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Blizzard [7]
3 years ago
12

What is the volume of the two combined?

Mathematics
2 answers:
sergij07 [2.7K]3 years ago
7 0
I think it is 72ft^3 because I am sure the top part is 13 x 2 x 2 since the side of it is a square, and the equals 52 

Then the bottom part is 5 x 2 x 2 which equals 20

And 52 + 20 = 72 

So the answer is 72 ft cubed or 72^3
Natalija [7]3 years ago
6 0
Jus solve them and add them together
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Two of the 240 passengers are chosen at random. Find the probability that
hjlf

Step-by-step explanation:

there are in total 240 passengers.

out of these 240, there are 150+30=180 passengers that are in holiday.

and 240-180 = 60 passengers are not.

if we pick one passenger then the probability is 180/240 = 3/4 = 0.75 that he/she is on holiday.

remember : desired "events" over total "events".

i)

now we pick 2 passengers.

the probabilty for the first one to be on holiday is again

3/4 or 0.75.

if that event happens, then we have only 179 passengers out of now 239 to be on holiday.

and to pick one out of that pool to be on holiday is then

179/239 = 0.748953975...

and for both events to happen in one scenario we need to multiply both probabilities (it is an "and" relation, while an addition would be for an "exclusive or" relation).

the probabilty that we pick 2 passengers on holiday is

3/4 × 179/239 = 0.561715481... ≈ 0.5617

we cannot simply square the basic probability of 0.75 (0.75² = 0.5625), because that would mean we pick one passenger, then put him back into the crowd, and then pick a second time (with a chance to pick the same person again). like with rolling a die.

but that is not the scenario as I understand it. it is to pick a passenger, then keep that person singled out and pick a second passenger. hence the difference.

ii)

exactly one of the two is in holiday.

that means

either the first one is on holiday and the second one is not, or the the second one is and the first one is not.

now we model this logic statement in probabilty arithmetic.

please note that after the first pull we need to update the numbers for the remaining pool depending on the result of the first pull.

the total remaining is in both cases 239. but either the remaining people on holiday go down to 179 (and not in holiday stays 60), or the remaining people not on holiday go down to 59 (and on holiday stays 180).

so, the first one is on holiday, and the second one is not :

3/4 × 60/239 (remember : "and" relation)

= 3 × 15/239 = 45/239 = 0.188284519...

the first one is not on holiday, and the second one is :

60/240 × 180/239 = 1/4 × 180/239 = 45/239 =

= 0.188284519...

since there is no overlap of the potential events (there is no event that could be in both cases), this is an exclusive or relation, and we can add the probabilities.

so, the probability for exactly one of the picked passengers to be on holiday is

2×0.188284519... = 0.376569038... ≈ 0.3766

8 0
2 years ago
(-7)(-5)= __ a0<br>solve the equation​
tatuchka [14]

Answer:

-7 x -5 = 35

Step-by-step explanation:

When you multiply two numbers with the same sign they will always equal positive.

Hope this helped :)

4 0
3 years ago
pls help ASAP this is due in 10 min!!
Angelina_Jolie [31]
My thoughts and prayers for the family of us and the family who lives with the family in our family and we are in our lives and I hope that we can get a hold with him we can just go to the river with the kids in a few minutes and we will have a great time together
3 0
2 years ago
In ΔKLM, k = 700 cm, l = 460 cm and ∠M=78°. Find the length of m, to the nearest centimeter.
pashok25 [27]

Answer:

753

Step-by-step explanation:

m^2 =700^2 +460^-2 −2(700)(460)cos78

m^2 = 490000+211600-2(700)(460)(0.207912)

m^2 = 490000+211600-133895.12889

m^2 = 567704.87111

m=753.462=753

6 0
3 years ago
IM DESPERATE
telo118 [61]
You can scan it on brainly, It’ll help you
7 0
2 years ago
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