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Mkey [24]
3 years ago
11

I need help with this math work

Mathematics
1 answer:
AveGali [126]3 years ago
4 0
............................
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A box contains three plain pencils and 5 pens. A second box contains three colored pencils and three crayons. One item from each
worty [1.4K]

Answer:

Therefore the probability that a pen from the first box and a crayon from the second box are selected is \frac5{16}

Step-by-step explanation:

Probability:

The ratio of the number of favorable outcomes to the number all possible outcomes of the event.

Probability=\frac{\textrm{The number favorable outcomes}}{\textrm{The number all possible}}

Given that,

Three plain pencils and 5 pens are contained by the first box.

Total number of pens and pencils is =(3+5)=8

The probability that a pen is selected from the first box is

=P(A)

=\frac{\textrm{The number pens}}{\textrm{Total number of pens and pencils}}

=\frac{5}{8}

A second box contains three colored pencils and three crayons.

Total number of pencils and crayons is =(3+3)=6

The probability that a crayon is selected from the second box is

=P(B)

=\frac{\textrm{The number of crayon}}{\textrm{Total number of crayons and pencils}}

=\frac{3}{6}

Since both events are mutually independent.

The required probability is multiple of the events

Therefore the required probability is

=\frac58\times \frac36

=\frac5{16}

4 0
3 years ago
(multiple choice) plz help me!!
harkovskaia [24]

8 \sqrt{5} is \: the \: length

Step-by-step explanation:

( {16})^{2}  = ( {x})^{2}  - ( {8})^{2}  \\ 256 =  {x}^{2}  - 64 \\ 256 + 64 =  {x}^{2}  \\    \sqrt{320}  =  \sqrt{ {x}^{2} }  \\ 8 \sqrt{5}  = x

7 0
3 years ago
PLease help me this is due a 9:00!!!!!!!!!!!!!!!!!!!!!!!!!!!
Semmy [17]

Answer:

may solver po sa brainly

5 0
2 years ago
Hi can u help please thanks
faltersainse [42]

The first one is the answer/

8 0
3 years ago
Ten people stand in line. The first goes to the back of the line and the next person sits down, so that the person who was third
Lelu [443]
I
right?
don't rely in me i'm in elementary school
7 0
3 years ago
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