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Vlad1618 [11]
3 years ago
12

Find a using sin cos or tan Ex: a/sina=b/sinb

Mathematics
1 answer:
egoroff_w [7]3 years ago
3 0
Check the picture below.

make sure your calcualtor is in Degree mode.

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3 years ago
The product of 7 and 0.04 is 0.28.<br><br> [True]<br><br> or<br><br> [False]
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<span>The product of 7 and 0.04 is 0.28=true</span>
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Prove the equation (2x+5)2 = 4x (x + 5) +25
shtirl [24]

Answer:  x = -5/2 and x = -3/2

Step-by-step explanation:

(2x + 5)2 = 4x (x + 5) +25

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   [minus 4x on both sides.]

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ac = 4(15) = 60,then find the factors that add up to 16, which is 6 and 10.

            0 = 4x² + 6x + 10x + 15

            0 = 2x(2x + 3) + 5(2x + 3)

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       2x = -5                                    2x = -3

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