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Bezzdna [24]
3 years ago
12

I need help please.........

Mathematics
1 answer:
kogti [31]3 years ago
6 0
This is what I got I hope it can help you

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Find the following equation
adoni [48]

Answer:

y=\frac{-1}{2}x+7

Step-by-step explanation:

Slope intercept form: y=mx+b when m is the slope of the line and b is the y-intercept (the y-coordinate of the point the line crosses the y-axis)

<u>1) Find the slope (</u>m<u>)</u>

m=\frac{y_2-y_1}{x_2-x_1} when the points are (x_1,y_1) and (x_2,y_2)

We can use any two points that the table gives us to plug into this equation. For example, we can use the points (14,0) and (0,7):

m=\frac{0-7}{14-0}\\m=\frac{-7}{14}

Simplify the fraction

m=\frac{-1}{2}

So far, our equation looks like this:

y=\frac{-1}{2}x+b

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

The y-intercept is the y-coordinate of the point the line crosses the y-axis, or in other words, it's the value of y when x is equal to 0.

Looking at the table, we can see that y is equal to 7 when x is equal to 0, so, therefore, b=7.

Now, this is our final equation after plugging in m and b:

y=\frac{-1}{2}x+7

I hope this helps!

3 0
3 years ago
If 1 centimeter on the scale drawing represents 2 feet, what will be the diameter of Clarise's fish pond?
alexandr402 [8]
Okie, so, each cm that measures across the pond is equivalent to 2ft
1cm=2ft
so if we have 3 cm
we would do 3x2
3x2=6

The diameter of the pond is 6 ft<span />
4 0
3 years ago
Read 2 more answers
What is the Y value of the vertex of the function F of X equals X -3 X +11
Y_Kistochka [10]

Answer:

I really don't know sry

8 0
3 years ago
Evaluate the expression when a=-6 and c= 2 .<br> a-4c
Harman [31]

Answer:

-14

Step-by-step explanation:

a-4c=(-6)-4(2)=-6-8=-14. Hope this helps!

5 0
3 years ago
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How many grams of barium chloride are there in 0.200 moles
Anni [7]
There are 41.646600000013 grams of barium chloride in 0.200 moles
5 0
3 years ago
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