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3 years ago

Can someone give all the answers to this? (Please)

Mathematics

2 answers:

Lena [83]3 years ago

7 0

No, the top one would be 33. You're adding the brick next to another brick together for example; 3 and 4 are together; makes 7. 4 and 5 are together makes 9. 5 and 3 are together makes 8.

2. That's unit rate; You have to divide 225 by 15 which gives you 15. 15 x 15 = 225 so, 15 x ( 1 hour ) = 15 hours.

6. Y = 34. 98 + 4 = 102. 102 divided by 3 = 34. 102 - 4 = 98.

That's all I can do sorry

nignag [31]3 years ago

6 0

Top one would be 18 on the pyramid.

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Three components are randomly sampled, one at a time, from a large lot. As each component is selected, it is tested. If it passe

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Answer:

The probability of SFS and SSF are same, i.e. P (SFS) = P (SSF) = 0.1311.

Step-by-step explanation:

The probability of a component passing the test is, P (S) = 0.79.

The probability that a component fails the test is, P (F) = 1 - 0.79 = 0.21.

Three components are sampled.

Compute the probability of the test result as SFS as follows:

P (SFS) = P (S) × P (F) × P (S)

$=0.79\times0.21\times0.79\\=0.131061\\\approx0.1311$

Compute the probability of the test result as SSF as follows:

P (SSF) = P (S) × P (S) × P (F)

$=0.79\times0.79\times0.21\\=0.131061\\\approx0.1311$

Thus, the probability of SFS and SSF are same, i.e. P (SFS) = P (SSF) = 0.1311.

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3 years ago

Can u please answer all three and in 20-30 minutes please or quicker if u can please I just not understanding the math they are

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18). 16:80 is the ratio but in simplest form is; 5:0

19). 36:54 is the ratio but in simplest form is; 2:3

20). 12:24 is the ratio but in simplest form is; 1:2

hope that helps:D

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