All categories

3 years ago

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

Mathematics

1 answer:

larisa86 [58]3 years ago

4 0

Answer:

5-15i+2i-6(i^2)

-6(i^2)-13i+5

You might be interested in

Haley's car gets at least 18 miles per gallon. She is planning a trip that is 200 miles.

maxonik [38]

Answer:

$11\ gallons$

Step-by-step explanation:

we know that

Haley's car gets at least $18$ miles per gallon

by proportion

Find the minimum number of gallons she'll need for a trip that is $200$ miles

$\frac{1}{18}\frac{gallon}{miles} =\frac{x}{200}\frac{gallon}{miles}\\ \\x=200/18\\ \\x= 11.11\ gallons$

7 0

3 years ago

Read 2 more answers

B) Simplify 9y - 6y + y

julsineya [31]

Answer:

The answer is 4y

Step-by-step explanation:

Simplify the expression.

Hoped this helped!

Could I perhaps get brainly?

8 0

3 years ago

Read 2 more answers

What is the average (with 0 decimal places) across all schools for the total score? Group of answer choices 1287 1215 1221 1229

Irina18 [472]

Answer:

See explanation

Step-by-step explanation:

Required

The average

The data whose average is to be calculated are not given.

However, the formula to calculate the average is:

$\bar x = \frac{\sum x}{n}$

Assume the data is:

$1287\ 1215\ 1221\ 1229$

This means that the number of schools is 4

So:

$\bar x = \frac{1287+ 1215+ 1221+ 1229}{4}$

$\bar x = \frac{4952}{4}$

$\bar x = 1238$

<em>The average of the assumed data is 1238</em>

5 0

3 years ago

What is the volume, in cubic M, of a cylinder with a height of 13M and a base radius of 3M, to the nearest 10th Place?

irina [24]

Answer:

The volume of the cylinder is 367.6 M^3

Step-by-step explanation:

Mathematically, we have the volume of a cylinder calculated as follows;

V = pi * r^2 * h

r is the base radius given as 3 m

h is the height given as 13 m

So, we have the volume as;

V = 22/7 * 3^2 * 13 = 367.6 M^3

7 0

3 years ago

Read 2 more answers

I need help please !!!!!!!

galina1969 [7]

Answer: The answer is C

4 0

3 years ago

Read 2 more answers