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gladu [14]
3 years ago
9

Jessica cannot remember the correct order of the five digits in her id number. she does remember that the id number contains the

digits 9, 0, 3, 1, 5. what is the probability that the first four digits of jessica’s id number will all be odd numbers?
Mathematics
2 answers:
Phantasy [73]3 years ago
4 0
Well 4 out of the 5 are odd.  So the probability the first digit is odd is (4/5) since that digit is no longer available, then the probability the second digit is odd is (3/4), then for the third (2/3), then the forth (1/2).

So to find the first four being odd is (4/5)*(3/4)*(2/3)*(1/2) = 24/120 = .20
MAVERICK [17]3 years ago
3 0

Answer:

1/5

Step-by-step explanation:

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To find the surface area of the pyramid, in square inches, Vikram wrote (33.2) (34.2) + 4 (one-half (34.2) (28.4)). What error d
madam [21]

Answer:

B. He used the wrong expression to represent the area of the base of the pyramid.

Step-by-step explanation:

Given

See attachment for pyramid

Area = (33.2)(34.2) + 4 * \frac{1}{2} * 34.4 * 28.4

Required

Vikram's error

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Area = Base\ Area + 4 * Area \triangle

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By comparing the calculated expression with

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Option (b) is correct

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s2008m [1.1K]

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Answer:

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Step-by-step explanation:

The ratio of zinc to copper is 3 to 11

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