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brilliants [131]
3 years ago
12

The class with the greatest mean sales in a spring fundraiser will win a prize. The mean for Eric's class is $148. The mean for

Natalia's class is $152. Natalia's sale total is $150. If Natalia moves to Eric's class, the mean for each increases. Explain why.
Mathematics
1 answer:
bezimeni [28]3 years ago
6 0
The reason it would in crese is because they combin their money
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The Rodriguez family went to dinner at Pasta Palace. Mr. Rodriguez ordered a meal for $6.25; Mrs. R ordered a meal for $7.50; th
Romashka-Z-Leto [24]
Given:
Mr. Rodriguez :                          6.25
Mrs. R                                        7.50
2 children @ 4.99 each       <u>      9.98</u>
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Sales tax 7.25%                        1.72        *23.73 x 7.25%
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Grand total                            $29.01


Tips should be applied to pre-tax amount not post-tax. However, some companies compute tip based on post-tax amount. This means that the tip you are paying is computed based on the total amount of the meal as well as the sales tax you paid for the meal.

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1.Prove each statement. <br><br><br> step by step PLEASE!!!
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Step-by-step explanation:

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5 0
2 years ago
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shutvik [7]

9514 1404 393

Answer:

  C, A, A

Step-by-step explanation:

In general, you ...

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In problem 1, the x-coefficients are 8 and 2. A common factor of 2 can be removed so that we're dealing with the numbers 4 and 1. Assuming we want to multiply one of the equations by 1, leaving it unchanged, the value we want to multiply by will be -4. After we swap the coefficients, that multiplier is associated with equation 2:

  multiply equation 2 by -4 . . . (eliminates x)

Likewise, the y-coefficients in problem 1 are -1 and 3. Again, if we want to multiply one of the equations by 1, leaving it unchanged, the coefficient we will change the sign of is -1 (becomes 1). After we swap the coefficients, the multiplier 3 is associated with equation 1:

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The other problems are worked in a similar fashion.

8 0
3 years ago
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