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Natasha2012 [34]
3 years ago
13

A rectangular prism with a square base is cut from the center of a triangular prism. Each side of the square base measures 1.7 u

nits. A rectangular prism with a square base is cut out of the center of a triangular prism. The triangular prism has base lengths of 5 and 4 units and a height of 5.7 units. The rectangular prism has sides lengths of 1.7 and 4 units. What is the volume of the shaded solid? Round to the nearest tenth of a cubic unit. 11.6 units3 45.4 units3 57.0 units3 68.6 units3
Mathematics
2 answers:
anzhelika [568]3 years ago
6 0

Answer:

45.4

Step-by-step explanation:

MAVERICK [17]3 years ago
6 0

Answer: b- 45.4

Step-by-step explanation: just took the quiz

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A recent survey based on a random sample of n=470 voters, predicted that independent candidate for the mayoral election will get
julsineya [31]

I have an expression

\sigma = \sqrt{p(1-p)/n}

floating around in my head; let's see if it makes sense.

The variance of binary valued random variable b that comes up 1 with probability p (so has mean p) is

E( (b-p)^2 ) =  (-p)^2(1-p) + (1-p)^2p = p(1-p)

That's for an individual sample. For the observed average we divide by n, and for the standard deviation we take the square root:

\sigma = \sqrt{p(1-p)/n}

Plugging in the numbers,

\sigma = \sqrt{.24(1-.24)/490} = 0.019 = 1.9\%

One standard deviation of the average is almost 2% so a 27% outcome was 3/1.9 = 1.6 standard deviations from the mean, corresponding to a two sided probability of a bit bigger than 10% of happening by chance.

So this is borderline suspect; most surveys will include a two sigma margin of error, say plus or minus 4 percent here, and the results were within those bounds.

7 0
3 years ago
Graph y=5/3x-9 in slope intercept
prisoha [69]

Answer:

Step-by-step explanation:

3 0
2 years ago
Luke and Aisha are traveling on the same road in the same direction. Luke is driving at a rate of 50 miles per​ hour, and Aisha
Nataly_w [17]

If x is the time, in hours, then:

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hope this helps you!

7 0
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I will give brainliest answer
Leno4ka [110]

Answer:

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