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zimovet [89]
3 years ago
13

A circle is centered at (11, −9) and has a radius of 12.

Mathematics
1 answer:
ahrayia [7]3 years ago
6 0
\bf \textit{equation of a circle}\\\\
(x-{{ h}})^2+(y-{{ k}})^2={{ r}}^2
\qquad 
\begin{array}{lllcl}
center\quad  (&h,&\quad  k)\qquad
radius=&r\\
&11&-9&12
\end{array}
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Answer:

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3 0
2 years ago
There is 12/15 of a pizza left. How many 3/10 pieces can be made from the leftover pizza? Show work please!
Katyanochek1 [597]

How many 1/3 pieces can be made from 2 pizzas, we know it is 6 and it is arrived by dividing 2 by 1/3 or multiplying by its reciprocal 3/1.

Hence to find how many 3/10 pieces can be made from 12/15 pizza, we have to divide 12/15 by 3/10 or multiplying by its reciprocal 10/3, i.e.

12/15 times 10/3= 8/3 or 2  2/3 

What does that mean? This means that while 2 three-tenths pieces can be made, 2/3of 3/10 i.e. <span>2/3×3/10=2/10=1/5</span> or one-fifth of pizza will be left out.

So the answer is 2 three-tenths pieces can be made, and one-fifth pizza will be left out.

5 0
3 years ago
The sum of two numbers is 80 If four times the smaller number is subtracted from the larger number, the result is 10. Find the t
timama [110]
This can be solved using a system of equations. 
\left \{ {{x+y=80} \atop {x-4y=10} \right. &#10;
Subtract y from both sides.
x=80-y
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5y=70
Divide both sides by 5:
y= \frac{70}{5} =14
Substitute.
x=80-14=66
3 0
3 years ago
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First convert the equation in the form of <em>y= mx + </em><em>c</em>

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4 0
3 years ago
How would you write 20% as a fraction
givi [52]
For 20% out of 100% it would be 1/5 as you need 5 20s for 100
6 0
3 years ago
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