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sattari [20]
3 years ago
11

HELP ASAP!!!! EXTRA POINTS!!

Mathematics
1 answer:
-BARSIC- [3]3 years ago
8 0

20%. total= 5 => total= 25

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The center of a circle is at (2, -5) and it's radius is 12. What is the equation of the circle?
Svetach [21]
The equation for a circle is (x-h)^2 +(y-k)^2=r^2
You just have to plug in your coordinates h is the x and k is the y.
The r is radius squared.
so, (x-2)^2+(y-(-5)^2=144
You have to be careful of those tricky negative values. When you distribute the y-(-5) it turns into y+5. 
So your answer is D.
8 0
3 years ago
Read 2 more answers
Which dimensions can create only one unique triangle?
s2008m [1.1K]

Answer:

<h2>The dimensions must all add up to 180°.</h2>

Step-by-step explanation:

For example;

Your triangles' angles are: 56, 77, and 47.

56 + 77 + 47 = 180

*You did not give me any values to solve for, but just since you didn't- I'v provided an example to assist you in doing it yourself.  If you want me to solve your full equation please add the angles or 3 dimensions of the triangle.

<h3><em>I hope this helped!</em></h3>
3 0
3 years ago
A store sold 650 bicycles last year. this year the store sold 572 bicycles. what is the precent decrease in the number of bicycl
allochka39001 [22]
%change=100(572-650)/650= -12%

The sales decreased by 12%
5 0
3 years ago
Write a linear equation in point slope form that passes through the point (-2,5) with a slope or 1/2
trasher [3.6K]

Answer:

y-5=\frac{1}{2}(x+2)

Step-by-step explanation:

Point Slope is:

y-y_1=m(x-x_1)

We are given the point (-2, 5) and a slope of 1/2.

y-y_1=m(x-x_1)\rightarrow\boxed{y-5=\frac{1}{2}(x+2)}

Hope this helps.

4 0
2 years ago
alyssa has 144 coins. of the coins 3/12 are nickels, 8/12 are dimes, and the rest are quarters what is the ratio of Alyssa’s nic
zubka84 [21]
<h3>Answer:</h3>

3:8:1

<h3>step-by-step explanation:</h3>

3/12 x 144= 36

8/12 x 144= 96

96+36= 132

144-132= 12

12/12=1

Therefore, the ratio of Alyssa's nickels to dimes to quarters is 3:8:1

5 0
2 years ago
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