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igor_vitrenko [27]
2 years ago
8

The results of a standardized test are normally distributed. The mean test score is 312. Of the scores, 16% are under 307. What

is the standard deviation?
A: 10

B:5​
Mathematics
1 answer:
amid [387]2 years ago
4 0

Answer:

the answer is B five

Step-by-step explanation:

three hundred and seven minus three hundred and twelve

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Find two consecutive even integers whose product is 288
Trava [24]
So I’m going to solve this using algebra OK?
So what you do is take the first integer as X.
Then we know that x(the first number) + X+2(the second number) is 288 right?
So we solve that saying x+x+2=288.
So 2X+2=288
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So x is 286/2 right?
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So the second number should be 143+2 so 145.
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Use the information provided to write the standard form eqaution of each parabola. y=2(x+2)^2+9
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Step-by-step explanation:


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