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3 years ago

Emma reached into the bag 10 different times, drew a ball, and recorded the numbers. Here are her results.

Mathematics

2 answers:

anastassius [24]3 years ago

7 0

Answer:

Step-by-step explanation:

There are two multiples of 9 in the list.

6: 1/10 0.1 10%

9: 3/10 0.3 30%

n200080 [17]3 years ago

3 0

Answer:

The multiples of 3 are:

6, 9, 9

These the 3 out of 10 results.

The probability of selecting a multiple of 3 is:

P = 3/10 as fraction
= 0.3 as decimal
= 30% as percent

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Answer:

$c=\left(\frac{E}{m} \right)^{\frac{1}{2} }$

Step-by-step explanation:

$E = mc^2$

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4 years ago

a bank tellers hourly wage will increase from $24 to $27.60. what percent increase does this represent?a stereo is marked down $

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Answer:

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Step-by-step explanation:

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3 years ago

7 + what can = 91??????

slega [8]

Well you will just subtract 91 - 7 which equals 84.
So 7 + 84 = 91

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3 years ago

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Shiny White dental insurance costs $258 per year. Approximately one-third of insured people need a filling, which averages $110

sveta [45]

Answer:

about $145.33

Step-by-step explanation:

Consider a group of 15 customers. They will pay ...

15 × $258 = $3870

in premiums each year.

One-third of those, 5 customers, will submit claims for fillings, so will cost the insurance company ...

5 × $110 = $550

And 80% of them, 12 customers, will submit claims for preventive check-ups, so will cost the company ...

12 × $95 = $1140

The net income from these 15 customers will be ...

$3870 -550 -1140 = $2180

Then the average income per customer is this value divided by the 15 customers in the group:

$2180/15 = $145.33

_____

Alternate solution

Above, we chose a number of customers that made 1/3 of them and 4/5 of them be whole numbers. You can also work with one premium and the probability of a claim:

258 - (1/3)·110 - 0.80·95 = 145.33

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3 years ago

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Answer:

Step-by-step explanation:

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