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ale4655 [162]
3 years ago
13

To make 5 blueberry pies,Mindy needs about 2 pounds of blueberries. How many pounds of blueberries does Mindy need to make 20 bl

ueberry pies?
Mathematics
2 answers:
vlabodo [156]3 years ago
8 0

Answer:

so 5 pies is 2 pounds so 20 pies is 8 lbs of blueberries

Step-by-step explanation:

5 pies is 2 lbs

10 is 4 lbs

15 is 6 lbs

20 is 8 lbs of blueberries

Vsevolod [243]3 years ago
6 0
20 lol sorry if it’s wrong
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x - 30 + x = 90

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3 years ago
第 5 个问题 a multiple choice exam has 10 questions. each question has 3 possible answers, of which one is correct. a student knows
tatuchka [14]

The chances that the student was merely guessing is 1/3.

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denoted by

P(A/B)=\frac{P(A)*P(B/A)}{P(B)}

let A be the  event that the student knows the answer .

B be  the  event that the student does not knows the answer .

and

E be the event he gets answer correct .

According to the given question

P(A)=\frac{4}{10} \\\\ P(B)=1-\frac{4}{10} =\frac{6}{10}

Probability that the answer is correct ,given that he knows the answer is

P(E/A)=1

Probability that the answer is correct ,given that he guesses it is

P(E/B)=\frac{1}{3}   [as the MCQ has 3 options and only one is correct]

We need to find the probability that he guesses the answer given that it is correct.

Required probability P(B/E)=\frac{P(B)*P(E/B)}{P(A)*P(E/A)+P(B)*P(E/B)}

Substituting the values we get

P(B/E)=\frac{\frac{6}{10} *\frac{1}{3} }{\frac{4}{10} *1+\frac{6}{10} *\frac{1}{3} }

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Therefore ,  the chances that the student was merely guessing is 1/3.

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8 0
1 year ago
Based on the measures
Sever21 [200]

A circle is a curve sketched out by a point moving in a plane. The measure of the ∠ACB or θ is 50°.

<h3>What is a circle?</h3>

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4 0
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