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Ivenika [448]
3 years ago
5

I need help I don’t understand

Mathematics
2 answers:
Leno4ka [110]3 years ago
7 0

Answer:

DH

Step-by-step explanation:

im dont know, but im 80% sure

ahrayia [7]3 years ago
5 0

Answer:

DH

Step-by-step explanation:

90% sure if not I think its HI....

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Please answer these , you don’t need to explain just tell which choice
masha68 [24]

Answer:

Step-by-step explanation:

1) B

2) C

3) B

4) C

5) A

6)  D

7 0
3 years ago
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How did he get this 1/2i ? I dont remember studying this definition in calc 1 neither calc 2!
Hitman42 [59]
The i in the denominator is missing in the second expression. It should be

\sin at=\dfrac{e^{iat}-e^{-iat}}{2i}

This follows from

e^{iat}=\cos at+i\sin at
e^{-iat}=\cos at-i\sin at
\implies e^{iat}-e^{-iat}=2i\sin at
\implies \sin at=\dfrac{e^{iat}-e^{-iat}}{2i}
8 0
4 years ago
At a certain time of day, a 5 foot tall man has an 8 foot shadow. If a tree is 20 feet tall, what is the distance between the tr
Leto [7]
If they're asking the distance between the tree and the man's shadow, that would be 12ft and if they're asking the distance between the tree and the actually man, that would be 15ft :).
5 0
3 years ago
how many solutions does each system of equation have?? explain how you know without solving the system ​
Leto [7]

Answer:

no solution

Step-by-step explanation:

the x value in a linear equation in slope intercept form represents the slope of the line, since both equations int the system have the same slope there is no solution.

8 0
3 years ago
3² :)<br> Simple question!
kakasveta [241]

Answer:

3² = 9

^

(3 x 3)

Step-by-step explanation:

hope I helped

have a nice day!

8 0
3 years ago
Read 2 more answers
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