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Lena [83]
3 years ago
9

Solve the equation for y: 2x+3y=6

Mathematics
1 answer:
igor_vitrenko [27]3 years ago
7 0

Answer:

Let's solve for x.

2x+3y=6

Step 1: Add -3y to both sides.

2x+3y+−3y=6+−3y

2x=−3y+6

Step 2: Divide both sides by 2.

2x 2 =

−3y+6

2 x= −3

2 y+3

Answer:

x= −3 2

y+3

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Rectangle to cone → 5:3

60(cone) ÷ 3(ratio is 5:3) = 20

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Hope this helps :)




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4 years ago
The lines in the graph of part A don't intersect at two whole numbers on the coordinate grid. Estimate the values of the solutio
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Step-by-step explanation:

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Answer:

The 99% confidence interval is (0.0787, 0.1613).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence interval 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

Z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

For this problem, we have that:

The survey included 411 adults between the ages of 55 and 64, and 50 of them said that they had used online dating. This means that n = 411, \pi = \frac{50}{411} = 0.12

The 99% confidence interval is

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The lower limit of this interval is:

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The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{411}} = 0.12 + 2.575\sqrt{\frac{0.12*0.88}{411}} = 0.1613

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4 years ago
How many different primes are in the prime factorization of 20! or 20 factorial?
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