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Triss [41]
3 years ago
5

What 30 coins make up 0.78 cents

Mathematics
1 answer:
CaHeK987 [17]3 years ago
5 0

Answer:

28 Pennies and 2 Quarters or 18 Pennies and 4 Dimes.

Step-by-step explanation:

Assuming that we are using the American currency.

First we need to break down the different equivalences of each coin.

  • 1 Penny = 1 cent
  • 1 Nickel = 5 cents
  • 1 Dime = 10 cents
  • 1 Quarter = 25 cents

One combination would be:

28 Pennies and 2 Quarters:

28 Pennies = 28 Cents

2 Quarters = 50 Cents

50 + 28 = 78 Cents.

Another combination would be:

18 Pennies = 18 Cents

12 Nickels = 60 Cents

18 + 60 = 78 Cents.

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1/2(n-5)=1/2(23-5) I cannot find what’s half of 23-5
liraira [26]

Answer:

n = 23

Step-by-step explanation:

if 1/2 (n-5) = 1/2 (23-5)

that must mean that n=23.

and if you are just looking for 1/2 of 23-5 that is just 9. (23-5) = 18 and half of 18 is 9

3 0
3 years ago
This graph displays a linear function. What is the rate of change?
ivolga24 [154]

Answer:

5/1 or 5

Step-by-step explanation: You find two points that the line goes on. So in this it would be 1,1 for the first one, the second one is 2,4. Then you go from the first point up or down to get to the same level at the second point. Then you go over to the left or right to meet the second point, in this graph you will go up 5 times to get to the same level. Then over 1 time to get to the point. Then you divide the rise over the run the rise is 5 and the run is 1, so you would do 5 divided by 1 and the answer of that is 5.

Hope this helps you in the future

                                                            Smiles,  MysticCryptic (Aka) Jordan

8 0
3 years ago
3 less than the quotient of 20 and x
UkoKoshka [18]
It would be (20/x) -3
3 0
3 years ago
I will give you BRAINLIEST
Sedbober [7]

Answer:

250

Step-by-step explanation:

If 5:7 = ?:350.

Since 350/7=50.

Multiply 5x50 =250.

Hope this helps! Have a great day!

3 0
3 years ago
The fan cost index represents the cost of four average price tickets
777dan777 [17]

9514 1404 393

Answer:

  • soccer: $50.31
  • hockey: $57.78

Step-by-step explanation:

Let s represent the FCI for soccer. The given values tell us ...

  s + (s +7.47) = 108.09

  2s = 100.62 . . . . . . . . . . subtract 7.47

  s = 50.31

  s+7.47 = 57.78

The FCI for soccer was $50.31; the FCI for hockey was $57.78.

8 0
3 years ago
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