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3 years ago

If the end points of the diameter of a circle at (8,6) and (2,0), what is the standard form equation of the circle

Mathematics

1 answer:

pychu [463]3 years ago

8 0

The answer is... y=x-2
have a great day!!!

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Yoshi's age is twice Bart's age plus 3. Yoshi is 13 years old. How old is Bart?

Yuki888 [10]

Answer: 5

Step-by-step explanation:

2x + 3 = 13

3 0

3 years ago

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Solve 2x2 + 20x = −38. (1 point)

RoseWind [281]

Answer:

The solutions are $x=-5+\sqrt{6}$ and $x=-5-\sqrt{6}$

Step-by-step explanation:

we have

$2x^{2} +20x=-38$

Divide by $2$ both sides

$x^{2} +10x=-19$ ------> $x^{2} +10x+19=0$

we know that

The formula to solve a quadratic equation of the form $ax^{2} +bx+c=0$ is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$x^{2} +10x+19=0$

$a=1\\b=10\\c=19$

substitute

$x=\frac{-10(+/-)\sqrt{10^{2}-4(1)(19)}}{2(1)}$

$x=\frac{-10(+/-)\sqrt{100-76}}{2}$

$x=\frac{-10(+/-)\sqrt{24}}{2}$

$x=\frac{-10(+/-)2\sqrt{6}}{2}$

$x1=\frac{-10(+)2\sqrt{6}}{2}=-5+\sqrt{6}$

$x2=\frac{-10(-)2\sqrt{6}}{2}=-5-\sqrt{6}$

8 0

3 years ago

Read 2 more answers

Anthony Chen's father is going to put a tile border around

Levart [38]

Answer: 12

Step-by-step explanation:

One yard is three feet. So three times four is 12 because it makes four yards in total with each side being a yard.

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3 years ago

What is the expression is equivalent(23×2)×5

timurjin [86]

Answer:

230

Step-by-step explanation:

8 0

3 years ago

Brooks built two similar wooden chests in the shape of rectangular prisms. She used 16 pints of paint to cover the outside of th

tester [92]

Choices: <span>A. 16/9 B. 4/3 C. 32/9 D. 64/27</span>

Given:
number of pints used for larger chest = 16 pints
number of pints used for smaller chest = 9 pints

Ratio of the volume of the larger chest compared to the smaller chest.

We will use the number of pints used in lieu of the volume of each chest.

16 / 9 is the ratio. Choice A.

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3 years ago