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Wittaler [7]
2 years ago
7

Which of the following expressions are equivalent to -3 x 3 x -4/9

Mathematics
2 answers:
yaroslaw [1]2 years ago
6 0
The answer is (A) because if you look closely you can tell that they are the same and I also took a test and got this answe
beks73 [17]2 years ago
3 0
None of the above! It’s always none of the above if it’s an option
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Find the area of the shaded region round to the nearest tenth .
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200.7 I hope this is the answer
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3 years ago
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Sam purchased a video game for $19.99 but paid $22.65. Sam paid $<br> in sales tax.
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2 years ago
Jermayne had 30 Apple he give 2/3 pf the apple to kath how many did he have left .
aleksklad [387]
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3 years ago
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g Nationwide, a certain disease occurs only a small proportion of people (.000215). A certain town has 74,000 residents. Use the
Andrei [34K]

Answer:

The probability that the town has 30 or fewer residents with the illness = 0.00052.

Step-by-step explanation:

So, we have the following set of data or information or parameters given from the question above and they are; the number of people living in that particular society/community/town = 74,000 residents and the proportion of people that the diseases affected = .000215.

The first step to do is to determine the expected number of people with disease. Thus, the expected number of people with disease = 74,000 × .000215 = 15.91.

Hence, the probability that the town has 30 or fewer residents with the illness = 1.23 × 10^-7 × 15.91^30/ 2.65253 × 10^-32 = 0.00052.

Note the formula used in the calculating the probability that the town has 30 or fewer residents with the illness =  e^-λ × λ^x/ x!

8 0
2 years ago
A dealer bought 3 gross buttons at $.38 a dozen. He sold the buttons at 5 cents each. How much was his profit per gross?(12 doze
777dan777 [17]

Answer:

$2.64

Step-by-step explanation:

Selling them at 5 cents each ($0.05), he could sell 1 dozen buttons for

12 * $0.05 = $0.60

As he bought them at $0.38 per dozen, the profit per dozen would be

$0.60 - $0.38 = $0.22

As 12 dozen is 1 gross, the profit per gross would be

12 * $0.22 = $2.64

7 0
2 years ago
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