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Dafna1 [17]
3 years ago
8

(20 POINTS!)

Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
5 0

The slope formula is change in y over change in x

nadezda [96]3 years ago
3 0

Answer:

4

Step-by-step explanation:

Please write 0,0 and 4,16. as points:  (0, 0) and (4, 16).  As we go from the first to the second point, x increases by 4 and y by 16.  Thus, the slope of the line through these two points is

m = rise/run = 16/4 = 4.

This is the same result as

        16 - 0

m = ------------ = 4

          4 - 0

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Is it or not pls I need help
Alex73 [517]

Answer:

no it is not

Step-by-step explanation:

i drew the line bc in order for it to be a function there would have to be only one point in each line

hopefully this helps :)

have a nice day !!

5 0
3 years ago
Solve the equation for the given variable k/3-11=-20
taurus [48]
\frac{k}{3-11} = - 20

You can subtract the numbers in the parenthesis:
(3-11) = (-8)

Multiply the denominator to both sides so it cancels out and isolates the variable\frac{k}{-8} × -8 = - 20 × -8
-8 and -8 cancels out

k = 160

Quick check:
\frac{160}{(3-11)} = -20
\frac{160}{-8} = - 20
- 20 = - 20
Yes its right

the answer is: k =160
3 0
3 years ago
I would like to create a rectangular orchid garden that abuts my house so that the house itself forms the northern boundary. The
chubhunter [2.5K]

Answer:

Length = 5\ \text{ft}

Breadth = 5\ \text{ft}

Step-by-step explanation:

Let x be the length of the garden

and y be the width of the garden

From the details of the cost in the question we get

20x+2\times (10y)=200\\\Rightarrow 20x+20y=200\\\Rightarrow x+y=\dfrac{200}{20}\\\Rightarrow x+y=10\\\Rightarrow y=10-x

Now area of the garden is

A=xy\\\Rightarrow A=x(10-x)\\\Rightarrow A=10x-x^2

Differentiating with respect to x we get

\dfrac{dA}{dx}=10-2x

Equating with 0

0=10-2x\\\Rightarrow x=\dfrac{-10}{-2}\\\Rightarrow x=5

Double derivative of the area is

\dfrac{d^2A}{dx^2}=-2

So, area is maximum at x=5

y=10-x=10-5\\\Rightarrow y=5

So, the length and breadth of the rectangle is 5\ \text{ft}.

5 0
3 years ago
What kind of line is being constructed in this series of diagrams?
wolverine [178]
The line that is being constructed in the series of diagrams provided is perpendicular. 
6 0
3 years ago
Read 2 more answers
For what value of a are the graphes of 6y=-2x+4 and 2y=ax-5 paralle?perpendicular
Tamiku [17]
Parallel lines = same slope
a = -2

perpendicular lines = negative reciprocal slope
a = 1/2
3 0
4 years ago
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