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Sergeu [11.5K]
3 years ago
11

Find (f/g) (x) for the following functions. f(x)= 20x^3-7x^2+3x-7 g(x)=-13x^2-5

Mathematics
1 answer:
Ksivusya [100]3 years ago
5 0

Answer:

f(x) = -7   g(x) = -5

Step-by-step explanation:

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Is this graph linear or exponential
barxatty [35]
Its a graph linear i believe
3 0
2 years ago
What is the value of the expression?<br> 5(6-10)
MArishka [77]

Answer:

-20

Step-by-step explanation:

multiply 5 and 6 then 5 and -10

30-50=-20

6 0
3 years ago
A study suggested that childrenbetween the ages of 6 and 11 in the US have anaverage weightof 74 lbs. with a standard deviation
Doss [256]

Answer:

The proportion of children in this age range between 70 lbs and 85 lbs is of 0.9306.

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

A study suggested that children between the ages of 6 and 11 in the US have an average weightof 74 lbs, with a standard deviation of 2.7 lbs.

This means that \mu = 74, \sigma = 2.7

What proportion of childrenin this age range between 70 lbs and 85 lbs.

This is the pvalue of Z when X = 85 subtracted by the pvalue of Z when X = 70. So

X = 85

Z = \frac{X - \mu}{\sigma}

Z = \frac{85 - 74}{2.7}

Z = 4.07

Z = 4.07 has a pvalue of 1

X = 70

Z = \frac{X - \mu}{\sigma}

Z = \frac{70 - 74}{2.7}

Z = -1.48

Z = -1.48 has a pvalue of 0.0694

1 - 0.0694 = 0.9306

The proportion of children in this age range between 70 lbs and 85 lbs is of 0.9306.

7 0
2 years ago
Three students performed a science experiment using salt and a beaker. The beaker contained 530.2 grams of salt before the exper
anzhelika [568]
We are subtracting 3 * 47.36 from 530.2

3 * 47.36 = <span>142.08
</span>
530.2 - 142.08 = <span>388.12

Your answer should be </span><span>388.12 grams left. Hope this helps!</span>
3 0
3 years ago
Read 2 more answers
a soccer coach gives each player 1/2 liter of water at halftime. if there are 11 players how many liters does he need
Vitek1552 [10]

Answer:

1 player =1/2 liter

11 players=X

1/2x11

16,5

6 0
2 years ago
Read 2 more answers
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