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
sergiy2304 [10]
3 years ago
13

given two points m and n on the coordinate plane, find the slope of mn and state the slope of the line perpendicular to mn

Mathematics
1 answer:
pochemuha3 years ago
3 0
(m,n).....slope = n/m

slope of line perpendicular = -m/n
You might be interested in
A student spent 15 minutes getting a 2-foot by 3-foot bulletin board. To the nearest tenth of a minute, how long did it take the
Cerrena [4.2K]

Answer:

The student took 2.5 minutes to paint 1 square foot.

Step-by-step explanation:

In order to know how long the student took to paint each square foot we first need to know the total area of the bulletin board. Since it is a rectangle we can compute it's area by multiplying the width and the height. That is:

area = 2*3 = 6 square foot

Since the student took 15 minutes to paint the whole board the pace at which he was working can be calculated by dividing the total area of the board by the time he took to paint all of it. So we have:

pace = 6/15 = 0.4 foot/min

To find how long it took him to paint 1 square foot we can divide it by the pace he was painting. We have:

time = 1/0.4 = 2.5 minutes

The student took 2.5 minutes to paint 1 square foot.

3 0
4 years ago
If 5 gallons of milk costs $12, how much should 1 pint cost?
Igoryamba

Answer:

$1.50

Step-by-step explanation:

There are 8 pints in a gallon so divide 12 and 8 to find the cost of 1 pint

Reduce the expression, if possible, by cancelling the common factors.

6 0
3 years ago
Simplify: 10 - 2(3+4)*
melomori [17]

Answer:  -4

Step-by-step explanation:

8 0
3 years ago
The recycling club has a goal to recycle 2,000 pounds of newspaper this year. They have already recycled 1,585 pounds. How many
Burka [1]
Hi lola66795 i know the answer the answer is  415 pounds what you have to do is subtract 1585 from 2000 and you will get 415
3 0
4 years ago
Cory's average score after 8 tests is 91%. If he gets a 78% on his 9th test what will his new average be?
Luda [366]
You should be able to multiply 91 by 8 to get the sum of the first 8 tests, then add the score on the 9th test. Then to get the average of the sum of the 9 tests you need to divide it by 9.
((91*8)+78)/9=89.555555555555.... So, 90%
3 0
4 years ago
Other questions:
  • Ron started a new job which paid him $60 for the first day of training. after the first day, he will be paid $7 per hour. write
    11·2 answers
  • Please help I am on number 1 please explain
    6·1 answer
  • Jess recently started a business producing cosmetic products made from natural ingredients. She wants to advertise her products
    8·2 answers
  • Brainliest for the correct awnser!! A calculator was used to perform a linear regression on the values in the table. The results
    13·1 answer
  • Find the output, k, when the input, t, is -7<br><br> K = 10t - 19 <br><br> K= ?
    14·1 answer
  • Which expression is equivalent to 12/15?<br> A. 25÷12<br> B. 12÷25<br> C. 12÷1/25<br> D. 25÷1/12
    6·1 answer
  • Help please?
    15·2 answers
  • Square OABC is drawn on a centimetre grid. O is (0,0) A is (3,0) B is (3,3) C is (0,3) Write down how many invariant points ther
    7·1 answer
  • Factor the expression: x^6-729. Show your work Please.
    9·1 answer
  • Write the algebraic expression for 'x plus five is twenty three'.
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!