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3 years ago

Match each slope and y-intercept with the appropriate linear equation

Mathematics

2 answers:

pychu [463]3 years ago

8 0

Answer:

Linear equation: y = mx + c

m = slope

c = y-intercept

Step-by-step explanation:

aleksandr82 [10.1K]3 years ago

4 0

Linear equation: y = mx + c

m = slope

c = y-intercept

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After the party, 3 1⁄4 pecan pies remained. The next day, Edward's family ate 1 1⁄4 of a pie. How many pecan pies were left?

vlabodo [156]

Answer:

Step-by-step explanation:

Because 3-1 is 2 and 1/4-1/4=0

So 2

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3 years ago

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Work out m and c for the line:y=3x-2

Nikolay [14]

Y = mx + c
m = gradient
c = y-intercept

Therefore, m=3 and c= -2

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3 years ago

Plot the points A(9, 11) and B(–3, –5). Find midpoint M of AB. Then show that AM = MB and AM + MB =AB

Alex_Xolod [135]

Answer:

The midpoint is (3, 3).

Step-by-step explanation:

We are given the two points A(9, 11) and B(-3, -5).

The midpoint is given by:

$\displaystyle M=\Big(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2}\Big)$

So:

$\displaystyle M = \Big( \frac{9+(-3) }{2}, \frac{ 11+(-5) }{2} \Big) = (3,3)$

The midpoint is (3, 3).

We want to show that AM = MB.

We can use the distance formula:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2$

The distance between A(9, 11) and M(3, 3) will then be:

$AM=\sqrt{(9-3)^2+(11-3)^2}=\sqrt{6^2+8^2}=\sqrt{100}=10$

And the distance between B(-3, -5) and M(3, 3) will be:

$MB = \sqrt{ (3-(-3))^2 + (3-(-5))^2 } = \sqrt{(6)^2+(8)^2} = \sqrt{ 100 } = 10$

So, AM = MB = 10.

Since AM = MB = 10, AM + MB = 10 + 10 = 20.

So, we want to prove that AB = 20.

By the distance formula:

$AB=\sqrt{(9-(-3))^2+(11-(-5))^2}=\sqrt{12^2+16^2}}=\sqrt{400}=20\stackrel{\checkmark}{=}20$

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3 years ago

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Answer:

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3 years ago

Find the Value of X. Help me PLease

Kobotan [32]

Answer:

x = 27

Step-by-step explanation:

The sum of the interior angles of a polygon is

sum = 180° (n - 2) ← n is number of sides

Here n = 7 , then

sum = 180° × 5 = 900°

sum the interior angles and equate to 900

3x + 31 + 135 + 5x - 4 + 7x - 64 + 120 + 6x - 8 + 4x + 15 = 900 , that is

25x + 225 = 900 ( subtract 225 from both sides )

25x = 675 ( divide both sides by 25 )

x = 27

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3 years ago

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Match each slope and y-intercept with the appropriate linear equation​

Match each slope and y-intercept with the appropriate linear equation