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Ugo [173]
3 years ago
11

Gina gave the cashier $30 to pay for 5 pairs of socks. The cashier gave her $6.10 in change. Each pair of socks cost the same am

ount. What is the cost in dollars and cents for each pair of socks?
Mathematics
1 answer:
alekssr [168]3 years ago
5 0

Answer:

$4.78

Step-by-step explanation:

subtract 6.10 from 30 = 24.90

then divide it by 5

ans : $4.78

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7.5d = 2.5d Lin divided each side by 2.5d and Elena subtracted 2.5d from each side with both leads to the solution
dedylja [7]

Answer:

Elena's move will lead to the solution of the problem

Step-by-step explanation:

To solve the equation 7.5d=2.5d, Lin divides each side by 2.5d, and Elena subtracts 2.5d from each side. Will both moves lead to the solution? Explain your reasoning

Given:

7.5d = 2.5d

Lin divides each side by 2.5d, Lin:

7.5d / 2.5d = 2.5d / 2.5d

3 = 1

This can not be the solution to the problem because 3 can not be Equal to 1

Elena subtracts 2.5d from each side

7.5d = 2.5d

7.5d - 2.5d = 2.5d - 2.5d

5d = 0

This can lead to the solution of the problem

Elena's move will lead to the solution of the problem

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Csqrt%5C%5Cx%5E%7B2%7D%20-%203%5C%5C" id="TexFormula1" title="\sqrt\\x^{2} - 3\\" alt="\sqrt
Liono4ka [1.6K]
You can’t simplify it more than it is
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3 years ago
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