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Elanso [62]
3 years ago
6

Does anyone know how to calculate this

Mathematics
1 answer:
stich3 [128]3 years ago
5 0

Answer:

no not me sorry I wish I could help.

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Write the equation of the line in fully simplified slope-intercept form.
Lina20 [59]

Answer:

y=-6x+2

Step-by-step explanation:

Hi there!

Slope-intercept form: y=mx+b where <em>m</em> is the slope and <em>b</em> is the y-intercept (the value of y when x=0)

<u>1) Determine the slope (</u><u><em>m</em></u><u>)</u>

m=\displaystyle \frac{y_2-y_1}{x_2-x_1} where two points that fall on the line are (x_1,y_1) and (x_2,y_2)

Given the graph, we determine which points we could use. For example, we could use the two points (0,2) and (1,-4):

m=\displaystyle \frac{-4-2}{1-0}\\\\m=\displaystyle \frac{-6}{1}\\\\m=-6

Therefore, the slope of the line is -6. Plug this into y=mx+b:

y=-6x+b

<u>2) Determine the y-intercept (</u><u><em>b</em></u><u>)</u>

Recall that the y-intercept occurs when x=0. Given the point (0,2), we know that the y-intercept is 2. Plug this into y=-6x+b:

y=-6x+2

I hope this helps!

5 0
3 years ago
Simplify: (7+2a)·3–20 =
Black_prince [1.1K]
<h2>Greetings!</h2>

Answer:

6a + 1

Step-by-step explanation:

First, you need to multiply everything in the brackets by 3L

(7 + 2a) x 3 =

7 * 3 = 21

2a *  3 = 6a

21 + 6a

Now you can subtract the 20 from this:

6a + 21 - 20

Simplified down:

6a + 1


<h2>Hope this helps!</h2>
6 0
3 years ago
Let r(d) represent the monthly revenue, in dollars, from selling skateboards when the price of a skateboard has been decreased b
vodka [1.7K]

Answer:

A.\ \ r(d)=-100(d-25)^2+122,500

Hope this helps!

3 0
3 years ago
Which statement best describes the effect of the confounding variable?
DiKsa [7]

Answer:

D

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
. Find the domain and range of y=(3-x)2<br><br>-8.​
HACTEHA [7]

Domain : ( – ∞ ,  ∞ ) , {x/x ∈ R }

Range : [ 0 ,  ∞ ) , { y/y ⩾ 0 }

I hope I helped you^_^

3 0
3 years ago
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