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Lunna [17]
2 years ago
12

8) 120 balloons are filled with gas at the rate of 0.6 gallons per minute. How much time it takes to fill all balloons if the vo

lume of one balloon is 1.2 gallons?​
Mathematics
1 answer:
sdas [7]2 years ago
7 0

Answer:

240 Minutes

Step-by-step explanation:

0.6 per minute × 2 = 1.2 gallons .

120 balloons × 2 mins= 240 mins

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When a principal amount, P, is invested at an annual interest rate, r, and compounded n times per
GaryK [48]

Answer:

n =2

Step-by-step explanation:

Compound interest:

The compound interest formula is given by:

A(t) = P(1 + \frac{r}{n})^{nt}

Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per year and t is the time in years for which the money is invested or borrowed.

In this question:

The money is compounded every 6 months.

n is the number of times that interest is compounded per year.

Each 6 months means 12/6 = twice a year. So n =2..

8 0
3 years ago
On the blue prints for a house, 2 inches represents 3 feet. If the width of a room on
lisabon 2012 [21]

Answer:

The actual width would be 9.75 feet. (I think).

Step-by-step explanation:

If two inches represents three feet, then two inches also represents thirty-six inches. You would then have to set up the proportion \frac{2}{36} = \frac{6.5}{x}. Solving that proportion would get you an answer of 117 inches, equal to 9.75 feet. I hope this helps! :)

3 0
1 year ago
A theater company charges $3.50 per ticket for people of all age groups. If c represents the total number of children who bought
Anna35 [415]
The answer is B 3.5(c +a)  because u solving for the total money earned and c is is representing for the company
6 0
3 years ago
Devon uses the equation c = 9.75 to determine the total cost in dollars, c for t tickets to the fair. Decide if each statement a
Helen [10]

Answer:

a. True

b. False

c. True (I'm not 100% certain but I believe that it is true)

d. True

Step-by-step explanation:

It represents a proportional and linear relationship.

It costs $9.75 for each ticket.

4 0
3 years ago
I need to figure out how many solutions does the system of equations below have.
Aleonysh [2.5K]

Answer:

The system has one solution.

Step-by-step explanation:

To find the number of solutions of the system, we equal both equations for y.

If we have ax = b, in which both a and b are different of 0, we have one solution.

If both a and b are 0, we have infinite solutions.

If a is 0 and b is not, there are no solutions.

y=6/7x-8 and y=7/9x+10/9

So

\frac{6x}{7} - 8 = \frac{7x}{9} + \frac{10}{9}

\frac{6x}{7} - \frac{7x}{9} = \frac{10}{9} + 8

\frac{54x - 49x}{63} = \frac{10}{9} + \frac{72}{9}

\frac{5x}{63} = \frac{82}{9}

45x = 63*82

Both a and b are different of 0, so the system has one solution.

6 0
2 years ago
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