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serg [7]
3 years ago
12

A flashlight has 7 batteries, 5 of which are defective. If 5 are selected at random without replacement, find the probability th

at all of them are defective.
Enter your answer as a fraction or a decimal rounded to 3 decimal places.


The probability of getting all of them defective batteries is________?
Mathematics
1 answer:
TEA [102]3 years ago
8 0
71.4 % chance I think is your answer. 
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The variables y and x have a proportional relationship, and y = 5 when x = 4.
Nikitich [7]

Answer: 8

Step-by-step explanation:

8 0
3 years ago
Common letter-sized paper used in the united states has what dimensions? 8.27" x 11.69" 8.5" x 14" 8.5" x 11" 8" x 11.5"
slava [35]
It measures 8.5 by 11.0 inches (215.9 by 279.4 mm). US Letter size paper is a standard defined by the American National Standards Institute (ANSI).

8 0
3 years ago
If a rectangular plot measures 33 feet by 44 feet, what is
andriy [413]

Answer:

55 feet

Step-by-step explanation:

If you draw it out, the diagnonal along wiht 2 sides of the rectangle make a rigth angles traingle.

Using pythagoras theoreom, c^{2} =a^{2} +b^{2}, c is the length of the diagonal and a and b are 2 sides of rectangle.

So c=\sqrt{a^{2} +b^{2} }

=\sqrt{33^{2} +44^{2} }

put in alculator and get:

55

=55 feet

8 0
3 years ago
Write the subtraction sentence that is shown on the number line. Do not reduce the fractions.
dybincka [34]

Answer:

15/8 - 6/8= 9/8

Step-by-step explanation:

8 0
3 years ago
The solution generated by the calculator is 5.779E-8. Describe how to interpret the solution.
masya89 [10]

Answer:The E indicates scientific notation. The first number is the coefficient of the number in scientific notation. This number is multiplied by a power of 10. The number following the E, which is -8, is the exponent, and the base is 10.

REAL ANSWER

Step-by-step explanation:I did the assignment

7 0
3 years ago
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