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Svet_ta [14]
3 years ago
5

4) Given the line with equation 2x + 5y= 10 :

Mathematics
1 answer:
Svetlanka [38]3 years ago
4 0
A. <span>2x + 5y= 10
    5y= -2x+10
</span>-> y= -2/5x+2

b. The slope is 2

c. For the y  intecpet, x is always 0

y= -2/5x+2
y= -2/5(0)+2
y=0+2
y=2

(0,2) is the y-interecpt

d. Please veiw below

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Which expression is equivalent to the following complex fraction?
user100 [1]

The equivalent expression of (1 + \frac{1}{y}) \div (1-\frac 1y) is \frac{y + 1}{y-1}

<h3>How to determine the equivalent fraction?</h3>

The fraction is given as:

(1 + \frac{1}{y}) \div (1-\frac 1y)

Take the LCM

\frac{y + 1}{y} \div \frac{y-1}y

Express as products

\frac{y + 1}{y} \times \frac{y}{y-1}

Evaluate the product

\frac{y + 1}{y-1}

Hence, the equivalent expression of (1 + \frac{1}{y}) \div (1-\frac 1y) is \frac{y + 1}{y-1}

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2 years ago
Four runners start at the same point: Lin, Elena, Diego, Andre. For each runner write a multiplication equation that describes t
Semenov [28]

Answer:

Lin =    8.2 m/s  x  25 s =<u> 205 m  </u> (<em>Finish Point)</em>

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Diego = -8.1 m/s x 32 s =<u> -259.2 meters</u>  (<em>Finish Point</em>)

Andre =  V = -285 m /35 s     V= -8.14ms  (<em>Velocity</em>)

Step-by-step explanation:

I hope this helps!

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Read 2 more answers
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Talja [164]

Answer:

E' = (-4, 3)  Answer C in your list of options

See attached image for the plot.

Step-by-step explanation:

Recall that a rotation in 180 degrees around the origin produces the following change in coordinates: (x, y) --> (-x, -y)

Therefore, since we read the coordinates of point E as: (-4, 3),

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When the number of degrees of freedom is large, the student's distribution is close to the?
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The number of degrees of freedom is large, then the student's T distribution is close to the normal distribution.

The degrees of freedom is the number of observation in a sample that are free to vary when we estimate the statistical data. Degree of freedom will also indicate the independent piece of information in the data.

Basically, the T distribution or student's distribution is a family's of distribution that look identical to the normal distribution.

So, the number of degrees of the freedom is large then it will closely related to normal distribution.

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Answer:

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