Answer:
<u>graphically</u> :
The graph is symmetrical about the origin.
Then it represents an odd function.
<u>symmetry </u>:
The origin is a center of symmetry.
Step-by-step explanation:
13040000
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AC
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4
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sin
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tan
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Ans
EXP
xy
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123
Fx
<h2>
Greetings!</h2>
Answer:
y =
and x = 
Step-by-step explanation:
To solve simultaneous equations, you need to have the number in front of both x's or y's the same. (signs doesn't matter)
To get -x to -10x we simply need to multiply the first equation by 10:
-x * 10 = -10x
-9y * 10 = -90y
16 * 10 = 160
-10x - 90y = 160
Now we can add the two equations:
-10x + 10x = 0
-90y + 20y = -70y
160 + 20 = 180
-70y = 180
70y = -180
7y = -18
y = 
Now plug
into the second equation:
10x + 20(
) = 20
10x -
= 20
Move the
over to the other side, making it a positive:
10x = 20 + 
10x = 
Divide both sides by 10:
x = 
So y =
and x = 
<h2>Hope this helps!</h2>
Answer: Intrest is 1575 the total is 4075
Step-by-step explanation: PLEASE GIVE BRAINLIEST IT HELPS ALOT