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3 years ago

What is y equal to when x= -2 Y=-x+4

Mathematics

1 answer:

Alex17521 [72]3 years ago

5 0

Y= -2+4

If X equals -2, you want to plug -2 in for X.

I hope I helped!

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Geometry question 3, Thanks if you answer or help!

shepuryov [24]

Answer:

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Step-by-step explanation:

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3 years ago

Ashley is making cookies for her Easter party. Each batch of cookies mix need 0.4 cups of sugar and each batch can make 16 cooki

stepan [7]

Answer:

1.6 cups

Step-by-step explanation:

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Given that cos(30°) = cos(45°)cos(15°) + sin(45°)sin(15°), it follows that cos(30°) =

mario62 [17]

Answer:

$cos(30\°) = cos(45\°-15\°)$

Step-by-step explanation:

To solve this problem you must know the formula of subtraction of angles for the function cosx.

The formula is:

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Then:

$cos(30\°) = cos(45\°-15\°)$

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$cos(45\°-15\°) = cos(45\°)cos(15\°) + sin(45\°)sin(15\°)$

Notice that we have achieved the expression shown in the statement

Finally:

$cos(30\°) = cos(45\°-15\°)$

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liraira [26]

4, -4
-5, 5
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Hope this helped !

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