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Kobotan [32]
2 years ago
5

Do these numbers make a function why or why not?

Mathematics
1 answer:
Paladinen [302]2 years ago
8 0

Answer:

No, because it has repeating domains (x-values) which is -2

Step-by-step explanation:

A function should not have repeating x-values.

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Prove that the diagonals of a rectangle bisect each other. the midpoint of is _____
Deffense [45]
In this attached picture, we can prove that triangles AOB and COD are congruent. ∠CDO and ∠ABO are equal because they are alternate angles. Similarly, ∠OAB and ∠OCD are equal because they are alternate angles, as well. We have a rectangle and in the rectangle, opposite sides are equal; AB = CD. Then, because of Angle-SIde-Angle principle, we can say that triangles AOB and COD are equal. If triangles are congruent, then OD = OB and OC = AO. Applying congruency to the triangles ACD and BCD, we can see that these triangles are also congruent. It means that the diagonals are equal. Since, OD = OB and OC = AO, it proves that the point O simultaneously is the midpoint and intersection point for the diagonals. 

8 0
2 years ago
Could somebody help me with this please? i forgot how to do these.
goblinko [34]
Since a full circle has 360degrees and this circle only has two angles, subtract the arc of the known angle to find the arc of the unknown angle.

Angle DGF + angle DEF= 360degrees

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4 0
3 years ago
Please help me asap..!<br><br> ty :)
Elena-2011 [213]

Answer:

y-inctercept=4, x-intecept=7

Step-by-step explanation:

I did it with the standard to slope again!

7y=28-4x

y=4-\frac{4}{7}x

Now don't get confused here, 4 is the y incetecept, not -4.

When y=0, x=7

UPDATE:

To determine x and y intercept using graph, see where the line intersects at the x or y axis.

6 0
2 years ago
You toss a coin 200 times and get 14 heads determine the expected frequency event
ddd [48]
Your most likely to land on tails because out of the 200 u landed on heads 14 times whereas u landed on tails 186 times since there's only two sides to a coin. there for you are more likely to land on tails than heads.
8 0
3 years ago
How do you prove that two lines are parallel
Pani-rosa [81]

Answer:

they are side by side but not intersect

3 0
2 years ago
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