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3 years ago

5

The probability that Joanne has eggs for breakfast and goes to school by car is 0.4. The probability that she goes to school by

car on any day is 0.5. What is the probability that Joanne has had eggs for breakfast if she went to school by car?
A) .1
B) .2
C) .4
D) .5
E) .8

1 answer:

baherus [9]3 years ago

7 0

Answer:

A

Step-by-step explanation:

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Step-by-step explanation:

see the attached figure to better understand the problem

we know that

The surface area of the figure is equal to the area of its 5 faces (3 rectangular faces plus 2 triangular faces)

step 1

Find the area of its 3 rectangular faces

$A_1=(5.6)(9.4)=52.64\ cm^2$

$A_2=(12.7)(9.4)=119.38\ cm^2$

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step 2

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$A_5=\frac{1}{2}(12.7)(5.6)=35.56\ cm^2$

step 3

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Answer:

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Step-by-step explanation:

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3 years ago