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DiKsa [7]
3 years ago
14

Need help really fast. In timed test. Will rate Brainliest if answer and explained well. Plz.....

Mathematics
2 answers:
BARSIC [14]3 years ago
8 0
For 8- 600
for 12 - 1400
for 30- 5000
OverLord2011 [107]3 years ago
4 0

Answer:

8 customers:1500

12 customers:2300

20 customers:3900

30 customers:5900

Step-by-step explanation:

Substitute the # of customers for n

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3 0
3 years ago
Write an equation of the line perpendicular to
AysviL [449]

Answer:

From general equation of a line:

y = mx + b

m » slope, b » y-intercept.

but perpendicularly:

m _{1} \times m _{2} =  - 1 \\  - 3 \times m =  - 1 \\ m =  \frac{1}{3}

at point (6, 2):

2 = ( \frac{1}{3}  \times 6) + b \\ 2 = 2 + b \\ b = 0

therefore, equation is :

{ \boxed{ \boxed{y =  \frac{1}{3} x}}}

8 0
3 years ago
A number y increased by 5 is at least -21
gayaneshka [121]

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

\diamond\large\blue\textsf{\textbf{\underline{\underline{Given question:-}}}}

             ❖ A number y increased by 5 is at least -21.

\diamond\large\blue\textsf{\textbf{\underline{\underline{Answer and how to solve:-}}}}

          ❖ First, if you come across the word "increased" it means we

    "increase" a number, or add something to that number, like

y increased by 5 \longmapsto \sf{y+5}

Now, we are also given that this expression is at least -21, which means it can't be -21; it can be -21 or it can be greater than -21.

So we have

\longmapsto\sf{y+5\geq -21}}

<em>Solving for y</em>

<em></em>

  •   Subtract 5 on both sides:-

\longmapsto\sf{y\geq -21-5}

\longmapsto\sf{y\geq -26}

So the values of y greater than or equal to -26 will make this inequality true.

<h3>Good luck with your studies.</h3>

 \rule{300}{1}

7 0
2 years ago
Read 2 more answers
Please help me ... 6a + 2(c - b) when a = 2, b = 1, and c = 9 I know thë answer but I just need an explanation
Angelina_Jolie [31]

Answer:

Step-by-step explanation:

Let the expression representing a situation is,

y = 6a + 2(c - b)

Where, a, b and c are the constants

If a = 2, b = 1 and c = 9

By substituting these values in the expression,

y = 6(2) + 2(9 - 1)

y = 12 + 16

y = 28

Therefore, for all given values of the constants value of y is 28.

5 0
3 years ago
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