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Mathematics

1 answer:

MaRussiya [10]3 years ago

4 0

The correct answer is #2: 6,2 9,3 12,4 because all of these answers equal 1/3

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200x-300y=600 graph linear equation

mojhsa [17]

$200x-300y=600$

<u>Explanation</u>

Slope= 2/3

Y intercept= -2

x y

0 3

----------------

-2 0

Linear equations are those equations between variables that give a straight line when plotted on the graph.The standard form for linear equations in two variables is Ax+By=C.

linear equation refers implicitly to the case of just one variable. Here the linear equation 200x-300y=600 gives straight line when plotted on the graph.

The graph linear equation means the linear equation has to be plotted on the graph. After plotting it on the graph we get straight line passing x and y axis. The graph has been attached to the answer.

5 0

2 years ago

Find the distance between the points (–6, 7) and (0, 8).

Vladimir [108]

Answer:

$\sqrt{37}$

or 6.08276253

4 0

3 years ago

An environmental science teacher at a high school with a large population of students wanted to estimate the proportion of stude

AnnZ [28]

Answer:

60 students

Step-by-step explanation:

The confidence interval of a proportion is given by:

$p\pm z*\sqrt{\frac{p*(1-p)}{n} }$

Where 'p' is the proportion of students who responded 'yes', 'z' is the z-score for a 95% confidence interval (which is known to be 1.960), and 'n' is the number of students in the sample.

If the confidence interval is from 0.584 to 0.816, then:

$p=\frac{0.584+0.816}{2}=0.7 \\0.816-0.584=2*(1.96*\sqrt{\frac{p*(1-p)}{n}}) \\0.116=1.96*\sqrt{\frac{0.7*(1-0.7)}{n}}\\n=16.8966^2*(0.7*0.3)\\n=60\ students$