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3 years ago

7

GUYS HELP ME I HAVE TWO QUESTIONS THIS IS THE FIRST QUESTION: A school cafeteria sold 1,280 slices of pizza the first week, 640

the second week, and 320 the third week. If this pattern continues in what week will the cafeteria sell 40 slices? Explain your answer.
2.Dawn spent 26.50, including sales tax on 4 books and 3 folders.The books cost $5.33 each and the total sales tax was $1.73. FI'll in the chart below

Cost of each book

Cost of each folder

Cost of sales tax

2 answers:

Natalka [10]3 years ago

8 0

1. dividing by 2 each time. and it is on the 6th week

Paha777 [63]3 years ago

5 0

2.
Each book is $5.33
Each folder is $1.15
Cost of sales tax is $1.73

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Answer:

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Given

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Required

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Let Midpoint be represented by (x,y);

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$5 = \frac{-6 + x_2}{2}$

Multiply both sides by 2

$2 * 5 = \frac{-6 + x_2}{2} * 2$

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$6 + 10 = -6 +6 + x_2$

$x_2 = 16$

Solving for $y_2$

$y = \frac{y_1 + y_2}{2}$

Substitute 2 for y and 2 for y₁

$2 = \frac{2 + y_2}{2}$

Multiply both sides by 2

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$4 = 2 + y_2$

Subtract 2 from both sides

$4 - 2 = 2 - 2 + y_2$

$y_2 = 2$

$(x_2,y_2) = (16,2)$

Hence, the coordinates of the other end is $(16,2)$

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