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Tanya [424]
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
Mathematics
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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One end of a line segment has the coordinates (-6,2). If
CaHeK987 [17]

Answer:

The coordinates of the other end is (16,2)

Step-by-step explanation:

Given

End 1: (-6,2)

Midpoint: (5,2)

Required

Find the coordinates of the other end

Let Midpoint be represented by (x,y);

(x,y) = (5,2) is calculated as thus

(x,y) = (\frac{x_1 + x_2}{2},\frac{y_1 + y_2}{2})

So

x = \frac{x_1 + x_2}{2} and y = \frac{y_1 + y_2}{2}

Where (x_1,y_1) = (-6,2) and (x,y) = (5,2)

So, we're solving for (x_2,y_2)

Solving for x_2

x = \frac{x_1 + x_2}{2}

Substitute 5 for x and -6 for x₁

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

Multiply both sides by 2

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

10 = -6 + x_2

Add 6 to both sides

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

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

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)

3 0
3 years ago
C2d3 has a solubility product constant of 9.14×10−9. what is the molar solubility of c2d3?
UkoKoshka [18]
The correct answer for the question that is being presented above is this one:

We need to express the ksp expression of C2D3
<span>C2D3
= (2x)2(3x)3
= 108x5 </span>

<span>Then set that equation equal to your solubility constant </span>

<span>9.14x10-9 = 108x5 </span>
<span>x = 9.67x10-3 
</span>
<span>So the molar solubility is 9.67x10-3</span>
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A yoga club had 54 members and the ratio of men to women is 4:5. This year, 18 new members joined the club and the ratio of men
castortr0y [4]

Answer:

23

Step-by-step explanation:

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NEED ASAP!!!<br> 1. Find the value of x in the diagram below.<br> 120°<br> x
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x and the 120 degrees are Complementary angles so they are the same. x=120˚

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Solve the following inequality:
stealth61 [152]
<span>8 ≥ 16y

Divide both sides by 16.

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