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3 years ago

I just need to know if it’s a b c or d please and thx u

Mathematics

1 answer:

vagabundo [1.1K]3 years ago

7 0

Answer:

i think its B

Step-by-step explanation:

sorry if its wrong have a good day/night ;)

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Vivian won a $18 gift certificate to a Mexican restaurant. She must spend more than the

7nadin3 [17]

Answer:

$7x+y>18$

Step-by-step explanation:

$7x$ is 7 dollars times the amount of burritos

$y$ is 1 dollar times the amount of tacos

$>$ because the final price has to be more than the gift card

$18$ the money on the gift card

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2 years ago

What does n mean(mathematics)<br> ?

Fiesta28 [93]

Maybe idk number???? i think that's maybe what n means??
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3 years ago

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Please help me I’m super stuck

andrezito [222]

Answer:

What's the question?

Step-by-step explanation:

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2 years ago

What is the meaning of rate

AlexFokin [52]

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3 years ago

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Use the Venn diagram to calculate probabilities. Circles A and B overlap. Circle A contains 15, circle B contains 10, and the in

grin007 [14]

Answer:

$(B) P(B)=\dfrac{16}{31}$

Step-by-step explanation:

From the Venn diagram, n(AUB)=31

The given probabilities in the option are calculated below:

$P(A)=\dfrac{21}{31}\\\\P(B)=\dfrac{16}{31}\\\\P(A|B)=\dfrac{P(A\cap B)}{P(B)}= \dfrac{6/31}{16/31} =\dfrac{6}{16}=\dfrac{3}{8} \\\\P(B|A)=\dfrac{P(B\cap A)}{P(A)}= \dfrac{6/31}{21/31} =\dfrac{6}{21}=\dfrac{3}{7}$

The only correct option is the probability of B which is $\frac{16}{31}$

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3 years ago