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Lilit [14]
3 years ago
11

The period of y= -3cos x/8 is

Mathematics
1 answer:
Marysya12 [62]3 years ago
5 0
Y=7.8com %75 679000 then multiple them wait don't think got it right
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Graphic image of the kite jklm after a reflection across the line Y= 1​
olchik [2.2K]

Answer:  see image

<u>Step-by-step explanation:</u>

Draw the line y = 1.  Count how many units away the point is from that line.  Move that point the same number of units in the opposite direction to create the reflection.

J is 2 units above y = 1. The new point is 2 units below y = 1.  →  (3, -1)

K is 3 units above y = 1. The new point is 3 units below y = 1.  →  (6, -2)

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3 years ago
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I need the answer to this question
bija089 [108]
If you divide the original equation by "a", you have your answer.
  30/a = (a*60)/a = 60*(a/a)
  30/a = 60
7 0
3 years ago
A school is selling tickets for the prom. Tickets with a picture package cost $50 and tickets without the packet cost $30. If th
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Answer

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1 answer

2780/20 = 139 picture tickets

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Step-by-step explanation:

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3 years ago
If you know anything about combining equations, specifically subtracting, can you please help me :)
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Answer:

5x - 2y = -2

Step-by-step explanation:

When subtracting one equation from the other, we are essentially just subtracting the left side of the second equation from the left side of the first equation and doing the same thing with the two right sides.

Here, we are subtracting (-7x + 3y) from (-2x + y):

(-2x + y) - (-7x + 3y)

Let's get rid of these parentheses. Remember that when we have a subtraction sign before a parentheses, we need to distribute a -1 to each term within those parentheses:

(-2x + y) - (-7x + 3y) = -2x + y + 7x - 3y = -2x + 7x + y - 3y = 5x - 2y

Now on the right side, we're subtracting 2 from 0:

0 - 2 = -2

Put it all together:

5x - 2y = -2

Hope this helps!

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