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pashok25 [27]
3 years ago
9

Julio is playing a trivia game. On his first turn, he lost 100 points. On his second turn, he lost 60 points. On his third turn,

he lost 80 points. Enter a sum of three negative integers that models the change to Julio's score after his first three turns. Enter the sum in the order of his turns.
Mathematics
1 answer:
Ivenika [448]3 years ago
4 0

Answer:

-40

Step-by-step explanation:

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Max has 5.50. He has eight more quarters than he does nickels. He had four times as many dimes as he has nickels. How many quart
Oliga [24]

Answer:

<h2>There are 13 quarters, 5 nickels and 20 dimes.</h2>

Step-by-step explanation:

Givens

  • Max has $5.50.
  • He has eight more quarters than he does nickels.
  • He had four times as many dimes as he has nickels.

From these statements, we can deduce algebraical expressions to solve the problem. Let's call q quarters, n nickels and d dimes.

q=n+8 (8 more quarters than nickels)

d=4n (he has four times as many dimes as he has nickels).

0.25q+0.05n+0.10d=5.50 (Max has a total of $5.50, one quartes is $0.25, one nickel is $0.05 and one dime is $0.10).

Let's replace the first two expressions into the third equation

0.25(n+8)+0.05n+0.10(4n)=5.50\\0.25n+2+0.05n+0.40n=5.50\\0.70n=5.50-2\\n=\frac{3.50}{0.70}\\ n=5

There are 5 nickels.

Now, we use this value to find the number of quarters

q=5+8=13

There are 13 quarters.

Also, d=4(5)=20

There are 20 dimes.

Therefore, there are 13 quarters, 5 nickels and 20 dimes.

3 0
3 years ago
A principal of $4700 is invested at 3% interest, compounded annually. How many years will it take to accumulate $6000 or more in
mafiozo [28]
9 years because if you do 4700 * 1.03= 4831 now do that 9 times you get 6,132.43
4 0
3 years ago
64,223=_____=641.23<br>​
FrozenT [24]

Answer: Check

12^10 × 12^(-2) = 12^(10 - 2) = 12^8

________________________________

Second option : ---

3^2 × 4^6 = 3^2 × 4^2 × 4^4 = 12^2 × 4^4

________________________________

Third option : ---

(12^8)^0 = 12^(8 × 0) = 12^0 = 1

________________________________

4th option : Check

12^10 / 12^2 = 12^10 × 12^(-2) = 12^(10 - 2)

= 12^8

________________________________

5th option : Check

2^8 × 6^8 = ( 2 × 6 )^8 = 12^8

Step-by-step explanation:

3 0
2 years ago
A refrigerator has a marked price of $5000. Mr. Jones bought it on hire purchase for $7500. What is the extra cost Mr. Jones pai
natulia [17]
The answer is C. 50% because 50% of 5,000 is 2,500 and 2,500+5,000= 7,500
4 0
3 years ago
Read 2 more answers
Show how you can solve the equation 3x=9<br><br> (i cant solve it im a pea brain)
faltersainse [42]

Answer:

divide both sides by 3

Step-by-step explanation:

so the answer should be x=3

6 0
3 years ago
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