Ask question

Ask question

All categories

anzhelika [568]

3 years ago

5

Evaluate (2 - 5i)(p + q)i when p = 2 and q = 5ia. 29ib. 291-20C.-21id.29

2 answers:

attashe74 [19]3 years ago

8 0

Answer:

A. 29i

Step-by-step explanation:

Step 1: Plug in given variables

(2 - 5i)(2 + 5i)i

Step 2: Difference of squares (expand)

(4 - 25i²)i

Step 3: Imaginary numbers rules

(4 - 25(-1))i

Step 4: Combine like terms

(4 + 25)i

(29)i

Your final answer will be 29i

kaheart [24]3 years ago

8 0

Answer:

Its A on edg

Step-by-step explanation:

follow my ifunny "dankmemehistory"

You might be interested in

Steve makes the tree diagram shown to find the possible outcomes of tossing a penny, a nickel, and a dime. What is the probabili

stiks02 [169]

Hi there!

Since there is a 50% chance of any coin landing on heads and a 50% chance of any coin landing on tails, the chance that all 3 coins land on either heads or tails (the same side) is 50% * 50% * 50%.

50% * 50% * 50%
= 0.5 * 0.5 * 0.5
= 0.25 * 0.5
= 0.125

Now, we need to convert into a percentage:

0.125 = 12.5%

So, the answer is 12.5%.

Hope this helps!

5 0

3 years ago

A color printer prints 29 pages in 12 minutes.<br> How many minutes does it take per page?

Julli [10]

Answer:

b b

Step-by-step explanation:v gv g

8 0

3 years ago

Read 2 more answers

A merry-go- round spins at a rate of 3 miles in 5 minutes.

Sidana [21]

36 miles an hour
3miles/5min to x/60min multiply top and bottom by 12 and you get 36miles/60min

4 0

2 years ago

someone please explain to me how to find the area PLEASE! Find the area and perimeter of quadrilateral ABCD below. Explain your

Lunna [17]

Answer:

Part A) The area of the figure is $24\ units^{2}$

Part B) The perimeter of the figure is $20\ units$

Step-by-step explanation:

step 1

Find the area of the figure

we know that

The area of the figure is equal to the area of triangle ABD plus the area of triangle BCD

The area of triangle is equal to

$A=\frac{1}{2}bh$

<u>Area of triangle ABD</u>

Observing the graph

$b=BD=(-2+8)=6\ units$

$h=(9-5)=4\ units$

substitute

$A=\frac{1}{2}(6)(4)=12\ units^{2}$

<u>Area of triangle BCD</u>

Observing the graph

$b=BD=(-2+8)=6\ units$

$h=(5-1)=4\ units$

substitute

$A=\frac{1}{2}(6)(4)=12\ units^{2}$

The area of the figure is

$12\ units^{2}+12\ units^{2}=24\ units^{2}$

step 2

Find the perimeter of the figure

we know that

The perimeter of the figure is equal to

$P=AB+BC+CD+AD$

we have

$A(-5,1),B(-8,5),C(-5,9),D(-2,5)$

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

Find the distance AB

$d=\sqrt{(5-1)^{2}+(-8+5)^{2}}=5\ units$

Find the distance BC

$d=\sqrt{(9-5)^{2}+(-5+8)^{2}}=5\ units$

Find the distance CD

$d=\sqrt{(5-9)^{2}+(-2+5)^{2}}=5\ units$

Find the distance AD

$d=\sqrt{(5-1)^{2}+(-2+5)^{2}}=5\ units$

substitute the values

$P=5+5+5+5=20\ units$

7 0

3 years ago

Check whether 7+3x is a factor of 3x^3+7x

BartSMP [9]

Answer:

no

Step-by-step explanation:

refer to picture for solution

3 0

3 years ago