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
bixtya [17]
3 years ago
14

Find the multiplicative inverse of -2 in mod 7​

Mathematics
1 answer:
Elis [28]3 years ago
6 0

Answer:

  1. So something mod 7 is -2
  2. Lets consider what mod does as a commands: If you have 7 and then mod it by 2 ie 7%2 you get 1
  3. Essentially mod is seeing how many times a # goes into the other number and finding the remainder.
  4. In this case we want the remainder of 2: -8%3 =-2
  5. note there is also a mathematical procedural way to solve this.
  6. Rate positively and give brainlist
You might be interested in
8.804 divided by 0.903 (include remainder) plz
nignag [31]

the answer is 9.74972315 I hope you have the right answer I hope this is helpful


7 0
4 years ago
Check the image needed more words :p
Olin [163]
I got 16.8 , but she’ll need roughly 17 gallons of paint :)

how i did it :

1. so you know she’ll need 4/5 per book case, and there are 16 bookcases.
2. So you do 16 x 5, then you get 84
3. and you divide 84 by 5. and you’ll get 16.8, that’s how many gallons of paint she needs
6 0
4 years ago
Read 2 more answers
The length of a rectangle is twice its width. if the area of the rectangle is 50 yds2 , find its perimeter
Law Incorporation [45]
Hello : 
x : length     y :<span> width
</span>xy = 50 ...(1)
x = 2y ...(2)
dubsct in (1) : 
(2y)(y) = 50
y² = 25
y = 5
x = 10

7 0
3 years ago
lara has a tin of peanuts cashews and pecans she will pick a second nut without looking. how many outcomes are there for her two
KiRa [710]
Possible procedures:

1). peanut, peanut
2). peanut, cashew
3). peanut, pecan
4). cashew, peanut
5). cashew, cashew
6). cashew, pecan
7). pecan, peanut
8). pecan, cashew
9). pecan, pecan.

Nine (9) possible procedures.
But ...
(2) and (4) produce the same final result.
(3) and (7) produce the same final result.
(6) and (8) produce the same final result.

So there are only <em><u>six (6)</u></em> possible different outcomes.
6 0
3 years ago
Read 2 more answers
11r+7s what is the answer please help!
Tasya [4]
That is the answer. you can't simplify it.
7 0
4 years ago
Other questions:
  • Given the Formula E equals IR what is the formula R
    11·2 answers
  • Which is a fraction?<br><br> 11<br> 2/3<br> 4<br> 2
    7·2 answers
  • If f(x)=1/6x+12, then f^-1(x)=<br> PLEASE HELP
    9·1 answer
  • 8. Measurement Jillian measured the distance around a small fishpond as 27 yards Which would be a good estimate for the distance
    7·1 answer
  • Solve for z:2^3z+9=8^2z+1
    12·2 answers
  • Which pairs of polygons are congruent?
    15·2 answers
  • Solve the equation: <br> 1.)     y/6 + 12 = (-12)<br> 2.)     y/3 - 4 = (-20)
    14·1 answer
  • Answer please will mark Brainly
    10·1 answer
  • Can someone good with math help out ?
    10·1 answer
  • Use any method to solve the equation. If necessary, round to the nearest hundredth. 8x2 + 18x − 24 = 0 0.94, –3.19 1.88, –6.38 2
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!