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Klio2033 [76]
3 years ago
8

PLEASE HELP ME!! HURRY PLEASE

Mathematics
1 answer:
coldgirl [10]3 years ago
7 0
4, there is 3 radii  OA, OC and OB
 2nd choice

5. there is one chord BC
first choice

6. 3 central angles:
 AOC, AOB, BOC
  first choice


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PLS HELPPP WILL AWARD BRAINLIEST!
AfilCa [17]

Answer: Red is 0.18 And Blue is 0.68

Step-by-step explanation:

Look at sizes and comparisons between the sizes and all together should add to 1

4 0
3 years ago
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Determine and state the coordinates of the center and the length of the radius of the
zmey [24]

we can see that the center is (-3, 3) and the radius is 9 units.

<h3 /><h3>How to find the center and radius of the circle?</h3>

The general circle equation, for a circle with a center (a, b) and radius R is given by:

(x - a)^2 + (y - b)^2 = R^2

Here we have the equation:

x^2 + y^2 + 6x = 6y + 63

Let's complete squares:

x^2 + y^2 + 6x - 6y =  63

(x^2 + 6x) + (y^2 - 6y) = 63

(x^2 + 2*3x) + (y^2 - 2*3y) = 63

Now we can add and subtract 9, (two times) so we get:

(x^2 + 2*3x + 9) - 9 + (x^2 - 2*3x + 9) - 9 = 63

(x + 3)^2 + (y - 3)^2 = 63 + 9 + 9 = 81 = 9^2

(x + 3)^2 + (y - 3)^2 = 9^2

Comparing with the general circle equation, we can see that the center is (-3, 3) and the radius is 9 units.

If you want to learn more about circles:

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7 0
2 years ago
Find an equation of the tangent line to the hyperbola y = 3/x at the point (3, 1).
Vesna [10]
Let's find the derivative of that hyperbola in order to find a slope formula to help us with this equation.  We already have an x and y value.  The derivative is found this way:  y'= \frac{x(0)-3(1)}{x^2} so  y'=- \frac{3}{x^2}.  The derivative supplies us with the slope formula we need to write the equation.  Sub in the x value of 3 to find what the slope is: y'=- \frac{3}{3^2}=- \frac{3}{9}=- \frac{1}{3}.  So in our slope-intercept equation, x = 3, y = 1, and m = -1/3.  Use these values to solve for b.  1=- \frac{1}{3}(3)+b  so b = 2.  The equation, then, for the line tangent to that hyperbola at that given point is y=- \frac{1}{3}x+2
6 0
3 years ago
NO LINKS <br> what is the answer??
Alex787 [66]

Answer:

5625 bald eagles

Step-by-step explanation:

Given

y = 312.5x + 1562.5

Required

Predict the numbers in 1998

First, we calculate the value of x

x = 1998 - 1985 ---- years since 1985

x = 13

So, we have:

y = 312.5x + 1562.5

y = 312.5*13 + 1562.5

y = 4062.5 + 1562.5

y = 5625

8 0
3 years ago
Simplify completely the quantity x squared plus x minus 12 over quantity x squared minus x minus 20 divided by the quantity 3 x
amm1812

Answer:

Answer: 4(x+1) over (x-5)

Step-by-step explanation:

4 0
3 years ago
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