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3 years ago

What is the value of (2 + 3i) + (6 - 4i)?

Mathematics

2 answers:

leva [86]3 years ago

8 0

Answer:

Step-by-step explanation:

user100 [1]3 years ago

3 0

Answer:

The answer is C

Step-by-step explanation:

(2 + 3i) + (6 - 4i) = 8 - i

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Suppose about 900,000 people live in an area of 1,800 square miles. What is the best estimate for the population density?

alukav5142 [94]

Answer:

The Population Density is $500\ People/mi^2$ .

Step-by-step explanation:

Given,

Total number of People = 900,000

Total Land Area = 1800 sq. mi.

Solution,

For calculating the population density, we have to divide the total number of people by the area of the land.

This can be framed in equation form'

$Population\ Density=\frac{Total\ Number\ of\ People}{Land\ Area}$

Now putting the given values, we get;

$Population\ Density=\frac{900,000}{1800\ mi^2}=500\ People/mi^2$

Hence The Population Density is $500\ People/mi^2$ .

5 0

3 years ago

The numbers $1,$ $2,$ $\dots,$ $10$ are to be entered into the 10 boxes shown below, so that each number is used exactly once: \

Agata [3.3K]

Answer:

Maximum = 756

Minimum = 600

Step-by-step explanation:

A square is a shape that has the large areas of a defined perimeter out of available rectangles. It implies they want the two parentheses to be as similar in value. as a result, to establish the maximum value of P.

And to establish the minimum value, to have the greatest difference for them. 1 + 2 + 3 ... +10=55, which wasn't even but which can be split as similarly as possible into 27 and 28 which have a product of 756. In this question it can be done in a variety of ways, one of which is:

(1 + 3 + 5 + 8 + 10) × (2 + 4 + 6 + 7 + 9) = 756

At the very least, the biggest difference can be created if one term is made of the smallest numbers, while the other full of the highest, or:

(1 + 2 + 3 + 4 + 5) × (6 + 7 + 8 + 9 + 10)=600

8 0

3 years ago

figure PQRS is a parallelogram. What are the measures of angles P and S? ∠P = 20°; ∠S = 160° ∠P = 40°; ∠S = 140° ∠P = 140°; ∠S =

viktelen [127]

I believe it is C (p=140 s=40)

4 0

3 years ago

Read 2 more answers

A bike shop marks up a hybrid bike from $200 to $330 and discounts a road bike from 330 to 200 by what you percent is the road b

erik [133]

Answer:

39.39%

Step-by-step explanation:

There's a nice little formula that is used to find percentage change which works regardless of if it's an increase or decrease.

$Percent~Change = |\frac{New~Value~-~Original~Value}{Original~Value}| * 100$

1 - Understanding the equation

The '|'s which are surrounding the fraction are absolute value symbols in mathematics,

Absolute value means the positive value of anything inside

Examples:

| -8 | = 8

| 8 | = 8

and

| -2 | = 2

| 2 | = 2

the * 100 means you multiply (the * symbol means multiply) by 100.

We do this to get it into a percent.

3 - Assign numbers to the values from our equation

Original Value (What it changed from): 330

New Value (What it changed to): 200

3 - Plug in our values into our variables from our equation $Percent~Change = |\frac{200-330}{330}| * 100 = |\frac{-130}{330}| = = |-0.39...| * 100 = 0.3939... *100 =$

Our percent change is 39.39%, and with our percent in which is discounted being the same, we have our answer.

Hope this helps :)

7 0

3 years ago

Whats the sum of 2x and 3

rjkz [21]

Answer:

5x maybe dont take my word

5 0

3 years ago