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Lorico [155]
3 years ago
6

one hose can fill a goldfish pond in 14 minutes, and the two hoses can fill the same pond in 10 minutes, find how long it takes

the second hose to fill the pond alone
Mathematics
1 answer:
likoan [24]3 years ago
4 0

Answer:

35

Step-by-step explanation:

\frac{1}{14} +\frac{1}{t} =\frac{1}{10}

Solving this ^^ would equal t=35.

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a college freshman started the year with $4000 in spending money and after three months,she has $2800 left.assume that she will
gulaghasi [49]
Let's find out how much she spent every month.

4000 (starting money) - 2800 (remaining money) = 1200 spent over 3 months

1200/3 = 400 per month was spent

So if she continues to spend 400 a month?

How many months are left? 12 (months of the year) - 3 (months she already spent) = 9

So 9 (remaining months) * 400 (amt per month) = 3600 she'll spend at the going rate over 9 months.

But she only has 2800 left.

2800 (remaining) - 3600 (estimated total of spending) = -800

So she will be 800$ in debt at the end of the year at the current rate.
3 0
3 years ago
What equation could you use to solve the problem below? The math clubs car can travel 9 m in a second. The race track for the so
WARRIOR [948]

Answer:

D

Step-by-step explanation:

Because if you divide it becomes 3

then to check if its right you just need to multiply 3 and 9 and it becomes 27

5 0
3 years ago
PLEASE HELP!! how do I prove that vertical angles are congruent???
grin007 [14]

Answer:

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Step-by-step explanation:

5 0
3 years ago
Which statement is true?
Alexandra [31]
Since p^2=p*p,
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6 0
3 years ago
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Elizabeth bought a cheese pizza. It was served on a metal tray with a diameter of 22 centimeters. What is the tray's area?
agasfer [191]
<h3>Answer:</h3>

The Area of the tray ≈380 cm

<h3>Solution:</h3>
  • We are given the diameter of the tray, which is equivalent to 22 cm.
  • We are asked to find the area of the tray.
  • Remember the formula:
  • Area of a circle = πr²
  • Where
  • π -> pi (3.14...)
  • r -> radius
  • Notice that we aren't given the radius. We're given the diameter only.
  • No reason to panic. We can easily find the radius by dividing the diameter by 2.
  • The radius is equal to 11 cm.
  • Now, plug the values into the formula:
  • A=π(11)²
  • A=121π
  • A≈380 cm

Hope it helps.

Do comment if you have any query.

4 0
2 years ago
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