4 years ago

Plz help me understand how to solve this (the question is at the box on the bottom ty)

1 answer:

3 0

You would get the annual salaries by dividing each total salary by the number of years it took to earn it. For example, to get the physician's annual salary, you would divide 5,610,000 by 30 to get an answer of $187,000.

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The cost c (in dollars)of making n feet of cabinet is represented by c = 18n + 45. how many feet of cabinet are made when the co

user100 [1]

To solve this, replace the c with 441 and solve for n:
$441=18n+45$
$396=18n$
$22=n$

6 0

3 years ago

Round 126 to the nearest ten

Iteru [2.4K]

The answer is 130 since 6 is above five, you must round up to the nearest ten, 30.

3 0

4 years ago

Two factories I and II produce phones for brand ABC. Factory I produces 60% of all ABC phones, and factory II produces 40%. 10%

denpristay [2]

Answer:

0.3721 or 37.21%

Step-by-step explanation:

P(I) = 0.60; P(II) = 0.40;

P(not defective I) = 0.90; P(not defective II) = 0.80

The probability that the phone came from factory II, given that is not defective, is determined by the probability of a phone from factory II not being defective divided by the probability of a phone not being defective.

$P(II|not) = \frac{P(II)*P(not_{II})}{P(II)*P(not_{II})+P(I)*P(not_{I})}\\P(II|not) = \frac{0.40*0.80}{0.40*0.80+0.60*0.90}\\ P(II|not) =0.3721 = 37.21\%$