3 years ago

Have you ever looked more to look further to even think to do more?

Mathematics

1 answer:

lesya692 [45]3 years ago

5 0

Answer:

wait what does that mean I don't get it

have a good day :)

Step-by-step explanation:

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Find the exact solution of x 3x^2+7=28 A.+√7 B.7 C.+7 D.-7

yulyashka [42]

Answer:

x = ± $\sqrt{7}$

Step-by-step explanation:

3x² + 7 = 28 ( subtract 7 from both sides )

3x² = 21 ( divide both sides by 3 )

x² = 7 ( take square root of both sides )

x = ± $\sqrt{7}$

that is x = - $\sqrt{7}$ , x = $\sqrt{7}$

3 0

1 year ago

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Anarime estimates that of people booked on the fights actually show up in the e books 70 people on a fight for which the maximum

Mandarinka [93]

Answer:

An airline estimates that 94% of people booked on their flights actually show up. If the airline books 77 people on the flight for which the maximum number is 75, what is the probability that the number of people who show up will exceed the capacity of the plane?

-------------------------

Binomial Problem with n = 77 and p = 0.94

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P(76 <= x <= 77) = 1-P(0 <=x <= 75) = 1 - binomcdf(77,0.94,75) = 0.0504

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Cheers,

Stan H.

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2 years ago

Draw a model to show a fraction that is equivalent to one third

Irina-Kira [14]

Hope this helps :) (the first circle is a fraction of thirds and the second circle is a fraction of sixths)