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3 years ago

The answer is need is for number 8

Mathematics

1 answer:

frozen [14]3 years ago

8 0

Answer: I make 15 dollars every week at my job

Step-by-step explanation: your x is likely representing a time like weeks and your y is most likely going to be the amount of something like money. so if x increases by one every time and y increases by 15 every time your scenario could be i make 15 dollars every week at my job.

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A line passes through the points (1, 4) and (3, –4). Which is the equation of the line?

horsena [70]

Answer:

The equation of line passing through points (1 , 4) and (3 , - 4) is y = - 4 x + 8

Step-by-step explanation:

Given as :

A line is passing through points

$x_1$ , $y_1$ = 1 , 4

$x_2$ , $y_2$ = 3 , - 4

Now, Equation of line in point-slope form is

y - $y_1$ = m × (x - $x_1$ )

where m is the slope of line

∵ m = $\dfrac{y_2 - y_1}{x_2 - x_1}$

i.e m = $\dfrac{ ( - 4 ) - 4}{3 - 1}$

Or, m = $\dfrac{ - 8}{2}$

Or, m = - 4

So, The slope of line = m = - 4

∵, equation of line can be written as

y - $y_1$ = m × (x - $x_1$ )

So, Putting the value of slope, m and points ( $x_1$ , $y_1$ )

i.e y - 4 = ( - 4 ) × ( x - 1 )

Or, y - 4 = ( - 4 ) × x + 4

Or, y - 4 = - 4 x + 4

Or, y = - 4 x + 4 + 4

∴ y = - 4 x + 8

So, The equation of line y = - 4 x + 8

Hence, The equation of line passing through points (1 , 4) and (3 , - 4) is y = - 4 x + 8 Answer

8 0

3 years ago

Read 2 more answers

PLEASE HELP:URGENT

trasher [3.6K]

The answer is C: 80 feet

5 0

3 years ago

Read 2 more answers

Joint-Serve Prosthetics spends 43% of its total expenses for payroll. It increased its total expenses when it spent $250,000 for

Leni [432]

Answer: $2,150,000

Explanation: Let

T = Total expenses of Joint-Serve

Then, before the company acquired robotic assemblers, the expenses allocated for payroll is given by

Expenses for Payroll = 43% of Total Expenses
Expenses for Payroll = 0.43T (1)
(Because 43% = 0.43)

Because the total expenses increased by $250,000 after spending for robotic assemblers, the total expenses = T + 250,000

So, the payroll expense is now calculated as

Expenses for Payroll = 38% of Total Expenses
Expenses for Payroll = 0.38(T + 250,000) (2)
(Because 38% = 0.38 and total expenses = T + 250,000)

By comparing equations (1) and (2),

$0.43T = 0.38(T + 250,000)
\\ 0.43T = 0.38T + 0.38(250,000)
\\ 0.43T = 0.38T + 95,000
\\ 0.43T - 0.38T = 95,000
\\ \frac{0.05T}{0.05} = \frac{95,000}{0.05} 
\\ \boxed{T = \$ 1,900,000}$

Thus, the total expense before the purchase of robotic assemblers is T = $ 1,900,000. Therefore, the total expense after purchasing the robotic assemblers is T + 250,000 = 1,900,000 + 250,000 = $2,150,000

6 0

3 years ago

Find the factored form of -7y - y2 = 0

miskamm [114]

Answer:

-y(7+y) =0

Step-by-step explanation:

-7y - y^2 = 0

Factor out a -y

-y(7+y) =0

Using the zero product property

-y =0 and 7+y =0

y=0 7-7+y = 0-7

y=0 y = -7

6 0

3 years ago

There are three steps necessary to make money grow. Investing over time and earning interest are two of the necessary steps. Whi

MatroZZZ [7]

Answer c

Hope this helps :)

5 0

4 years ago