2 years ago

SOMEONE PLEASE HELP ME WITH THIS KHAN ACADEMY ASSIGNMENT ASAP

Mathematics

1 answer:

Alchen [17]2 years ago

4 0

Answer:

(8,-4)

Step-by-step explanation:

The difference between A and M is 2.5x and -4y

so B would be 5.5+2.5 and 0-4

(8,-4)

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2 years ago

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Step-by-step explanation:

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ASAP! Simplify -5 - square root -44

Tju [1.3M]

Answer:

$\boldmath-5-2i\sqrt{\boldmath11}$

Step-by-step explanation:

The not simplified form is $-5-\sqrt{-44}$

you know that $\sqrt{a\times b} = \sqrt{a} \times\sqrt{b}$ is true a and b are both positive or one of it is negative (not both of them).

You can write -44 as -1 × 4 × 11 inside square root.

So, $\sqrt{-44} = \sqrt{-1\times4\times11}=\sqrt{-1}\times\sqrt{4}\times\sqrt{11}=i\times2\times\sqrt{11}$ ( $\sqrt{4}=2$ )

$\therefore -5-\sqrt{-44} = -5-2i\sqrt{11}$

(NOTE : You must know that $\boldmath\sqrt{\boldmath-1}$ is written as $\boldsymbol i$ )

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3 years ago

A factory inspector found flaws in 3 out of 18 wooden boxes what is the experimental probability that the next wooden box will b

Sphinxa [80]

Answer:

16.666% would be flawed.

Step-by-step explanation:

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2 years ago

Y= x^2-4x+3 in vertex form

Karolina [17]

Answer:

$y=(x-2)^2-1$

Step-by-step explanation:

Complete the square

$y=x^2-4x+3\\\\y+1=x^2-4x+3+1\\\\y+1=x^2-4x+4\\\\y+1=(x-2)^2\\\\y=(x-2)^2-1$

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1 year ago