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olya-2409 [2.1K]
2 years ago
12

This questio is hard

Mathematics
1 answer:
frez [133]2 years ago
4 0

Answer:

I don't know the exact answer but it is below 60

Step-by-step explanation:

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A team of scientists is traveling by boat to study a pod, or group, of dolphins. The equation y = 0.2x can be used to find the d
Alenkinab [10]

Answer:

42 minutes.

Step-by-step explanation:

We know that:

y = 0.2*x

is the equation that that defines the distance, in miles, that the boat travels in x minutes.

We know that the dolphins are at 8.4 miles from the boat.

Then when we have y = 8.4, this will mean that the boat reached the dolphins.

Then we need to solve the equation:

y = 8.4 = 0.2*x

for x

To do that, we just need to isolate x in one side of the equation, so we can just divide both sides by 0.2 to get:

8.4/0.2 = (0.2*x)/0.2

42 = x

And x is time in minutes, thus, the boat needs to travel for 42 minutes to reach the dolphins.

6 0
3 years ago
What are the 2 shapes
uysha [10]
A stop sign shape i think

6 0
3 years ago
kelly will roll a number cube labeled 1 to 6. what is the probability kelly will roll a number greater than 3?
guapka [62]

Answer:

%50

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
K=5/9(F+459.67) solve for F in terms of K
Mila [183]

Answer:

F = 5.67503704

Step-by-step explanation:

K=5/9(F+459.67)   K = 5/9F / 5/9  =  255.376667 / 5/9 = F = 5.67503704

5 0
3 years ago
Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s). Employee Number
irakobra [83]

Answer:

years worked: 14

at least 10 years: 73%

Step-by-step explanation:

The mean is found by adding the years of service and dividing by the number of employees. The total years of service is 417, so the average is ...

average years worked = 417/30 = 13.9 ≈ 14 . . . years

__

The percentage of employees that have worked there at least 10 years is found by counting the number with 10 or more years of service and dividing that count by the total number of employees. The result is then expressed as a percentage.

(10 years or over)/(total number) = 22/30 = 0.73_3 (a repeating decimal) ≈ 73%

_____

Comment on the working

A spreadsheet can be helpful for this. It has a function that can calculate the mean for you. Sorting the years of service into order can make it trivially easy to count the number that are 10 or more, or you can write a function that will do the count for you. (Also, less than 10 means the years are a single digit. There are 8 single-digit numbers in your list.) The hard part is copying 30 numbers without error.

3 0
3 years ago
Read 2 more answers
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