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kvv77 [185]
3 years ago
15

A radio telescope's shape can be approximated with the equation y=0.011x^2. Is the relationship between x and y linear? Is it pr

oportional?
Mathematics
1 answer:
cupoosta [38]3 years ago
4 0
The relationship is not linear, because the distance between each y value does not increase by an equal amount each time. It is not proportional because the ratio of x and y values does not stay the same for each coordinate.
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The slope of a line perpendicular to the

graph of the equation 5x - 3y = 2 is -3/5.

<h3>How to find the slope of a line?</h3>

given that the equation is 5x - 3y = 2.

now write the equation in standard form y = mx + b

then -3y = 2 - 5x

y = -2/3 + 5x/3

y = 5/3x - 2/3

m 1*m 2 = - 1 is the formula for the slopes from a pair of perpendicular lines. where the slopes of the lines are m 1 and m 2.

Here m1 = 5/3 and m2 = -3/5.

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Step-by-step explanation:

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The problem describes Georgie took 275 mg of the medicine for her cold in the first hour and that in each subsequent hour, the amount of medicine in her body is 91% (0.91) of the amount from the previous hour. It can be written as

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\displaystyle a_n=275\ .\ 0.91^{8-1}

\displaystyle a_n=275\ .\ 0.91^{7}

\boxed{\displaystyle a_8=142,11\ mg}

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