1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sidana [21]
3 years ago
6

Show all work to multiply (2+√-25)(4-√-100)

Mathematics
1 answer:
ki77a [65]3 years ago
7 0

Answer:

<h3>-42</h3>

Step-by-step explanation:

given the expression;

(2+√-25)(4-√-100)

Note that √-25 = √-1 * √25

√-100 = √-1 * √100

According to complex number,  √-1 = i

√-25 = 5i

√-100 = 10i

The expression becomes

(2+5i)(4-10i)

Open the parentehsis;

= 2(4)-20i+20i-50i²

=  8-50i²

Since i² = -1

The expression becomes;

8-50i² = 8-50(-1)²

8-50i² = 8-50 = -42

Hence the product of the expression is -42

You might be interested in
Simplify -5-√-44<br><br> i have no idea
Tatiana [17]

Answer:

Undefined

Step-by-step explanation:

The square root of a negative number does not exist in the set of real numbers so it would be Undefined

6 0
2 years ago
A bank offers a loan for $8,000 which earns 4.25% interest compounded annually. What is the correct formula to determine how muc
Kisachek [45]

Answer:

C, A = 8,000(0.0425)5

7 0
3 years ago
The number of chickens to the the number of ducks on a farm was 6:5. after 63 ducks were sold, there were three times as many ch
Rom4ik [11]
Let x be the common factor between chickens and ducks. Then:
6x/(5x-63)=3/1
15x-189=6x
9x=189
x=21
6x=123 chickens were on the farm
☺☺☺☺
8 0
3 years ago
Read 2 more answers
Tell whether the lines through the given points are parallel, perpendicular, or neither. (-3,1), (1,9), (-2-9), (-1,-7)​
Brrunno [24]

Answer:

parallel

Step-by-step explanation:

all the details are in the attached picture.

4 0
3 years ago
We want to find the zeros of this polynomial:<br> p(x)= 3x^3 – 3x^2– 18x
bulgar [2K]

Answer:

x=0   x=3   x=-2

Step-by-step explanation:

p(x)= 3x^3 – 3x^2– 18x

Factor out the greatest common factor, 3x

p(x)= 3x (x^2 – x– 6)

Factor inside the parentheses

What 2 numbers multiplies to -6 and adds to -1

-3*2 = -6

-3+2 = -1

p(x)= 3x (x-3)(x+2)

Setting the function equal to zero to find the zeros

0 = 3x (x-3)(x+2)

Using the zero product property

3x = 0  x-3 =0   x+2 =0

x=0   x=3   x=-2

3 0
3 years ago
Read 2 more answers
Other questions:
  • Find the missing measure for a right circular cone given the following information. Find L.A. if r = 6 and h = 8 48 60 96
    9·1 answer
  • Find r for the geometric series with s5 = 484, a1 = 4, a5 = 324
    10·1 answer
  • Wayne needs to drive 470 miles to reach Milwaukee. Suppose he drives at a constant speed of 50 miles per hour. Which function re
    14·1 answer
  • In.
    6·2 answers
  • Square root of x^13 simplify
    9·1 answer
  • What is 67 divided by 3,098
    11·2 answers
  • What is the solution to 1−∣1/3q−5∣=−6.
    8·1 answer
  • 21 is 35% of what number (shown work)
    13·2 answers
  • Ok so I just got a 210 question test right and I have 1 day to complete it I'm on question 135 and it says 22,000 - 98,000 +23,9
    12·2 answers
  • Helpppp please!!!!!!!!!!!
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!