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Alona [7]
3 years ago
8

John drove his car 385 miles on one tank of gas. If his car had 15.4 gallons of gas in it, how many miles per gallon did John dr

ive?
Mathematics
2 answers:
sleet_krkn [62]3 years ago
6 0

Answer:25

Step-by-step explanation:

385/15.4=25

sesenic [268]3 years ago
3 0

Answer:

25

Step-by-step explanation:

385 divided by 15.4 is 25

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A ship sails from harbour h on a bearing of 084 for 340 km until it reaches point P. It the sails on a bearing of 210 for 160km
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Answer:

QH = 227.8 km ≅ 228 km

Step-by-step explanation:

∵ The bearing from H to P is 084°

∵ The bearing from P to Q is 210°

∵ The distance from H to P = 340 km

∵ The distance from P to Q = 160 km

∴ The angle between 340 and 160 = 360 - 210 - (180 - 84) = 54°

( 180 - 84) ⇒ interior supplementary

By using cos Rule:

(QH)² = (PH)² + (PQ)² - 2(PH)(PQ)cos∠HPQ

(QH)² = 340² + 160² - 2(340)(160)cos(54) = 51904.965

∴ QH = 227.8 km ≅ 228 km

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3 years ago
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Simplify.<br><br> 8u+9v+3u−5v<br><br> What is the answer?
pochemuha

8u + 9v + 3u - 5v = (8u + 3u) + (9v - 5v) = 11u + 4v

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X-2y=-2 find the slope
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1/2

Step-by-step explanation:

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Find the value of each variable using sine and cosine round your answers to the nearest tenth​
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9514 1404 393

Answer:

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Step-by-step explanation:

The relevant trig relations are ...

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So, you have ...

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