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andrezito [222]
3 years ago
15

Which best explains why this triangle is or is not a right triangle?

Mathematics
2 answers:
olchik [2.2K]3 years ago
6 0

Answer:

D

Step-by-step explanation:

If it is a right triangle, by pythagorous theorem, 39^2 = 36^2 + 15^2

or, 36^2 + 15^2 - 39^2 = 0

rjkz [21]3 years ago
3 0
The right answer is D I calculated the question
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Chau deposited $4000 into an account with 4.3% interest, compounded semiannually. Assuming that no withdrawals are made, how muc
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Answer:

$ 4,688.00

Step-by-step explanation:

I = 4000 × 0.043 × 4 = 688

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6 0
3 years ago
Where did the 9/4 come from?
motikmotik

Answer:

Ok so this concept is kind of hard to explain, but basically the two equations are equal because you are adding 9/4 and then subtracting 9/4, so you just end up with 0. The reason you do that is so you can make the (x + 3/2)^2 part, which you wouldn't be able to do without the 9/4/

8 0
3 years ago
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3 0
3 years ago
4x - 2y = -14<br> 3х - у = -8
oksian1 [2.3K]

are you trying to add them all together if so here how that would work

4x-3x=1x

2y-(1)y =1y(if the y is alone theirs a 1 always infront of it)

-14-8=-22

6 0
3 years ago
Are all diagonals also lines of symmetry in a polygon?
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No not all diagonal lines are lines of symmetry! Because if you take a piece of notebook paper and fold it in half the side do not match up! hope this helps :)
7 0
4 years ago
Read 2 more answers
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