What is each sum or difference?(7-2i)+(-3+i)

(1+5i)-(3-2i)

(8+6i)-(8-6i)

(-3+9i)+(3+9i)

Answers

Answer 1

Answer: 1. 4-i
2. -2+3i
3. 0
4. 18i

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Which number can be added to a rational number to explain that the sum of rational number and a irrational number is irrational?A) -8
B) 2 1/6
C) 5
D) 27

Answers

Answer:

Step-by-step explanation:

is correct. 5

cannot be expressed as a fraction. A rational number is any number that can be expressed as the quotient or fraction p/q of two integers, with the denominator q not equal to zero.

I am not sure this is right, but I would say A

2/3 of the pizza was left over from last night. Then, Marcy ate another 2/9 of it. How much is left now?

Answers

Answer: 4/9

Step-by-step explanation:

First find the LCD between 2/3 and 2/9. Which is 9

Then you place the fractions into like terms

2 =6

3 9

6/9 - 2/ 9= 4/9

First, find the LCD; that is 9.

2/3 = 6/9

6/9 – 2/9 = 4/9

There is 4/9 of the pizza left.

Suppose that x and y vary inversely, and x = 2 when y = 7. Write the function that models the inverse variation.

Answers

This answer uses NMF, which you can find in my profile:

y = {k}/{x}
7 = {k}/{2}
14 = k

f(x) = {14}/{x}

Create a list of steps, in order, that will solve the following equation.3(x + 1)2 = 108

Solution steps:

- Add 1 to both sides

- Divide both sides by 3

- Multiply both sides by 3

- Subtract 1 from both sides

- Square both sides

- Take the square root of both sides

PLSS HELP!!

Answers

Take a to be the first choice and so on
The order is b,f,d
Umm...I could really use up all the steps but hope it helps
Please mark as brainliest

Simplify the expression 10-4x(6+5-1) divided by 8+7

Answers

Simple,

writing out the problem...

$(10-4x(6+5-1))/(15)$

Simplify it...

-4x(6+5-1)

-4x(11-1)

-4x(10)

-40x

Making it look like...

$(10-40x)/(15)$

Cancel out the common factors...

Thus making the answer:

$- (2(4x-1))/(3)$ .

The quotient of 0.24 and 6 is 0.4.

[True]

Or

[False]