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jeyben [28]
3 years ago
15

Which point is Not on a circle with a center of (0,0) and a radius of 10?

Mathematics
2 answers:
Burka [1]3 years ago
6 0
It is A because the radius is 10 which means that if x=0 then y must equal 10. (0,5) would be inside of the circle. If this doesn't make sense graph the circle and the points and you'll see what I mean.
arlik [135]3 years ago
3 0
What is the general equation for a circle? There should be three unknowns, namely (a,b), the coordinates of the centre of the circle, and r the radius of the circle. You have three points on the circle, which should give you three equations. Solve the system, and you get a, b and r.

The second part is similar: what is the general expression for a quadratic function? Once again, there are three unknowns, use the three points to get a new system and solve.
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Sweaters cost $39 each. This is $15 more than the price of a cap. Over the season, 725 caps were sold. What was the total sales
Leokris [45]

The price of a cap is 15 less than the sweater:

39-15 = $24

Multiply the price of a cap by amount sold:

725 x 24 = $17,400

4 0
3 years ago
PLZ HELP HELP WITH ALL PART REALLY NEED HELP WITH THIS!!
Shalnov [3]
First, you should graph the points. For the first number, called the X-Axis, you should to the right or left, and for the second number, called the Y-Axis, you should go up or down.

To find the distance between Point A and Point C, you should simply just count the number of intersections between them (4).

Angle B is a right angle because if the triangle is bisected at B, it will leave a right angle on either side. Therefore, to label it, you should simply just draw a line through Point B all of the way to line (A,C).

The type of triangle you have drawn is an isosceles, because it has 2 equal angles and 2 equal sides.

We know both of the sides that are unknown will be the same because the triangle is bilateral. Then, we can use the bisection we made earlier to solve for the unknown sides using Pythagorean Theorem. Since earlier, we know the entire bottom is 4, we know half of the bottom is 2. We can also see that the height of the triangle is 2. We then plug those numbers into the Pythagorean Theorem (A^2*B^2=C^2) which makes the value of C^2=16. We then take the square root of C^2 and 16 to see that both unknown sides are 4.   



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3 years ago
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Where is the question
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LenKa [72]
I think the answer is C, y= log 25^x. Logarithmic functions are inverses of exponential functions. the inverse of exponential function y =a ^x is x = a^y. The logarithmic function y = logaX, is defined to be equivalent to the exponential equation x= a^y.
3 0
3 years ago
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rjkz [21]
Ty's social security tax is
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The best choice is ...
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6 0
3 years ago
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