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3 years ago

5

What is the measure of XYZ ? O A. 68° O B. 22° O C. 136 O D. 34°

1 answer:

777dan777 [17]3 years ago

3 0

C I believe i need more info on the question

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A manufacturer of matches randomly and independently puts 23 matches in each box of matches produced. The company knows that one

d1i1m1o1n [39]

Answer:

0.9855 or 98.55%.

Step-by-step explanation:

The probability of each individual match being flawed is p = 0.008. The probability that a matchbox will have one or fewer matches with a flaw is the same as the probability of a matchbox having exactly one or exactly zero matches with a flaw:

$P(X\leq 1)=P(X=0)+P(X=1)\\P(X\leq 1)=(1-p)^{23}+23*(1-p)^{23-1}*p\\P(X\leq 1)=(1-0.008)^{23}+23*(1-0.008)^{23-1}*0.008\\P(X\leq 1)=0.8313+0.1542\\P(X\leq 1)=0.9855$

The probability that a matchbox will have one or fewer matches with a flaw is 0.9855 or 98.55%.

8 0

3 years ago

Plz help with - symmetry-

DIA [1.3K]

Answer:

1.) The correct answer is A.

2.) The correct answer is C.

3.) The correct answer is B.

4.) The correct answer is A.

5.) The correct answer is B.

Step-by-step explanation:

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3 years ago

On a map, 1 inch equals 25 miles. Two cities are 9 inches apart on the map. What is the actual distance between the cities?

Nataly [62]

Answer:

225 miles

Step-by-step explanation:

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3 years ago

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What is the runner’s average rate of change between the hours: 0.5 and 2? mph 1.5 and 2.5? mph Average Rate of Change

lana [24]

Answer:

0.5 and 2?

4

mph

1.5 and 2.5?

5

mph

Base on these results, the runner ran at a rate between 0.5 and 2 hours than between 1.5 and 2.5 hours.

slower

Step-by-step explanation:

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3 years ago