3 years ago

Answer my question for brainiest

Mathematics

1 answer:

11Alexandr11 [23.1K]3 years ago

8 0

Answer:

-13 = n - 4

Step-by-step explanation:

-13 is four less than a number n

so four less than n can be written as n - 4

-13 = n - 4

n= -9

You might be interested in

Kodiak is riding her skateboard down a hill. What is the slope? Please help asap

Westkost [7]

Answer:

Slope = 1/20

Step-by-step explanation:

Because every 1 second, she goes down 20 feet.

8 0

3 years ago

Read 2 more answers

Find the mean salary of 60 workers of a factory from the following table.

timama [110]

Answer:

To find the mean (average) all the # of workers and divide it by the data points. One way you can do this is through a calculator or even Excel spreadsheet.

Step-by-step explanation:

1) Add all them up

2) Divide them by the # of data points

4 0

2 years ago

Does the given equation of line form parallel lines or not

malfutka [58]

$k:y=m_1x+b_1;\ l:y=m_2x+b_2\\\\k\ \perp\ l\iff m_1\cdot m_2=-1\\\\k\ ||\ l\iff m_1=m_2$

$k:x+4y=10\ \ \ |-x\\\\4y=-x+10\ \ \ \ |:4\\\\y=-\dfrac{1}{4}x+\dfrac{10}{4}\to m_1=-\dfrac{1}{4}\\\\l:3x-2y=5\ \ \ \ |-3x\\\\-2y=-3x+5\ \ \ \ |:(-2)\\\\y=\dfrac{3}{2}x-\dfrac{5}{2}\to m_2=\dfrac{3}{2}$