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Setler79 [48]
2 years ago
5

The shelf life of a battery produced by one major company is known to be Normally distributed, with a mean life of 10 years and

a standard deviation of 0.7 years.
What value of shelf life do 16% of the battery shelf lives fall below? Round your answer to one decimal place.
Mathematics
1 answer:
valkas [14]2 years ago
8 0

Answer:

the value of shell life is 9.2 hours.

Step-by-step explanation:

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Solve the quadratic by factoring.<br> x^2-5x-31=5
torisob [31]

Answer:

x =  - 4\: or \: x =  9

Step-by-step explanation:

make one side equal to zero:

{x}^{2}  - 5x - 36 = 0

find two factors that multiply to -36 and add to -5 (-9 & 4)

{x }^{2}  - 9x + 4x - 36 = 0

factorise

x(x - 9) + 4(x - 9) = 0

(x + 4)(x - 9) = 0

solve for x

x =  - 4 \: or \: x = 9

5 0
4 years ago
How can the bar symbol be used to show the quotient of 7÷11 if the division is carried on forever?
Thepotemich [5.8K]

\bf 7\div 11\implies 0.636363636363636........\implies 0.\overline{63}

4 0
3 years ago
A square has a length of 4.8 feet. If the square is dilated by a factor of 4 , what is the length of a side of the new square? W
oksano4ka [1.4K]

Answer:

4.8x4=19.2, and then 19.2/4=4.8 feet

Each side would be 4.8 feet

8 0
3 years ago
Find the slope of the line through the pair of points.<br> (13, 5) and (3,5)
Ronch [10]

Answer: 0

Step-by-step explanation:

So the slope of a line is equal to rise over run, or the change in x over the change in y. We can solve for the change in x and the change in y by finding their differences. For the math, we use the formulas y2 - y1/x2 - x1. Filling in this formula we get, (5-5)/(3-13), which is equal to 0/10. Because 0 divided by anything is 0, the answer here is 0.

8 0
3 years ago
Tyler is 5 years younger than three times his cousin Lejla's age. Tyler is 40 years old.
Brut [27]

Answer:

I times 3-5

Step-by-step explanation:

   

Their are other ways to do it

Sorry if it is not the answer you were looking for.

3 0
3 years ago
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