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AlladinOne [14]
2 years ago
15

If only two points are needed to determine a line why are three ordered pair solutions or points found for a linear equation

Mathematics
1 answer:
makvit [3.9K]2 years ago
3 0
Two points give you a line. A third point (often called a check-point) is used to confirm the accuracy of your first two points. If all three line up, you have confirmed you have the correct line.
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Please help 100 points
emmainna [20.7K]

Answer:

Choices A, C, E

Step-by-step explanation:

The prices are proportional, so divide any price by the corresponding number of pounds to find the unit cost.

$1.47/(3 lb) = $0.49/lb

The unit cost is $0.49 per lb.

Now we look in the choices to see which choice has a unit price of $0.49/lb.

We divide each price by its number of pounds to fund each unit cost. Every choice with a unit cost of $0.49/lb is an answer.

A $0.98/(2 lb) = $0.49/lb     Choice A works

B $4.45/(7 lb) = $0.64/lb      Choice B does not work

C $2.94/(6 lb) = $0.49/lb     Choice C works

D $0.54/(1 lb) = $0.54/lb     Choice D does not work

E $3.92/(8 lb) = $0.49/lb     Choice E works

Answer: Choices A, C, E

6 0
3 years ago
Please help!! Due soon!! It's multiple choice!! Can you PLEASE try to show the work? I will give you brainliest!! Please answer
liberstina [14]
16)

(4x + 2) is equal to 150 because they are vertical angles. When two lines intersect, on the opposite sides of the x like these are will be equal to one another. So let’s make them equal to each other.

4x + 2 = 150

Subtract 2

4x = 148

Divide by 4

x = 37

So it will be A

17)

The two angles added up with each other

34 + 146 = 180

Since these two add up to 180 degrees, they would be supplementary angles.

So, H

18)

The two angles will make a 90 degree angle (as shown with the little box formed in the corner)

When angles add up to make 90 degrees, they will be complimentary angles.

So, C.
3 0
3 years ago
Find the difderence of 3/4 and 1/28​
valentinak56 [21]

Answer:

5/7

Step-by-step explanation:

3/4-1/28

21/28-1/28

20/28

simplify

5/7

4 0
2 years ago
What is the distance between the points (−3, −5) and (−3, −7) ?
mario62 [17]

Step-by-step explanation:

d = √(x2-x1)²+(y2-y1)²

d = √(-3-(-3))²+(-7-(-5))²

d = √ 0+(-2)²

d = √4

d = 2 units

5 0
2 years ago
Emily has 3 yellow, 8 green, 5 red, and 14 blue ankle bracelets in a bag. If Emily randomly selects an ankle bracelet out of the
Nookie1986 [14]
The total number of bracelets she has are 

3+8+5+14 = 30 

so, my available choices are 8 from green and 14 from blue
so total = 22
so the answer is = 22/30 = 11/15
 


8 0
2 years ago
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