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DiKsa [7]
2 years ago
7

Unit 1 geometry basics quiz 1-3 angle measures and relationships

Mathematics
2 answers:
Nata [24]2 years ago
6 0

Answer:

Step-by-step explanation:

coldgirl [10]2 years ago
5 0

Answer:

thw whole quiz?

Step-by-step explanation:

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Set up the equation for the following word problem and solve the equation. Let y be the unknown number.
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i have no idea.

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Draw a conclusion for the statement if possible. If it is Monday, then the library is closed. Today is Tuesday
USPshnik [31]

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D. It is not possible to draw a conclusion

Step-by-step explanation:

we are not given enough information about the library schedule.

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A reflecting telescope contains a mirror shaped like a parabola of revolution. If the mirror is 16 inches across at its opening
choli [55]

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18

Step-by-step explanation:

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Kelly spends $63.90 on items for a party. She buys thank you cards that cost $5.40 (including tax). She also buys gift bags that
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$63.90 (total)

$5.40 (cards)

$11.70/per (bags)

$63.90 - $5.40 = $58.50

$58.50 / $11.70 = 5

She invited 5 guests (b).
8 0
3 years ago
Read 2 more answers
Samir is an expert marksman. When he takes aim at a particular target on the shooting range, there is a 0.950.950, point, 95 pro
Vinvika [58]

Answer:

40.1% probability that he will miss at least one of them

Step-by-step explanation:

For each target, there are only two possible outcomes. Either he hits it, or he does not. The probability of hitting a target is independent of other targets. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

In which C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And p is the probability of X happening.

0.95 probaiblity of hitting a target

This means that p = 0.95

10 targets

This means that n = 10

What is the probability that he will miss at least one of them?

Either he hits all the targets, or he misses at least one of them. The sum of the probabilities of these events is decimal 1. So

P(X = 10) + P(X < 10) = 1

We want P(X < 10). So

P(X < 10) = 1 - P(X = 10)

In which

P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}

P(X = 10) = C_{10,10}.(0.95)^{10}.(0.05)^{0} = 0.5987

P(X < 10) = 1 - P(X = 10) = 1 - 0.5987 = 0.401

40.1% probability that he will miss at least one of them

7 0
3 years ago
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