MATHEMATICS HIGH SCHOOL

Write (picture included) as a complex number in standard form.

Answers

Answer 1

Answer:

Answer:

-9/4 -4i

Step-by-step explanation:

-3i + 3/4 + 2i -(3+ 3i)

The first step is to simplify the terms

-3i + 3/4 + 2i -(3+ 3i)

Now we distribute the negative sign

-3i + 3/4 + 2i -3- 3i

Now combine like terms

3/4 -3 -3i+2i -3i

-2 1/4 -4i

Change the mixed number to an improper fraction.

-(4*2+1)/4 -4i

-9/4 -4i

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Is -5/8+3/5 irrational number

Simplify -(3x - 4y) +x by combining like terms

Answers

$-(3x - 4y) + x$

$-3x - (-4y) + x$

$-3x + x + 4y$

$= -2x + 4y$

-(3x - 4y) + x = -3x - (-4y) + x = -3x + x + 4y = -2x + 4y

Find the product of 2x4(4x2 + 3x + 1). 8x6 + 6x5 + 2x4

8x8 + 3x4 + 2x4

2x4 + 6x5 + 8x6

6x6 + 5x5 + 3x4

Answers

Answer:

The product of the $2x^(4)(4x^(2)+3x+1)$ is $8x^(6)+6x^(5)+2x^(4)$ .

Step-by-step explanation:

As given the expression in the question be

$= 2x^(4)(4x^(2)+3x+1)$

First open the bracket

$= 2x^(4)* 4x^(2)+2x^(4)* 3x+2x^(4)* 1$

Now by using the property

$x^(a)* x^(b)=x^(a+b)$

$= 8x^(6)+6x^(5)+2x^(4)$

Therefore the product of the $2x^(4)(4x^(2)+3x+1)$ is $8x^(6)+6x^(5)+2x^(4)$ .

$2x^4(4x^2 + 3x + 1)=\n\n(2x^4)(4x^2)+(2x^4)(3x)+(2x^4)(1)=\n\n8x^6 + 6x^5+2x^4$

The answer is A.

Sunday: 1 1 2 Monday: 1 Tuesday: 2 1 2 Wednesday: 1 3 4 Thursday: 2 Friday: 1 1 2 Saturday: 2 Jenna is a swimmer and trains every day. The schedule shown outlines the number of hours she trains each day. If she misses the Wednesday practice, what is the total number of hours that she trains? A) 10 1 2 hours B) 10 C) 11 3 4 hours D) 12 hours

Answers

12 1\4

yeppppp thats tghe answer btw what school do yall go to?

there are 765 marbles in a in a box. there are twice as many blue marbles as green marbles. there are 3 times as many red marbles as blue marbles, how many red marbles in the box

Answers

let the no. of green marbles be x
no of blue marbles = 2x
no of red marbles = 3*2x = 6x
total marbles = 765
so, x+2x+6x = 765
or, x = 765/9 = 85
no of red marbles = 6*85 = 510

4)The temperature dropped 3 degrees every hour for 3 hours. Write an expression and write an
integer to represent the total temperature change.

Answers

Answer:

I think the integer that represents the change in temperature is -15.

Final answer:

The expression representing the temperature change is 3 * -3, and the total temperature change, calculated from this, is -9 degrees.

Explanation:

In this problem, we are given that the temperature dropped 3 degrees every hour for a total of 3 hours. To find the total temperature change, we must multiply the number of hours by the change in temperature every hour. So, the expression to represent this situation is 3 * -3.

To find the total temperature change, we plug in the given numbers into the expression. This results in -9. The negative sign indicates a drop in temperature. So, the integer representing the total temperature change is -9 degrees.

Learn more about Temperature Change here:

brainly.com/question/32089365

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(x - y)^2 + 4z(x - y) +3z^2 (and btw ^2 means squared and this is going for 10 points)

Answers

(x - y)² = x² + y² - 2xy

4z(x - y) = 4zx - 4zy

3z² = 3z²

Addum all up:

x² + y² - 2xy + 4zx - 4zy + 3z²

(To me, it was a lot simpler before I simplified it.)

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