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Ira Lisetskai [31]
3 years ago
14

Reason for 4 pleaseeee

Mathematics
1 answer:
Marina CMI [18]3 years ago
6 0

The reason for statement 4 is CPCTC.

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What’s the linear equation for (1,21)(2,33)(3,45)(4,57)
nalin [4]

The linear equation representing the above said pair of points is "y=12x+9"

Step-by-step explanation:

The given set of points are  

x Y

1 21

2 33

3 45

4 57

For finding the linear equation for the given sets of value

We must know the generic form of a linear equation is y=m*x + c

m= slope of the line where y= Δy/Δx  

Δy= change in y value

Δx= change in x value

Thus slope ”m” = 33-21/2-1 = 12

we put slope “m” in the equation which becomes y=12x+c

Now we put any of the set value in the equation

33= 12*2+c ∴ c=9

Hence required linear equation is y=12x+9

7 0
2 years ago
Find the slope of the line through the points (1,−8) and (−9,−10). Provide your answer as a fraction simplified in lowest terms.
Vlad [161]

Answer:

1/5

Step-by-step explanation:

-8-(-10) 2 1

---------- = ------ = --------

1-(-9) 10 5

4 0
3 years ago
Read 2 more answers
Two lines intersecting at a right angle
Oxana [17]

Answer:

Two lines that intersect and form right angles are called perpendicular lines. The symbol ⊥ is used to denote perpendicular lines.

Step-by-step explanation:

3 0
3 years ago
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The school cafeteria served three kinds of lunches today to 225 students. The students chose the cheeseburgers three times more
r-ruslan [8.4K]

1)

Let the number of fish sandwiches sold br represented by x

Then the number of grilled cheese sold is 2X

and the number of cheeseburgers 3(2x)

x + 2x + 3(2x) = 225

and solve

2)

Let x represent the no. of pounds of peanuts

Then x + 14 represents the no of pounds of the mixture

And

(2.25)x + (3.25)(14) = (2.65)(x + 14

and solve

3) Try on your own

plz mark me as brainliest :)

3 0
3 years ago
Please help me......<br> Change the equation 8+4y=24 into slope-intercept form
andrew11 [14]
Slope-Intercept form - y = 4
8 0
2 years ago
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