2 years ago

7. John, Paul, and George are having a disagreement over interest rates. John

Mathematics

1 answer:

gayaneshka [121]2 years ago

7 0

John Paul is correct

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Which of the following is the equation of a circle with a radius of 10 cm and center at (–3, 6)?

Volgvan

The equation of the circle:

$(x-h)^2+(y-k)^2=r^2$

(h, k) - center

r - radius

We have:

$r=10\\(-3,\ 6)\to h=-3,\ k=6$

Substitute:

$(x-(-3))^2+(y-6)^2=10^2\\\\(x+3)^2+(y-6)^2=100$

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3 years ago

Rewrite the function by completing the square.

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Answer:

Step-by-step explanation:

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Rodrigo buys a jacket that is on sale for 1/4 off of the original price of 80$. he has a coupon for an additional 10% off. how m

NeX [460]

Price after off =80- 1/4 * 80 = 80-20 = $60

Coupon discount = 60*10/100 = $6

So, he have to pay, 60-6 = $54

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3(x² + 3x - 10)<br> Simply the expression

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Answer:

3 $x^{2}$ +9x-30

Step-by-step explanation:

Multiply the three into each number

3 $x^{2}$ +9x-30

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Given the arc length of a circle is 127π centimeters and the subtended angle is 60˚. Find the Circumference of the circle.

Mumz [18]

The circumference of the circle is 762π cm.

<h3>What is length of arc of a circle?</h3>

The length of arc a circle can is determined with the radius and central angle of the arc.

The radius of the circle is calculated as follows;

$L = \pi r \times \frac{ \theta }{180} \\\\
\pi r \theta = 180 L\\\\
\pi r = \frac{180 L}{\theta}$

The circumference of the circle is calculated as follows;

$C = 2\pi r\\\\
C = 2(\pi r)\\\\
C = 2(\frac{180 \ L}{\theta } )\\\\
C = 2(\frac{180 \times 127\pi}{60 } )\\\\
C = 762 \pi \ cm$

Learn more about circumference of a circle here: brainly.com/question/9782777

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2 years ago