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Yuki888 [10]
3 years ago
7

gas mileage is the number of miles you can drive on a gallon of gasoline. A test of a new car results in 400 miles on 20 gallons

of gas. How far could you drive on 55 gallons of gas? What is the car’s gas mileage
Mathematics
2 answers:
V125BC [204]3 years ago
7 0

Answer:

1100

Step-by-step explanation:

400/x=20/55

Cross multiply

20x=22000

x=1100

Kipish [7]3 years ago
4 0
Hide a sus. Suena a unending
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A newspaper published an article about a study in which researchers subjected laboratory gloves to stress. Among 260 vinyl​ glov
yawa3891 [41]

Answer:

Step-by-step explanation:

pop 1 n₁ = 260, p₁ = 58% = 0.58

pop 2 n₂ = 260, p₂ = 8% = 0.08

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Alternative hypothesis: p₁ > p₂

The test statistic : p₁-p₂ / √{p-sample (1 - p-sample) (1/n₁ + 1/n₂)}

where p-sample is sample proportion = p₁n₁ +p₂n₂ / n₁+n₂

Thus, p-sample = 0.58x260 +0.08x260 / 260+260 =150.8+20.8 / 520 = 171.6 / 520 = 0.33.

Thus, the test statistic is (0.58 - 0.08) / √[0.33 (1-0.33) (0.0038+0.0038)

  = 0.5 / √[0.33(0.67) (0.0076)

= 0.5 / √0.00168036

= 0.5 / 0.04099

= 12.20

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Write down the next three terms in each sequence -8,-11,-14,-17
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