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deff fn [24]
3 years ago
7

Sheila leaves on a trip driving at 30 miles per hour. Two hours later, her sister Allison starts from the same location driving

at 60 miles per hour. How long after Allison leaves home will she catch up to Sheila?
a) 2 hours
b) 3 hours
c) 4 hours
d) 5 hours
Mathematics
1 answer:
Olenka [21]3 years ago
3 0
The answer is 2 hours
How I did it was that I divided 60 and 30
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What is y+1=2(x-4) written in standard form
IrinaVladis [17]

Answer:

2x - y = 9

Step-by-step explanation:

The equation of a line in standard form is

Ax + By = C ( A is a positive integer and B, C are integers )

Rearrange y + 1 = 2(x - 4) into this form

y + 1 = 2x - 8 ( add 8 to both sides )

y + 9 = 2x ( subtract y from both sides )

9 = 2x - y ⇒ 2x - y = 9 ← in standard form

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3 years ago
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Factories A and B produce computers. Factory A produces 3 times as many computers as factory B. The probability that an item pro
OleMash [197]

Answer:

P(A∣D) = 0.667

Step-by-step explanation:

We are given;

P(A) = 3P(B)

P(D|A) = 0.03

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Now, we want to find P(A∣D) which is the posterior probability that a computer comes from factory A when given that it is defective.

Using Bayes' Rule and Law of Total Probability, we will get;

P(A∣D) = [P(A) * P(D|A)]/[(P(A) * P(D|A)) + (P(B) * P(D|B))]

Plugging in the relevant values, we have;

P(A∣D) = [3P(B) * 0.03]/[(3P(B) * 0.03) + (P(B) * 0.045)]

P(A∣D) = [P(B)/P(B)] [0.09]/[0.09 + 0.045]

P(B) will cancel out to give;

P(A∣D) = 0.09/0.135

P(A∣D) = 0.667

7 0
4 years ago
Can you guys help me? The question is in the image
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Ugh can I see the fulll question
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Kazeer [188]
The answer is C, point P
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3 years ago
The value of a car purchased for $20,000 decreases at a rate of 12% per year. What will be the value of the car after 3 years?
timurjin [86]

Answer:

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Step-by-step explanation:

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