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
sp2606 [1]
3 years ago
12

Section 1 - Topic 9 Parallel and Perpendicular Lines - Part 2 (please help)

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

9514 1404 393

Answer:

  1. y = -1/7x
  2. y = 2x -7

Step-by-step explanation:

1. The slope of the given line is the x-coefficient, 7. The slope of the perpendicular line is the negative reciprocal of this: -1/7. Since the line goes through the origin, the y-intercept is zero.

  y = -1/7x

__

2. The first part of this problem is to find the solution to the given system of equations. We can substitute for x to do that:

  3(5 -y)-2y = 10

  15 -5y = 10 . . . simplify

  -3 +y = -2 . . . . divide by -2

  y = 1, x = 4 . . . add 3 to find y; subtract y from 5 to find x

__

The second part of this problem requires we note the slope of the parallel line. It is the x-coefficient, 2. The y-intercept can be found from ...

  b = y -mx = 1 -2(4) = -7

So, the desired line in y=mx+b form is ...

  y = 2x -7

_____

The first attachment shows the perpendicular lines of problem 1.

The second attachment shows the parallel lines of problem 2.

You might be interested in
The scores on ms. martin's statistics quiz had a mean of 12 and a standard deviation of 3. ms. martin wants to transform the sco
yawa3891 [41]
<span>CorrectThe direction of the electric field stays the same regardless of the sign of the charges that are free to move in theconductor.Mathematically, you can see that this must be true since the expression you derived for the electric field isindependent of .Physically, this is because the force due to the magnetic field changes sign as well and causes positive charges tomove in the direction (as opposed to pushing negative charges in the direction). Therefore the result isalways the same: positive charges on the side and negative charges on the side. Because the electric fieldgoes from positive to negative charges will always point in the direction (given the original directions of</span>
4 0
3 years ago
What is the resulting equation when the expression for y in the second equation is substituted into the first equation-3x+2y=-3
Alex

Answer:

x=-5/11, y=-9/11. (-5/11, -9/11).

Step-by-step explanation:

3x+2y=-3

y=4x+1

---------------

3x+2(4x+1)=-3

3x+8x+2=-3

11x=-3-2

11x=-5

x=-5/11

y=4(-5/11)+1

y=-20/11+11/11

y=-9/11

5 0
3 years ago
Do 2 and 3, please. show all your work
nignag [31]
The answer would be b and c
3 0
3 years ago
Read 2 more answers
Develop a probability model for the spinner shown.<br> Will give brainliest!
krok68 [10]

Answer:

Suppose we roll a six-sided number cube. Rolling a number cube is an example of an experiment, or an activity with an observable result. The numbers on the cube are possible results, or outcomes, of this experiment. The set of all possible outcomes of an experiment is called the sample space of the experiment. The sample space for this experiment is \displaystyle \left\{1,2,3,4,5,6\right\}{1,2,3,4,5,6}. An event is any subset of a sample space.

The likelihood of an event is known as probability. The probability of an event \displaystyle pp is a number that always satisfies \displaystyle 0\le p\le 10≤p≤1, where 0 indicates an impossible event and 1 indicates a certain event. A probability model is a mathematical description of an experiment listing all possible outcomes and their associated probabilities. For instance, if there is a 1% chance of winning a raffle and a 99% chance of losing the raffle, a probability model would look much like the table below.

Outcome Probability

Winning the raffle 1%

Losing the raffle 99%

The sum of the probabilities listed in a probability model must equal 1, or 100%.

4 0
3 years ago
HELP PLZ PICTURE^ Need it asap porfa
timurjin [86]

Answer:

it has one solution

Step-by-step explanation:

1.y=x-3

2. 3y-3x sub x-3 in place of y therefore

it can also be written as 3x-3x-9=9

if you add 9 to both sides 3x-3x-9+9=-9+9

0+0=0

3 0
4 years ago
Other questions:
  • The sum of 3 consecutive even numbers of 78
    15·2 answers
  • A truck can be rented from Company A for $120 a day plus $0.70 per mile. Company B charges $80 a day plus $0.90 per mile to rent
    6·1 answer
  • Can someone help with this please
    13·2 answers
  • HELP PLEASE WILL GIVE BRAINLIEST
    6·1 answer
  • An object is moving at a speed of 230 feet per week. Express this speed in inches per
    13·2 answers
  • If the volume of a pyramid is 24 cm3, what is the volume of a prism with the same base area and height?
    6·2 answers
  • Help ASAP please its due in 5 min!
    6·1 answer
  • A factory robot recently examined some bulbs, of which 2 were flawed and 36 were not. Considering this data, how many flawed bul
    8·1 answer
  • Insert two rational number between 1.3 bar and 1.4 bar​
    8·1 answer
  • Combine like terms to write the expression in simplest form.<br> 42? + 5y? 2² - 3y²<br> 3y” — Бу
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!