3 years ago

How is completing the square beneficial? edge 2020 (journal activity)

Mathematics

1 answer:

polet [3.4K]3 years ago

4 0

Allows you to factor an equation that would normally not be factorable

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What is the median of 32, 28, 20, 33, and 22

Svetlanka [38]

Answer:28

Step-by-step explanation:

Re-arrange either ascending or descending order

20,22,28,32,33

The middle one is 28

Let's Re-arrange in descending

33,32,28,22,20

Same thing as the first step 28

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3 years ago

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Jeff needs to create a password for his E-mail account. The password must have four letters. How many different passwords can he

Flura [38]

Answer:

uh what about bang thats four words id.k

Step-by-step explanation:

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3 years ago

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Solve by substitution <br> X^2= 2y + 10<br> 3x-y = 9

Viefleur [7K]

Answer:

$x=-4\\ x=-2\\ y=-21\\ y=-15$

Step-by-step explanation:

$x^{2} =2y+10$

$y=-9+3x$

$x^{2} =2(-9+3x)+10$

$x^{2} =-18+6x+10$

$x^{2} =6x-8$

$x^{2} -6x+8$

$x=-4, -2$

$y=-9+3(-4)$

$y=-9-12$

$y=-21$

$y=-9+3(-2)$

$y=-9-6$

$y=-15$

8 0

4 years ago

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Write A number d minus 2 is less than -1 as an inequality

laiz [17]

Answer:

d-2 < -1

Step-by-step explanation:

4 0

3 years ago

(- 5x + 3y) (2x – 12y + 1)<br> Multiply

Sonbull [250]

The answer for this problem i −10x2+66xy−36y2−5x+3y

Let's solve it by step by step.

(−5x+3y)(2x−12y+1)

=(−5x+3y)(2x+−12y+1)

=(−5x)(2x)+(−5x)(−12y)+(−5x)(1)+(3y)(2x)+(3y)(−12y)+(3y)(1)

=−10x2+60xy−5x+6xy−36y2+3y

So, -10x2+66xy-36y2-5x+3y

If this didn't help you, you can also use blocks to help!

3 0

3 years ago