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VARVARA [1.3K]
3 years ago
7

The record for a person holding his or her breath under water without special equipment is 823 sec. express this time in minutes

and seconds.
Mathematics
1 answer:
AlladinOne [14]3 years ago
4 0
One minute has 60 seconds, so if you divide 823 by 60 you'll get the number of minutes. Divide to the whole number then use the remainder as the number of seconds. You'll get 13 minutes and 43 seconds as your final answer.
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Please help me with this question
Sergio039 [100]

Isn't that simply asking you to compute 30% of 20?

30              x

-----   =    ------

100           20


100x = 600

      x = 6


So, out of those 20 numbers, you would expect that 6 of them would begin with the digit 1.

7 0
3 years ago
At the start of 2014 lucys house was worth ?200 000. The value of the house increased by 5% every year. Workout the value of her
Galina-37 [17]

Answer:

The value of Lucys house  at the start of 2017 is 231525.

Step-by-step explanation:

It is given that the initial value of Lucys house is 200,000. The  at the start of 2017.

The exponential function is defined as

P=P_0(1+r)^t

Where, P₀ is initial value, r is growth rate, t is time in years.

The value of house is defined by the function

P=200000(1+0.05)^t

Where, t is number of years after 2014.

P=200000(1.05)^t

The difference between 2017 and 2014 is 3 years.

P=200000(1.05)^3=231525

Therefore the value of Lucys house  at the start of 2017 is 231525.

3 0
4 years ago
I need urgent help!!
RSB [31]

Answer: I don’t actually know sorry

Step-by-step explanation:

6 0
3 years ago
Hannah has a bowl containing 54 goldfish crackers. She is eating crackers at a rate of 9 crackers every two minutes. What is the
taurus [48]
<span>The line would first have to have a negative slope, since she is consuming the crackers, leading to fewer crackers left in the bowl every minute. Since she is eating 9 crackers every two minutes, this would be a slope of (-9/2) to describe the number left in the bowl.</span>
3 0
3 years ago
Let f(x) = x - 3 and g(x) = x + 11 find f(x) times g(x)<br><br> What is the answer?
notsponge [240]

f(x) *g(x) = (x-3)(x+11) = x^2 +11x -3x -33 = x^2 +8x -33

Sorry if its wrong :(

6 0
3 years ago
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