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4 years ago

The circle below is centered at the point (4, 3) and has a radius of length 5. What is its equation?

Mathematics

2 answers:

kvasek [131]4 years ago

7 0

Answer:

(x-4)2+(y-3)2=5^2

Leona [35]4 years ago

6 0

Answer:

(x -4)² + (y -3)² = 25

Step-by-step explanation:

The circle centered at (h, k) with radius r has equation

... (x -h)² +(y -k)² = r²

Putting the given numbers into this formula gives

... (x -4)² +(y -3)² = 5²

... (x -4)² + (y -3)² = 25

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Answer:

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Step-by-step explanation:

Original price = x

Sale = 20% off

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End price in terms of original price (x):

0.75y = 0.75(0.8)x

= 0.6x

End price = 0.6 or 60% of original price, coming out to a 100-60 = 40% overall percentage reduction

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Read 2 more answers

the product of two consecutive positive even integers is 14 more than their sum. Set up an equation that can

alexandr1967 [171]

Required equation to determine two consecutive even number is $x^{2}-16=0$ and required numbers are 4 and 6.

<u>Solution:</u>

Given that product of two consecutive positive integer is 14 more that their sum. Need to create the equation and solve it to get two numbers.

Let’s assume first even number be represented by x.

So second consecutive even number will be $x + 2$

Sum of two consecutive number = $(x) + (x + 2)$

$\Rightarrow$ Sum of two consecutive number = $2x + 2$

Product of two consecutive number = $(x) \times(x+2)=x^{2}+2 x$

Product of two consecutive number is 14 more that sum of two consecutive numbers, so if we subtract 14 from product, we will get sum.

$\begin{array}{l}{\Rightarrow\left(x^{2}+2 x\right)-14=2 x+2} \\\\ {=>x^{2}+2 x-2 x-14-2=0} \\\\ {\Rightarrow x^{2}-16=0} \\\\ {\Rightarrow x^{2}-4^{2}=0} \\\\ {\Rightarrow x^{2}=4^{2}} \\\\ {\Rightarrow x=4}\end{array}$

One even number = $x=4$

Other even number = $x + 2 = 4 + 2 = 6$

Hence required equation to determine two consecutive even number is $x^2 -16 = 0$ and required numbers are 4 and 6.

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4 years ago