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SVETLANKA909090 [29]
3 years ago
5

What is the distance between (5, -1) and (5,-4)?

Mathematics
1 answer:
3241004551 [841]3 years ago
7 0
Mathspapa.com ok find it there
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Find the value of x.
Oksana_A [137]
If we call the leg of the small triangle y, and the leg perpendicular to x z, we can apply Pythagoras 3 times:

(1) 4 + y^2 = x^2
(2) x^2 + z^2 = 196 => z^2 = 196-x^2
(3) y^2 + 144 = z^2 => y^2 = z^2 - 144

Now fill in (3) in (1):

4 + z^2 - 144 = x^2

and then (2) in (1):

196-x^2-140 = x^2 => 2x^2 = 56 => x = √28 = 2√7

Answer C!
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3 years ago
PLEASE HELP THIS IS DUE TODAY
avanturin [10]

Answer:7600

Step-by-step explanation:

3 0
3 years ago
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Tamika opened a money market account that has a 4.25% annual interest rate, compound annually. She deposits $1750 into the accou
zheka24 [161]
A. i think i hope that’s the answer
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Which set of points is a function?
topjm [15]
B. Cannot have 2 y points on the same x point. Confirm with the vertical line test.
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4 years ago
I WILL GIVE BRAINLIST AND 5 STARS <br> Show that (2x + i)(2x – i) = 4x² + 1
sladkih [1.3K]

Answer:

see below

Step-by-step explanation:

(2x + i)(2x – i)

FOIL

first  2x*2x =4x^2

outer  -i * 2x = 2x i

inner i * 2x = 2x i

last i * -i = -i^2  and i^2 = -1  so - (i^2 ) = - (-1) = 1

Add together

4x^2 + 2xi -2x i +1

Combine like terms

4x^2 +1

8 0
3 years ago
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