Answer:
x(x+3)(x−10)
Step-by-step explanation:
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I hope you guys can see it but if you answer it i’ll make you the brainiest
1 answer:
Answer:
Step-by-step explanation:
the smallest length that the pen could be is the with x length => 209 sq ft
where the length is 8 feet more than the width.
so find that where x *( x+8) = 209
then + 8x - 209 = 0
using the quadratic equation I got 11
11* ( 11+8) =209
so that's the smallest it could be
so the width must be greater than 11 to make the pen greater than 209 sq ft. :)
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Answer:
1060
Step-by-step explanation:
Given:
No. of boys = 870
No. of girls = 800
Probability that a boy chosen studies Spanish =
Probability that a girl chosen studies Spanish =
the number of boys in the school who study Spanish :
the number of girls in the school who study Spanish :
Therefore, total number of students who study Spanish would be :
480+580=1060
The empirical rule says that approximately 68% of any normal distributed data set lies within one standard deviation of the mean.
The same rule states that about 95% lies within two standard deviations of the mean. Using this rule, and the fact that any normal distribution is symmetric about its mean, you have