2 years ago

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Mathematics

1 answer:

Neporo4naja [7]2 years ago

4 0

Answer:

2 minutes

Step-by-step explanation:

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Find the distance between each pair of points<br> 8) (2, 6), (5, 10)<br> 9) (-3,-10), (-3,5)

Lapatulllka [165]

Answer:

8) answer=5 9)answer=15

Step-by-step explanation:

all you have to do is replace in the following formula

$\sqrt{(x2-x1)^{2}+ (y2-y1)^{2}} =d$

Where

X1: is the first number of the first point

Y1: is the second number of the first point

X2: is the first number of the second point

Y2: is the second number of the second point

you replace in the formula and solve

I attach solution

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$2!6!=2\times1\times6\times5\times4\times3\times2\times1=1440$

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2 years ago

Which equation represents seven times a number decreased by 2 is 19? A) 7 + x - 2 = 19 B) 7x + 2 = 19 C) 2x - 7 = 19 D)

Helen [10]

Answer:

7n - 2 = 19

Step-by-step explanation:

7 times a number is 7n.

7 times a number, decreased by 2, is 7n - 2.

7 times a number, decreased by 2, is 19 is represented by 7n - 2 = 19

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3 years ago

In 1980, the number of African elephants was 1,200,000 but that number was decreasing 5.25% a year.

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<span>Answer is about 12.85.</span>

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yaroslaw [1]

2x-438 = -438+2x= 2(x-219)

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