I need to know what the answer is pretty please

Mathematics

2 answers:

Naddik [55]2 years ago

6 0

The answer is 28 meters

yuradex [85]2 years ago

5 0

So first you add up the ratio values (4 + 3 + 1) to get 8, and then you divide 56 by 8 to get 7, which is 1 in terms of the ratio. Now you can just multiply it by the ratio values, and 7 × 4 = 28 would be the longest, so your answer is 28 meters. I hope this helps!

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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.

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

The probability is 0.3721 or 37.21%.

4 0

2 years ago

Can you please help me with this question please and i will give you a Brainiest right

kirill [66]

Answer:

135 grams

Step-by-step explanation:

you want to find the mass of only the grapes, not including the bowl. so in this case, you would subtract the mass of the bowl from the total mass. you do this because you dont need the mass of the bowl. 256g - 121g = 135g :)

4 0

2 years ago

I cannot understand this can you guys help

igor_vitrenko [27]

The mean is not the same thing as median
mean=78+81+85+87=331
mean=331/4=82.75
median is the middle number, but you have a par set of numbers, so your median will be the middle numbers 78,81,85,87 , which are 81+85=166, 166/2=83
83 is your median

5 0

2 years ago

Steps to solve problem

Valentin [98]

The you are asking for is is 239

8 0

3 years ago

Read 2 more answers

I need help on this question

olga2289 [7]

Hey there!

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