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3 years ago

10

There were x cookies at the beginning of a party. By the end of the party, 16 of them had been eaten. Using x, write an expressi

on for the number of cookies that were left

1 answer:

Sever21 [200]3 years ago

6 0

Answer:

5

Step-by-step explanation:

xf

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What is the y intercept of the linear equation x

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x isn't a linear equation, it's just a variable or an expression or a letter of the alphabet.

x = 0 is a linear equation and is a line in the Cartesian plane. In fact, it's the y axis itself.

So every point on the line x=0 is a y intercept.

There is no "the" y intercept, no unique y intercept.

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1/3

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A sewing machine can sew 500 stitches in 2/3 min.<br><br> Complete the unit rate.

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The head of a computer science department is interested in estimating the proportion of students entering the department who wil

olya-2409 [2.1K]

Answer:

96

Step-by-step explanation:

From the given information:

At 95% Confidence interval level,Level of significance $\alpha$ 0.05, the value of Z from the standard normal tables = 1.96

Margin of Error = 0.10

Let assume that the estimated proportion = 0.5

therefore; the sample size n can be determined by using the formula: $n =(\dfrac{Z}{E})^2 \times p\times (1-p)$

$n =(\dfrac{1.96}{0.1})^2 \times 0.5\times (1-0.5)$

$n =(19.6)^2 \times 0.5\times (0.5)$

n = 96.04

n $\approx$ 96

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