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german
3 years ago
10

How many seconds are in 14 years?

Mathematics
2 answers:
Airida [17]3 years ago
8 0
4.415e+8 

Have a wonderful day
earnstyle [38]3 years ago
5 0
There are 4.415e+8 seconds in 14 years 
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Sarah is doing research on the average age of first-year resident physicians. She wants her estimate to be accurate to within 1
WINSTONCH [101]

Answer: The number of first-year residents she must survey to be 95% confident= 263

Step-by-step explanation:

When population standard deviation (\sigma)  is known and margin of error(E) is given, then the minimum sample size (n) is given by :-

n=(\dfrac{z^*\sigma}{E})^2, z* = Two-tailed critical value for the given confidence interval.

For 95% confidence level , z* = 1.96

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3 years ago
A rectangle has a perimeter of 30 ft. Find a function that models its area A in terms of the length x of one of its sides. What
Vedmedyk [2.9K]

Answer:

Step-by-step explanation:

Let the other side of the rectangle be y. The perimeter of the rectangle is expressed as P = 2(x+y)

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x+y = 15

y = 15-x

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2 years ago
Anna is making 11 necklaces using 35 beads for each. How many beads (B) are needed to make all of the necklaces?
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Answer:

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Step-by-step explanation:

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Start by factoring an x term out of the equation:

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2 years ago
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