1 year ago

Please help me with this one!

Mathematics

1 answer:

Degger [83]1 year ago

7 0

Answer:

how do u do that....I have never did this before

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IrinaVladis [17]

A would be the answer.

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3 years ago

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Find the solutions to x2 = 28.

mr Goodwill [35]

Answer: $x = \pm2\sqrt{7}\\\\$

Work Shown:

$x^2 = 28\\\\x = \pm\sqrt{28}\\\\x = \pm\sqrt{4*7}\\\\x = \pm\sqrt{4}*\sqrt{7}\\\\x = \pm2\sqrt{7}\\\\$

This can be rewritten into $x = 2\sqrt{7} \ \text{ or } \ x = -2\sqrt{7}$

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2 years ago

1. A Square shaped wooden plate has a diagonal length of 30cm. Can you find the Perimeter of plate ?

DerKrebs [107]

Answer:

84.85cm

Step-by-step explanation:

Let the sides of the square be x

The perimeter of the square = 4x

Get x using the pythagoras theorem

x^2 + x^2 = 30^2

2x^2 = 900

x^2 = 450

x = 21.21cm

Perimeter of the plate = 4(21.21)

Perimeter of the plate = 84.85cm

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2 years ago

2x2 + 2x - 1 when x = -3

myrzilka [38]

2x2+2x-1=
4+2(-3)-1=
4+(-6)-1=
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2 years ago

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A law firm is going to designate associates and partners to a big new case. The daily rate charged to the client for each associ

andrew11 [14]

Answer:

there were 2 partners and 4 associates

Step-by-step explanation:

at 1300 per partner if you hire 2 thats 1300 x 2 = 2600

thrn 4 associates at 400 each 400 x 4 = 1600

now add 2600 + 1600 = 4200

6 0

3 years ago