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dimaraw [331]
3 years ago
7

What is the equation of this graphed line?

Mathematics
2 answers:
siniylev [52]3 years ago
6 0
6-(-6)
____
2-(-4)

12/6
2 

The slope is 2
y=2x+2.5
or 
y=2x+2


Stolb23 [73]3 years ago
3 0

Answer:

y=2x+2

Step-by-step explanation:

step 1

Find the slope

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

we have

A(-4,-6)\ B(2,6)

Substitute the values

m=\frac{6+6}{2+4}

m=\frac{12}{6}=2

step 2

we know that

The equation of the line into slope intercept form is equal to

y=mx+b

we have

m=2

B(2,6)

substitute and solve for b

y=mx+b ------> 6=(2*2)+b

6=4+b

b=2

The equation of the line is equal to

y=2x+2

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How many terms of the arithmetic progression 2,5,8..Must be taken to get a sum of 392?​
AveGali [126]

Answer:

Number of term = 48

Step-by-step explanation:

GIven:

Arithmetic progression

2,5,8..

Total sum of Arithmetic progression is 392

Find:

Number of term

Computation:

First term a = 2

Difference d = 5 - 2 = 3

Sn = [n/2][2a + (n-1)d]

392 = [n/2][2(2) + (n-1)3]

392 = [n/2][4 + 3n - 3]

784 = [n][1 + 3n]

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6 0
3 years ago
The perimeter of the square
Rama09 [41]

Answer:

x = 20/49 units; P = 8 48/49 units

Step-by-step explanation:

All sides of a square are congruent.

That means that the two given side lengths are equal.

We set the two lengths equal and solve the equation for x.

5.5x = (1/5)(3x + 10)

Multiply both sides by 5.

27.5x = 3x + 10

Subtract 3x from both sides.

24.5x = 10

x = 10/24.5

x = 20/49

The perimeter of a square is 4s, where s is the length of a side.

P = 4s

= 4(5.5x)

= 4 * 5.5 * 20/49

= 22 * 20/49

= 440/49

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Answer: x = 20/49 units; P = 8 48/49 units

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