3 years ago

Dose anyone know the answer to this question

Mathematics

2 answers:

ioda3 years ago

8 0

The answer to the question is D

marishachu [46]3 years ago

3 0

Answer:

Option D!

Step-by-step explanation:

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fredd [130]

Answer:

Do your homework by yourself

Step-by-step explanation:

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3 years ago

Find the quotient of these complex numbers.

stich3 [128]

9514 1404 393

Answer:

C. (45+11i)/29

Step-by-step explanation:

Multiply numerator and denominator by the conjugate of the denominator.

$\dfrac{5-7i}{2-5i}=\dfrac{(5-7i)(2+5i)}{(2-5i)(2+5i)}=\dfrac{(5)(2)+(-7i)(5i) +(5)(5i)+(-7i)(2)}{2^2+5^2}\\\\=\dfrac{(10+35)+(24-14)i}{29}=\boxed{\dfrac{45}{29}+\dfrac{11}{29}i}$

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3 years ago

One roll of carpet covers 900 square feet. how many rolls of carpet would be needed for a room that is 40ft. x 60ft.?

harina [27]

3 rolls of carpet

the square footage of 40ft*60ft=2,400
well then you divide it and you would need 3 rolls because the answer is 2.6 and then you would just round up

7 0

4 years ago

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Need help with this question

muminat

Answer:

(0,4)

Y =2.5X +4

Step-by-step explanation:

3 0

3 years ago

How to solve -2(x+3)=8

Shtirlitz [24]

-2(x + 3) = 8

Multiply -2 with x and 3

-2x -6 = 8

Now add 6 to both sides

-2x -6 = 8
+6 +8

-2x = 16

Lastly divide -2 from both sides to find x

-2x = 16
—— —-
-2x -2x

X = -8

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3 years ago

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