 cubic...

Questions

History, 13.11.2020 01:00

How did the Vikings get integrated into European civilization?...

English, 13.11.2020 01:00

Tell me something, does spending time on edge for no reason whatsoever, even though school is long gone Make me lonely?...

Mathematics, 13.11.2020 01:00

Mai is filling her fish tank. Water flows into the tank at a constant rate. Complete the table if it helps you answer the questions. 1. How many gallo...

Mathematics, 13.11.2020 01:00

2. Toss 4 times Imagine tossing a fair coin 4 times . (a ) Give a probability model for this chance process . (b) Define event B as getting exactly th...

Mathematics, 13.11.2020 01:00

PLEASE HELP ASAP ...

History, 13.11.2020 01:00

I NEED KOWLEDGE ABOUT The 1830 Law of April 6th. plz dont troll...

Mathematics, 13.11.2020 01:00

50 points and brainliest for the first CORRECT answer Rodney is given two linear equations: x – y = 11 and 2x + y = 19. What is the value of x in the...

Mathematics, 13.11.2020 01:00

The area will be surrounded by a temporary fence which costs $0.25 per linear foot. How many feet will be needed, and how much will it cost?...

Mathematics, 13.11.2020 01:00

Mike deposits $5,000 in a 3-year CD account that yields 1.5% interest, compounded weekly. What is his ending balance, to the nearest cent, at the end...

Business, 13.11.2020 01:00

Cardi b or ariana grande or beyonce...

History, 13.11.2020 01:00

How would Keynes feel about income taxes?...

Mathematics, 13.11.2020 01:00

What is the remainder of polynomial P(x) = 818-121x - 36 divided by x+1? A) -76 B) -36 C)4 D)6...

History, 13.11.2020 01:00

What was the effect of city growth on women ?...

Mathematics, 13.11.2020 01:00

Which linear function shows a direct variation? Graph A...

Mathematics, 13.11.2020 01:00

HELP ASAP The number of hours you study for an exam affects your grade. What is a reasonable value of the range? A) 75 B) 1.25 C) -30

Mathematics, 13.11.2020 01:00

What is the equation of the line that has a slope of -4 and passes through ( 9, -5)...

Mathematics, 13.11.2020 01:00

What happens to the graph of a function if you replace x with 5x in its equation a.) vertical expansion by a factor of 5 b.) horizontal compres...

Biology, 13.11.2020 01:00

PLEASE HELP MEEECells that can differentiate into a variety of cell types are called...

Mathematics, 13.11.2020 01:00

Possible answers:1/3,1/2,2,3 ...

Mathematics, 13.11.2020 01:00

Every month Michael pays $39.95 for phone service plus $0.10 for every text message over a preset limit. Which equation represents the amount of money...

More questions: Mathematics Another questions