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3 years ago

HELP ME PLEASE 90 POINTS

Mathematics

1 answer:

Elis [28]3 years ago

4 0

Answer:

first lets write down the statement

"The definition of good mathematical problem is the mathematics it generates rather than the problem itself"

Andrew Willes

<h3>ANSWER:</h3>

People interpret things differently there have been math problems that were told to be unsolved until someone viewed it differently and solved it. If you never try it, you will never solve it. Some problems seem simple but you try them for a year, ten years, a hundred years and it turns out they are extremely hard to solve. Simple but challanging math problems. The Good Math problems are those that look simple but are hard to solve. The problem itself looks simple But the math it generates is hard and complex to solve.

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Find the center and the radius of the circle with the equation .

Simora [160]

We have been given an equation of circle $x^2+2x+y^2-2y-14=0$ . We are asked to find the center and radius of the circle.

First of all, we will write equation of circle is standard form $(x-h)^2+(y-k)^2=r^2$ , where center of circle is at point (h,k) and radius is r.

Let us complete the square for both x and y.

$x^2+2x+y^2-2y-14+14=0+14$

$x^2+2x+y^2-2y=14$

Adding half the square of coefficient of x and y term, we will get:

$(\frac{2}{2})^2=1^2=1$

$(\frac{-2}{2})^2=(-1)^2=1$

$x^2+2x+1+y^2-2y+1=14+1+1$

$(x+1)^2+(y-1)^2=16$

$(x-(-1))^2+(y-1)^2=4^2$

Therefore, the center of the circle is $(-1,1)$ and radius is 4 units.

4 0

3 years ago

Jaylon makes twice as much an hour as Sam. Sam makes x dollars an hour. Write an expression describing how much Jaylon makes an

Kamila [148]

Answer:

2x dollars an hour. A.

Step-by-step explanation:

2 * x = 2x

3 0

3 years ago

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A flagpole that is 9 feet high casts a shadow 12 feet long. At the same time, a house casts a shadow 32 feet long. If the right

levacccp [35]

C I had this last year

3 0

3 years ago

from the equation 2x+9+3x+x=_x+_, use numbers 0-9 to find no solutions, one solution, or infinitely many solutions

Karolina [17]

2x + 9 + 3x + x =
6x + 9 =

when u use : 6x + 9 u will have infinite solutions
when u use 6x + 8 u will have no solutions
when u use 5x + 7 u will have 1 solution

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4 years ago

Determine if 27/44 is a rational number or not.

kati45 [8]

Answer:

rational

Step-by-step explanation:

A rational number can be expressed in the form

$\frac{a}{b}$ ← where a and b are integers