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3 years ago

Solving equation by taking square roots

Mathematics

2 answers:

Daniel [21]3 years ago

7 0

You know the other answer is true

VMariaS [17]3 years ago

3 0

Do you mean it like a true or false? if so, then the answer is true.

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Let a = 2i + 3, b= i – 1, and c= -3i + 2. Which expression is equivalent to a -b- c?A. –2i +4B. 4i + 2C. 4i + 4D. -2i + 2

34kurt

Given:

$\begin{gathered} a=2i+3 \\ b=i-1 \\ c=-3i+2 \end{gathered}$

You know that:

$a-b-c=(2i+3)-(i-1)-(-3i+2)$

In order to solve the operation, you can follow these steps:

1. Distribute the negative signs. Remember the Sign Rules for Multiplication:

$\begin{gathered} +\cdot+=+ \\ -\cdot-=+ \\ +\cdot-=- \\ -\cdot+=- \end{gathered}$

Then:

$=2i+3-i+1+3i-2$

2. Combine the like terms (add the Real Parts and add the Imaginary Parts):

$=4i+2$

Hence, the answer is: Option B.

3 0

1 year ago

The length of an swimming pool is best measure in

tino4ka555 [31]

Answer: yards and meters

Step-by-step explanation:

6 0

3 years ago

Darnel buys a computer priced at $331. If the sales tax is 5%,how much tax will Darnel pay?

34kurt

Answer:

347.55

Step-by-step explanation:

331 x 0.05 =16.55

16.55 + 331 = 347.55

5 0

2 years ago

Read 2 more answers

-845 degree coterminal angle

meriva

Check the picture below.

with negative angles, we go "clockwise", the same direction a clock hands move.

so -360-360-125 = -845.

so as you see in the picture, you go around twice, and then a little bit more, an extra 125°, landing you at -125°, or its positive counterpart, 235°.

6 0

3 years ago

ILL GIVE BRAINLIEST IF CORRECT!! The average of x+6, 6x+2, and 2x+7 is 4x-7. What is x?

mina [271]

Answer:

35/3

Step-by-step explanation:

$\frac{x+6 + 6x+2+x+6}{3} =4x-7$

Simplify to get

9x+14=3(4x-7)

35=3x

x=35/3 or 11.66

6 0

3 years ago