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3 years ago

Find the square root. −2.25−−−−√

Mathematics

1 answer:

Andreas93 [3]3 years ago

6 0

Simplify the radical by breaking the radicand up into a product of known factors, assuming positive real numbers.

1.5

1.5i

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A case of 24 pairs of the same kind of sport shoes cost a little more than $800. Explain whether $28 per pair with tax invluded

garik1379 [7]

Answer:

It is a good estimate for the shoes because 800 divided by 24 is

800 divided by 24 is 33.33. so $28 per pair plus tax is better than 33.33 plus tax.

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3 years ago

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Find the equation of the axis of symmetry for the parabola y = x2 + 2x − 9

Artemon [7]

Answer:

the answer is x=-1

Step-by-step explanation:

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3 years ago

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In need of help of these math questions

vitfil [10]

Answer:

1. 4

2. 6.4

3. 10.0828313253

Explanation:

15/12=1.25

8/1.25=6.4

3. ill write explanation for 3 later im occupied those are the correct answers

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3 years ago

Which function is the inverse of f(x) = –5x – 4?

Finger [1]

Answer:

f^(-1)(x) = \frac{-1}{5} (x+4)

Step-by-step explanation:

Given is a function

$f(x) = -5x-4\\$

To find its inverse.

We must check whether f is one to one or onto first

If -5x1-4 = -5x2-4 we get x1=x2

Hence f is one to one

Also for every f(x) we can find a x so f is onto.

So inverse exists

Let

$y=-5x-4\\-5x=y+4\\x=\frac{-1}{5} (y+4)$

Replace x by f inverse and y by x

$f^(-1)(x) = \frac{-1}{5} (x+4)$

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4 years ago

HELP THIS IS HARD SOMEONE pls

Lady bird [3.3K]

the segment DC is parallel to its image because the center of dilation is not on DC.

HOPE IT HELP

#CARRY ON LEARNING

FOLLOW ME AND MARK ME AS BRAINLIST PLSS

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3 years ago