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3 years ago

What is the perpendicular and parallel slope of -2 (PLEASE SHOW HOW YOU GOT IT)

Mathematics

1 answer:

mr Goodwill [35]3 years ago

8 0

Answer:

Parallel slope of -2 is -2.
Perpendicular slope of -2 is 1/2.

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Determine if the solution set for the system of equations shown is the empty set, contains one point or is infinite. 5x+7=2y and

Luda [366]

Answer:

The correct option is option B. It has one solution, and it's x=-3

Step-by-step explanation:

We have the following system of equations:

5x+7 = 2y (1)

y-9x=23 (2)

Step 1: Solve for 'y' in equation (2):

y-9x = 23

y = 9x + 23

Step 2: Substitute in equation (1):

5x + 7 = 2y

5x + 7 = 2(9x + 23)

5x + 7 = 18x + 46

Step 3: Solve for x:

7 - 46 = 18x - 5x

-39 = 13x

x= -3

So the correct option is option B. It has one solution, and it's x=-3

7 0

3 years ago

Read 2 more answers

Please answer this correctly

RUDIKE [14]

Answer:

$11\dfrac{3}{8}\text{cm}$

Step-by-step explanation:

$1\dfrac{5}{8}+2\dfrac{9}{16}+2\dfrac{9}{16}+4\dfrac{1}{8}=11\dfrac{3}{8}$

Hope this helps!

3 0

3 years ago

In 2009 the number of vehicle sales in the United States was 10,002 thousand and in 2013 it was 17,884 thousand.a. [3 pts] Deter

anygoal [31]

Answer:

1970.5 thousand

Step-by-step explanation:

Given

Vehicle sales in 2009 = 10,002 thousand

Vehicle sales in 2013 = 17,884 thousand

Required

Determine the average rate of change;

From the given parameters, it can be seen that the number of vehicles is a function of year

Let x represent the years and y represent the number of vehicles;

Such that;

$x_1 = 2009;\ y_1 = 10,002$

$x_2 = 2013;\ y_2 = 17,884$

The rate of change is calculate as follows;

$m = \frac{y_1 - y_2}{x_1 - x_2}$

$m = \frac{10002 - 17884}{2009 - 2013}$

$m = \frac{-7882}{-4}$

$m = 1970.5$

Hence, the average rate of change is 1970.5 thousand

6 0

4 years ago

Perfect squares are closed under multiplication true or false

Viefleur [7K]

Answer:

True

Step-by-step explanation:

5 0

4 years ago

Find the value of x. 3) 2x (x + 21)

Xelga [282]

To find the x-intercept, substitute in

for

and solve for

. To find the y-intercept, substitute in

for

and solve for

x-intercept(s):

(

)

(

−

)

y-intercept(s):

(

)

5 0

2 years ago