4 years ago

John bought 6 dumplings for $3.00.

Mathematics

1 answer:

Vedmedyk [2.9K]4 years ago

8 0

For every 6 dumplings bought, you get charged $3.00 plus 7 cents for every dollar. Hope this helps:)

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If [x] denotes the least integer greater than or equal to x and [x/2] = 0, which of the following could be the value of x?A. -2B

podryga [215]

Answer:

B) -3/2

Step-by-step explanation:

If [x/2]=0 then x/2 is a number such that the least integer greater than or equal to x/2 is 0. We can rewrite this as the inequality x/2≤0. Then, the value of x in C, D and E is wrong because they are positive numbers, then x/2 would be a positive number which contradicts this inequality.

Now, 0 is the least integer that satisfies this inequality, therefore we cannot have that x/2≤-1 since -1 is an integer and -1<0. Then x/2>-1. This discards A as wrong, because for x=-2, x/2=-1, contrary to x/2>-1.

Thus B is the right answer. To verify, if x=-3/2, then x/2=-3/4 and we have that -1<-3/4≤0 as required.

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3 years ago

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Anarel [89]

Answer:

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Step-by-step explanation:

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3 years ago

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