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nydimaria [60]
3 years ago
5

Find the slope of the line between (1,5) and (3,9)

Mathematics
1 answer:
Lorico [155]3 years ago
6 0

slope = (y2-y1)/(x2-x1)

m=(9-5)/(3-1)

m=4/2

m=2

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How will you remember what changes when reflecting across the x-axis?
natulia [17]

Answer: When you reflect a point across the x-axis the x-coordinate remains the same, but the y-coordinate is transformed into its opposite

Step-by-step explanation:

5 0
3 years ago
1. Three apples, a, and two peaches, p, sell for $1.25.
Simora [160]

Answer:

$0.25

Step-by-step explanation:

You can use systems of equations to solve this.

3a+2p = 1.25

5a+p = 1.5

Multiply the second equation by 2.

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10a+2p = 3

Subtract the bottom from the top

-7a= -1.75

Divide by -7

a= 0.25

Each apple is $0.25 (in this case, the peach also costs $0.25)

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2 years ago
Olympic pools hold<br> about 660, 334<br> gallons, how<br> many liters is that?
Scrat [10]

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I think it's 2.5 million liters

Step-by-step explanation:

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8 0
2 years ago
What is the mean absolute deviation of the following data set
tatuchka [14]

Answer:

4.32

Step-by-step explanation:

First, we have to find the mean of the data set.

16, 11, 9, 12, 11, 10, 10, 8, 15, 0, 2, 15, 14, 7, 11, 5, 14, 20, 3, 11, 13, 7, 0, 5, 21 all added together equals 250. 250 divided by 25 = 10. So 10 is the mean.

Now we have to find the absolute distances of each number from the mean.

16 - 10 = 6... 11 - 10 = 1... so on, giving us this -->

6, 1, 1, 2, 1, 0, 0, 2, 5, 10, 8, 5, 4, 3, 1, 5, 4, 10, 7, 1, 3, 3, 10, 5, 11

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4 0
2 years ago
Triangle- interior angle<br> Please help !
sp2606 [1]

Answer:

x = 25

<B = 120 degrees

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Step-by-step explanation:

Total angle measure of a triangle - 180 degrees

Add all the angles together to find the value of x

30 + 4x + 20 + x + 5 = 180

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55 - 55 + 5x = 180 - 55

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x = 25

<B = 4(25) + 20

<B = 100 + 20

<B = 120

<C = 25 + 5

<C = 30

7 0
3 years ago
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