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Sophie [7]
3 years ago
8

a box contains 29 widgets, 4 of which are defective. if 4 are sold at random, find the probability that (a) all are defective (b

) none are defective
Mathematics
1 answer:
Lunna [17]3 years ago
6 0
There would be a 16% chance of the widgets being defective and there is an 84% chance of the widgets not being defective.
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How to do this question??
dusya [7]
I'm going to suppose that this is asking for the volume.
The formula to find volume for a cylinder is<span> V= pi r 2(squared) h
</span><span><span />The radius is 10cm and the height is 14cm
Then plug the numbers in
So you should get V=3.14 x 10(squared) x 14
The once you multiply all that you should get 4396 cm(cubed)

</span> 

5 0
2 years ago
A customer’s total cell phone bill this month is $50.50. The company charges a monthly fee of $18 plus five cents for each call.
astra-53 [7]
650 calls

your equation would be n=50.50-18/.05
                                      n=32.5/.05
                                      n= 650
5 0
3 years ago
Una ciudad tenía 8000 habitantes a final del año 2000. Cada año su población se incrementa en un 0.5 %
Digiron [165]

Answer:

The correct answer is 2030.

Step-by-step explanation:

To start we must analyze the information we have.

We know that a city has 8000 inhabitants and that each year this number increases by 0.5%. That means that <u>each year it has 40 more inhabitants</u>:

(8000 . 0,5) : 100 = 40

Having this information we could do a cross multiplication:

1 year ------- 40 inhabitants

x years ------- 81200

81200 = 40.x

x = 81200 : 40

x = 2030

In this way we can verify that the correct answer is 2030.

4 0
3 years ago
PLEASE HELP!!!!
Scorpion4ik [409]

Answer:

If f(−x) = −f(x), then the graph of f(x) is symmetrical with respect to . A function symmetrical with respect to the y-axis is called an even function. A function that is symmetrical with respect to the origin is called an odd function.

8 0
2 years ago
HELPP please.. please pleaae
Zinaida [17]

Answer:

A=80

B=31

C=64

Step-by-step explanation:

A, 69, and b will equal 180 since it forms a straight line

A+69+b=180

to solve for A we subtract 53+47 from 180 and get 80

80+69+b=180

to get B we subtract 80+69 from 180 and get 31

to get c we add 85+b and subtract it from 180 getting c=64

6 0
2 years ago
Read 2 more answers
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