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Flura [38]
3 years ago
14

Correct me if im wrong or i have something missed something? Please and thank you!

Mathematics
1 answer:
RideAnS [48]3 years ago
3 0

Answer:

Steps below, ask if you need further explanation.  

Step-by-step explanation:

You've graphed the points, but it wants the lines and their equations.

Horizontal lines are of the form y=a, where a is the y value the line is at.  Verticla lines are of the form x=b, where b is the x value the line is at.  horizontal lines have a slope of 0 and vertical lines have an undefined slope, I will show you why.

Slope is found by (y2 - y1)/(x2 - x1) where (x1, y1) and (x2, y2) are the two points you are finding the slope between.  A horizontal ine has no change in x s y2 - y1 = 0 so the fraction becomes 0/(x2-x1) = 0, so the slope is 0.  No change in x makes the denominator 0, and dividing by 0 is undefined.  

For the slanted line you will get a non zero or undefined slope, ets call it m.  Then to find the line just plug into the formula y1 - y = m(x1 - x) where m is that slope and (x1, y1) is ONE of the poitns you are measuring the slope of.  You just choose one, they will both get the same answer.  Then just solve for y.  Not y1, you want just y on one side of the equation.

Let me know if you need more explicit walking through.  

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5 0
2 years ago
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In the figure below, if angle T measures 130 degrees, what is the measure of angle Q?
krek1111 [17]

Circle theorem:

The angle at the centre (T) is double the angle at the circumference (Q)

---> That also means that:

The angle at the circumference (Q) is <u>half</u> the angle at the centre (T)

Since T = 130 degrees;

Q = 130 divided by 2

   = 65°

___________________________________

Answer:

∠Q = 65°

5 0
3 years ago
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A baseball team wants to collect at least 160 cans of food for an upcoming food drive. Team members brought 42 cans of food on M
Irina18 [472]
If they collect 65 on Monday, 42 on Wednesday and the rest on Friday, then we can write it down as:

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So the team needs to collect at least 53 cans on Friday.
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3 years ago
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6 0
2 years ago
Ten runners join a race. In how many possible ways can they be arranged as first, second, and third placer? Pls answer
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Ans: 720

<span>This is equal to the number of different arrangements of three persons from a group of 10 persons </span>

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3 years ago
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