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Crank
3 years ago
15

Find the slope intercept form for (2,4) (10,5)

Mathematics
1 answer:
adoni [48]3 years ago
8 0

As we move from the first point to the second, x increases from 2 to 10, so the change in x is 8.  At the same time, y increases by 1 from 4 to 5.  Thus, the slope is m = rise / run = 8/1 = 8.

Using the point-slope formula, we get y-4 = 8(x -2), or 8x - 16.

Isolate y.  To do this, add 4 to both sides, obtaining:

y = 8x - 12.  

This is the slope-intercept form for the equation of the line thru (2,4) and (10,5).

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The accepted value of the average distance between Earth and the moon is 384, 467 km. If a scientist measures that the moon is 3
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Answer:

Percentage error is 0.0024 %

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3 years ago
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Answer:

A

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4 0
3 years ago
Read 2 more answers
find the cost of carpeting the following rectangular rooms:a. Dimensions: 7.5m x 4.5m; Cost= $14.17/m^2b. Dimensions: 17 yd. x 1
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a)

Dimensions: 7.5m x 4.5m

Cost , x= $14.17/m^2.

The area of the rectangular room can be calculated as,

\begin{gathered} A=7.5\times4.5 \\ =33.75m^2 \end{gathered}

Now, the cost of carpeting the rectangular room is,

\begin{gathered} C=xA \\ =14.17\times33.75 \\ =478.24\text{ } \end{gathered}

Therefore, the cost of carpeting the room with dimensions 7.5m x 4.5m is $478.24.

b)

Dimensions: 17 yd. x 12 yd.

Cost, x= $25/yd^2.

The area of the rectangular room can be calculated as,

\begin{gathered} A=17\times12 \\ =204yd^2 \end{gathered}

Now, the cost of carpeting the rectangular room is,

\begin{gathered} C=xA \\ =25\times204 \\ =5100 \end{gathered}

Therefore, the cost of carpeting the room with dimensions 17 yd. x 12 yd is $5100.

6 0
1 year ago
The sum of 2 times a number and 3 equals 4
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2(n+3)= 4

n= -1

-1+3=2 then 2x2=4. Sum is an answer to an addition problem so a number and 3 times 2 = 4. Hope this helps and have a great day!

3 0
4 years ago
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