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3 years ago

Ath

Mathematics

1 answer:

jarptica [38.1K]3 years ago

5 0

Answer:

1000

Step-by-step explanation:

Primo car rental agency charges $44 per day plus $0.10 per mile.

44+0.10m= 44.1

ultimo car rental: 26+0.55m=26.55

26 + 0.55m = 4 * (44 + 0.10m )

26 + 0.55m = 176 + 0.40m

26 + 0.55m - 0.40m = 176 + 0.40m - 0.40m

26 + 0.15m = 176

0.15m = 150

150/0.15m

m= 1000

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Step-by-step explanation:

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3 years ago

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2 years ago

Cos^2x+cos^2(120°+x)+cos^2(120°-x)<br>i need this asap. pls help me

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Step-by-step explanation:

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squaring to obtain cos² (120 + x)

= $\frac{1}{4}$ cos²x + $\frac{\sqrt{3} }{2}$ sinxcosx + $\frac{3}{4}$ sin²x

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= - $\frac{1}{2}$ cosx + $\frac{\sqrt{3} }{2}$ sinx

squaring to obtain cos²(120 - x)

= $\frac{1}{4}$ cos²x - $\frac{\sqrt{3} }{2}$ sinxcosx + $\frac{3}{4}$ sin²x

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Putting it all together

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