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3 years ago

How do you plot a linear graph

Mathematics

1 answer:

dlinn [17]3 years ago

4 0

Step-by-step explanation:

You can plot linear graph using two point (x1,y1) and (x2,y2), where x1, y1, x2 and y2 are real numbers.

using slope intercept form y = mx + b, where m is the slope and b is y-intercept.

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Guys please help me out ASAP, Due today. I

Mice21 [21]

Answer:

$T_7 = 11$

$T_n = 2n- 3$

Step-by-step explanation:

Given

$S_n = n^2 -2n$

$T_n = S_n - S_{n-1}$

Solving (a): T7

Substitute 7 for n in $T_n = S_n - S_{n-1}$

$T_7 = S_7 - S_{7-1}$

$T_7 = S_7 - S_6$

Calculate S7 and S6

$S_n = n^2 -2n$

$S_7 = 7^2 - 2 * 7 = 35$

$S_6 = 6^2 - 2 * 6 = 24$

So:

$T_7 = 35 -24$

$T_7 = 11$

Solving (b): Tn

$T_n = S_n - S_{n-1}$

Where $S_n = n^2 -2n$

Calculate $S_{n-1}$

We have:

$S_{n-1} =(n-1)^2 - 2(n-1)$

Open brackets

$S_{n-1} = n^2 -2n + 1 -2n +2$

$S_{n-1} = n^2 -2n-2n + 1 +2$

$S_{n-1} = n^2 -4n + 3$

So:

$T_n = S_n - S_{n-1}$

$T_n = n^2 - 2n - (n^2 -4n + 3)$

$T_n = n^2 - 2n - n^2 +4n - 3$

Collect Like Terms

$T_n = n^2 - n^2- 2n +4n - 3$

$T_n = 2n- 3$

5 0

3 years ago

Gwyneth begins solving for x in the equation 2(x-4)=5(4-2x)+4x.after applying the distributive property and combining like terms

Leya [2.2K]

The answer would be:
8x-4=20-6x

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3 years ago

Which of the following is equivalent to 1/8?

neonofarm [45]

Answer: 1 to 8
Reason: because there’s 1 of 8 items is the same ratio

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2 years ago

Find the product: (-8)(-6) =

larisa86 [58]

Answer:

48, since the numbers are next to each other with no sign, they need to be multiplied, and a negative times a negative is a positive

Step-by-step explanation:

hope this helps

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2 years ago

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Find x and y in <br>2x+2y=12<br>4x_4y=13

dlinn [17]

For the first one the answer is y=-1x+6 which means x=-1 and y=6

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3 years ago

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How do you plot a linear graph​

How do you plot a linear graph