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aleksandr82 [10.1K]
3 years ago
10

Berries are $3 per pound. Which inequality shows the number N of pounds you can buy if you have $20?

Mathematics
2 answers:
Lady bird [3.3K]3 years ago
7 0

Answer:

N≤(20/3);    Kindly rate

Step-by-step explanation:

The number N of pounds you can buy if you have $20, given that the cost of Berries is $3 per pound will be less or equal to (20/3)

Igoryamba3 years ago
3 0

For this case we have, that the berries cost 3 dollars per pound.

If you have $ 20, we want to find the maximum amount (N) of berries that we can buy.

By multiplying the N pounds of berries by $ 3, the product should not exceed $ 20.

So:

N * 3 \leq20

Thus, the inequality is:

N * 3 \leq20

N \leq \frac {20} {3}

Answer:

N \leq \frac {20} {3}

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kvv77 [185]

Answer:

Step-by-step explanation:

Part 1

P(z < -1.45)

Using the z score table

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Part 2

We solve using z score formula

z = (x-μ)/σ, where x is the raw score, μ is the population mean, and σ is the population standard deviation.

a) P(X >52)

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b) P(48 < x < 64)

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2 years ago
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Answer:

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Step-by-step explanation:

Least Square Regression Line is drawn through a bivariate data(Data in two variables) plotted on a graph to explain the relation between the explanatory variable(x) and the response variable(y).

Not all the points will lie on the Least Square Regression Line in all cases. Some points will be above line and some points will be below the line. The vertical distance between the points and the line is known as residual. Since, some points are above the line and some are below, the sum of residuals is always zero for a Least Square Regression Line.

Since, we want to minimize the overall error(residual) so that our line is as close to the points as possible, considering the sum of residuals wont be helpful as it will always be zero. So we square the residuals first and them sum them. This always gives a positive value. The Least Square Regression Line minimizes this sum of residuals and the result is a line of Best Fit for the bivariate data.

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5 0
2 years ago
Read 2 more answers
Plz help pe with this guys, thank you.
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Answer:

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