How to find restrictions on x

Mathematics

1 answer:

katrin [286]2 years ago

4 0

Can you please explain more? I don’t get what you mean.....

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Helpppppppppppppppppp

Sever21 [200]

Answer:

-1

Step-by-step explanation:

Square both sides of the equation. (That is what is meant by "use the inverse relationship.")

$i^2=(\sqrt{-1})^2\\i^2=\boxed{-1} \qquad\text{simplify}$

8 0

3 years ago

Four rulers and three pencils cost £2.15

Lubov Fominskaja [6]

Answer:

4r + 3p = 2.15

3r + 4p = 2.05

I have no idea.......

4 0

2 years ago

A merchant bought 30 dozen pairs of gloves how many individual gloves did the merchant buy

nordsb [41]

My best guess would be 720.

My work: 30 x 12 = 360

360 x 2 = 720

Hope this helps! If its not right please inform me on what I did wrong!

3 0

3 years ago

Laura can drive her car 260 miles on 10 gallons of gasoline. Michael can drive his car 280 miles on

Marianna [84]

Michael

Michel Can travel 70 mile on one gallon which is 1400 miles on 20 gallons

Laura can only travel 26 miles on one gallon which is 520 miles on 20 gallons

4 0

2 years ago

What are the solutions to x2 + 8x + 7 =0?

Nata [24]

The chosen topic is not meant for use with this type of problem. Try the examples below.

y = x+4

y = 2x-5

y = x-1

7 0

2 years ago