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
Julli [10]
3 years ago
13

Write an equivalent expression for each of the following. Express your answers in the form a + bi or a - bi

Mathematics
1 answer:
Lana71 [14]3 years ago
6 0

Answer:

44 +14i

Step-by-step explanation:

(5 + i)(9 + i)

FOIL

first 5*9 = 45

inner: 9i

outer :5i

last: i*i = i^2 = -1

Add togheter

45 + 9i+5i -1

Combine like terms

44 +14i

You might be interested in
Please help me on this ​
IgorC [24]

Answer:

15mm

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
How do you write 39.06 in word form
Artemon [7]
Thirty-nine and six hundredths 
8 0
3 years ago
Maxine is buying extra pages for her photo album. Each page holds exactly 8 photos. Sketch a graph to show the maximum number of
erastovalidia [21]
Ok so I can't sketch a graph for you because I don't know how to but i can give a formula that will help you graph it on your own. The equation is y = 8x having x represent the amount of extra pages you want to add. I came to this equation because if 8 photos can fit in each extra page and x represents the the extra pages then 8 photos is the slope for the equation y = mx + b. So if you were to graph this you will get a continuous line because it has no holes.
8 0
3 years ago
105 in radiu is equa to answer fast​
Dafna1 [17]

Answer: I would assume you mean 105 in radius to diameter which would be 210 since diameter is just radius times 2. <u>Otherwise, explain the question more since it's barely legible.</u>

7 0
3 years ago
A circle with center c(4,-2) contains the point D( 8,1). What is the equation of the line perpendicular to the radius of the cir
Nady [450]

Answer:

  4x +3y = 10

Step-by-step explanation:

The radius CD has slope Δy/Δx = (1-(-2))/(8-4) = 3/4.

The equation for the perpendicular line through point C(4, -2) can be written as ...

  Δx(x -4) +Δy(y -(-2)) = 0

  4(x -4) +3(y +2) = 0

  4x +3y -10 = 0 . . . . . . general form equation for the line

  4x +3y = 10 . . . . . . . . .standard form equation for the line

 

8 0
3 years ago
Other questions:
  • 2x=10<br> what is x=?<br> please help
    9·2 answers
  • (AHHHHH HELP I NEED THIS RIGHT NOW) Dan is using tiles to add Negative 8 + 6. He begins with the tiles shown below. 8 negative t
    11·2 answers
  • Given: 4x – 2y = 8 Transform the equation into slope-intercept form. Find the slope and y-intercept of the line. Find the equati
    8·1 answer
  • Can someone help me solve this 1/2:4=1/3:x
    10·1 answer
  • A bouquet of flowers has 12 roses and 15 carnations. Select all answers that express the ratio of roses to carnations.
    8·2 answers
  • There our 5 fish in a tank 3 of them drown and 2 of them swam away how many our left?
    15·2 answers
  • How many protons does Mg plus 2 have?
    15·1 answer
  • PLEASE HELP!! I don’t understand
    6·1 answer
  • A cereal box has a length of 8 inches, a width of1 - inches, and a height of 12 - inches. What is thevolume of the cereal box?
    12·2 answers
  • What is the value of the expression 2+32² • (5-1)?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!