3 years ago

-4x-9y=1 -x+2y=-4 send help thanks

1 answer:

6 0

Hey those are linear functions, gotta find Y or X and draw on two axis X/Y. in first y = 4/9x + 1/9. in second y = X/2 - 2.

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My friend recently proved 0=1 and i know something is wrong but i dont know what

konstantin123 [22]

Step-by-step explanation:

Remember when expanding radicals,

$\sqrt{ab} = \sqrt{a} \times \sqrt{b}$

When expanding radicals into two radicals, we don't let our radicand have two negative answers.

$i = \sqrt{ - 1}$

${i}^{2} = - 1$

We don't do this

$(\sqrt{ - 1} ) {}^{2} = \sqrt{ - 1 \times - 1}$

$- 1 = \sqrt{1}$

$- 1 = 1$

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Acute angles are angles that measure below 90°, meaning below a right angle.

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vaieri [72.5K]

x²(x - 4)(2x + 5) = 0

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3 years ago

What is three and 2 fourths and minus two and three fourths

netineya [11]

Answer:

The answer is 0.75

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1. Find m

Bess [88]

It's forming a circle so we know that together it's going to add up to 360. #1 is 66 because angle A trough E is straight and we have 90 on angle ACF and it's vertical to angle FCG. #2 is 125 because angle ACB is 24 because it's vertical to angle GCE. #3 is 114 because 90 and 24 is 114. #4 is 156 because 66 and 90 equal 156.
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2. BCD = 125
3. FCB = 114
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