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brilliants [131]
3 years ago
7

Can somebody please explain how to do this?

Mathematics
2 answers:
erastova [34]3 years ago
6 0
As we already have the value of y,we can put it into another equation.

Here's how we can solve the equation:

y = 2x+48...(1)
y = 8x...(2)

Put (2) into (1)

(8x) = 2x+48
8x-2x = 48
6x = 48
x = 8...(3)

Put (3) into (1)
y = 8(8)
y = 64

Thus, x=8, y+64

Hope it helps!
Inessa [10]3 years ago
3 0

x = -24 + y/2

y = 8x

I hope this helped :)

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Interest paid after 30 years is $494,546.99.

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Principal (P) = $195,000

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Compound interest formula:

$A=P\left(1+\frac{r}{n}\right)^{n t}

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$A=195000\left(1+\frac{4.3\%}{1}\right)^{1\times 30}

$A=195000\left(1+\frac{4.3}{100}\right)^{30}

$A=195000\left(\frac{100+4.3}{100}\right)^{30}

$A=195000\left(\frac{104.3}{100}\right)^{30}

A = 689546.99

Interest = Amount  - Principal

             = 689546.99 - 195000

             = 494546.99

Interest paid after 30 years is $494,546.99.

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<u>Given</u>:

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We need to determine the given line segments are radius, chord, diameter, secant or tangent of circle O.

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Thus, the line segment AB is a secant.

<u>Line segment DB (</u>\overline{D B}<u>):</u>

The diameter of the circle is line that passes through the center and touches the two ends of the circle.

Thus, from the figure, the line segment DB passes through the center and touches the two ends of the circle.

Hence, the line segment DB is the diameter.

<u>Line segment AB (</u>\overline{A B}<u>):</u>

The line joining any two points on the circle is called the chord of the circle.

Thus, from the figure, the line segment AB touches the two points on the circle.

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The radius of the circle is any line from the center of the circle to any point on the circle.

Thus, from the figure, the line segment OB is a line from center of the circle to the point B on the circle.

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