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Ratling [72]
3 years ago
7

Find X using the Pythagorean Theorem

Mathematics
1 answer:
Natalija [7]3 years ago
8 0

Answer:

x = 4.47

Step-by-step explanation:

Formula for hypotenuse:

x =\sqrt{a^2+b^2}

x=\sqrt{4^2+2^2}

x=\sqrt{16+4}

x=\sqrt{20}

x=4.47

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Rama09 [41]

Answer: Y = 3x - 2

Work: Okay, let's take this step by step. Since the Y - Intercept is -2, put a dot on -2 on the (Y) Line. It also just so happens that the line goes through -2. Now with 3x. 3x is the same thing as 3x / 1. Since three is on the top, you go up three from -2, and then move over one spot because of the 1 (If it was a negative one, you go the opposite direction) Alright, now you see that the line also passes through that point as well, so it has to be y = 3x -2

<em>I hope this helps, and Happy Holidays! :)</em>

8 0
3 years ago
4. What is a lophophore?
Rufina [12.5K]

Answer:

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8 0
3 years ago
Read 2 more answers
There is a total of 45 boys and girls in a choir.
rusak2 [61]

Answer:

16.5 year

Step-by-step explanation:

Using, mean = sum/no. *of observations

Here,

=> 16.2 = (sum of ages of boys)/18

=> 16.2 x 18 = sum of ages of boys

=> 291.6 = sum of ages of boys

Similarly, sum of ages of girls = 27 x 16.7 = 450.9

Mean(total) = (sumof agesof boys + girls)/45

Mean = (291.6 + 450.9)/45 = 16.5

3 0
3 years ago
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What is the equation of the following line (0,0) and (-4,8)
Ann [662]

the equation using the point slope formula is

y=−2x

I hope this helps! :)

-Ayden

8 0
3 years ago
A 5ft tall girl is standing 13ft from a 15ft tall lamppost. How long is her shadow?
kiruha [24]
That could possibly be 6-7ft
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