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2 years ago

What is the slope of the line that passes through (3, −7) and (−1, 1)?

Mathematics

1 answer:

almond37 [142]2 years ago

4 0

The slope would be -2 because the equation is y=-2x-1

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A coffee shop collected the following information regarding purchases from 110 of its customers 59 purchased coffee 39 purchased

Andrej [43]

Answer:

Let X be the number of customer purchased coffee

Let Y be the number of customer purchased donuts

Then $X\cap Y$ is the number of customer purchased both coffee and donuts

$X\cup Y$ is the number of customer purchased both coffee or donuts

The Number of customers purchased only Coffee:

Number of customers purchased only donuts =n(X -Y)

$n( X -Y) = n(X) - n(X \cap Y)$

n(X-Y) = 59 -16

n(Y - X) = 43

The Number of customers purchased only donuts:

Number of customers purchased only donuts =n(Y -X)

$n(Y - X) = n(Y) - n(X \cap Y)$

n(Y - X) = 39 -16

n(Y - X) = 23

The Number of customers did not purchase either of these items:

Number of customers did not purchase either of these items = $n(X\cup Y)^{\prime}$

First lets find $n(X\cup Y)$

$n(X\cup Y) = n(X) + n(Y) - n( X \cap Y)$

$n(X\cup Y) = 59 + 39 - 16$

$n(X\cup Y) = 82$

$n(X\cup Y)^{\prime}$ = $110 - n(X\cup Y)$ = 28

5 0

3 years ago

Which is the graph of the system x + 3y > –3 and y < One-halfx + 1?

gregori [183]

Answer:

D, or the last graph.

Step-by-step explanation:

I got it right when I was doing the assignment :)

3 0

2 years ago

Read 2 more answers

It’s not A I failed and I stuck at math can someone plz help me thxxx

12345 [234]

Answer:

b. 12,960ft

Step-by-step explanation:

half of 24 gives you 12 therefore the answer must start from 12.

8 0

3 years ago

$1,580 at 10% for 8 years

sp2606 [1]

The answer is 1738
Hope this helps you

8 0

2 years ago

1. Which of the following number sentences is true?

Anastasy [175]

A and D

Didn't Understand

retype in comment and send

7 0

2 years ago

Read 2 more answers