3 years ago

Evaluate each expression, m= 4, x= 9, and r= 1/6

Mathematics

1 answer:

bagirrra123 [75]3 years ago

8 0

4. 14
5. 6
6. 1/12
These are the answers to the questions

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SAT math scores have a bell-shaped distribution with a mean of 515 and a standard deviation of 114.

nadezda [96]

Hey there mate :)

Analysis :

$401 = 515 - 114 = u - 6$

And

$173 = 515 - 3.114 = u - 36$

$= \frac{p(u - 36 < u < u + 36) - p(u - 6 < u < u + 6)}{2}$

$= \frac{99.73percent - 68.21percent}{2}$

$= \frac{31.46percent}{2}$

$= {15.73percent}$

Then, calculating,

$u - 26 = 515 - 2 \times 114 = 287$

And

$u + 26 = 515 + 2 \times 114 = 743$

Then,

$The \: Range = (287,743)$

Final Answers :-

15.73 %

(287,743)

~Benjemin360

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3 years ago

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Lemur [1.5K]

Answer:

x=1000

Step-by-step explanation:

log x = 3

log10 ( x) = 3

Raise each side to the power of 10

10^( log10 ( x)) =10 ^3

x = 10 ^3

x = 1000

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S = 2 * (pi) * r * h.....for r
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Step-by-step explanation:

it's easy

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Step-by-step explanation:

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