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givi [52]
2 years ago
9

Polly bought a new collar and leash for her dog. The total was $7.50. She paid with a ten-dollar bill.

Mathematics
1 answer:
Gelneren [198K]2 years ago
5 0
She got back $2.50 hope this helped
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The product of 5 and 2 less than triple a number equals the product of 7 and 8 more than twice the number. What is the number?
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Answer:Hi,

Let the number be x

Twice the number is 2x

Five less than twice the number is 2x-5, which is given as 9

Therefore, 2x-5 = 9

or, 2x = 9+5

or, 2x = 14

or x=7

Thus the number is 7.

Cheers

Step-by-step explanation:

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The perimeter of an equilateral triangle is 6n-15 . Write an expression to represent the length of each side.
jonny [76]

Answer:we know that all 3 sides are equal

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2 years ago
A football team lost five yards on each of two consecutive plays. Find the total change in yardage.
maria [59]

Answer:

The change is a loss of 10 yards, so -10 yards.

Step-by-step explanation:

The total change in yardage after 2 plays is the sum of the yardage of each play.

What lost yardage means?

Lost yardage means negative yardage.

Imagine that in a Buffalo Bills game, Devin Singletary lost 2 yards on his first carry. So his total yardage is -2.

If in the next carry he gets 3 yards, his total yardage is 1. If he loses 1, his total yardage is -3.

First play

Loss of 5 yards.

So the first play counts for -5 yards.

Second play

Loss of 5 yards.

So the second play counts for -5 yards.

Total

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8 0
3 years ago
Could you please help solve 5.a and 5.b
Verdich [7]

Answer:

      Step-by-step explanation:

5a = 240.96

5b = 20.08

7 0
3 years ago
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