Prove the two tangent line points (x1,y1) and (x2,y2) on circle (x-h)^2+(y-k)^2=r^2 drawn from point (m,n) satisfy equations r^2=(x1-h)(m-h)+(y1-k)(n-k) and r^2=(x2-h)(m-h)+(y2-k)(n-k)

any circle (x-h)2+(y-k)2=r2a point outside the circle (m,n),,,,that is (m-h)2+(n-k)2>r2has two lines through point tangent to the circle, on the circle,at points (x1 ,y1) and (x2,y2)show that... more

11/10/24

You grow 3 centimeters in 2 months. Represent the ratio relationship using a graph. At this rate, how much do you grow in 5 months?

You grow 3 cm in 2 months. Represent the ratio relationship by using a graph. At this rate, how much do you grow in five months?

Are you a student that struggles with feeling confident in the classroom?

My expertise is in reading and writing, but I find it extremely important to help students build their confidence in their own abilities. Yes, something can be particularly challenging for a... more

11/10/24

Continuity and Differentiability from a Real Analysis Standpoint

Let fa(x) = {xa if x > 0 {0 if x <= 0a) For which values of a is f continuous at 0?b) For which values of a is f differentiable at 0? Is the derivative function continuous? c)... more

11/10/24

please help. I have been stuck for hours. None of my answers are showing correct

In the year 1985, a house was valued at $108,000$108,000. By the year 2005, the value had appreciated to $149,000$149,000. What was the annual growth rate between 1985 and 2005? Assume that the... more

11/10/24

How do you balance chemical equations?

11/09/24

Need help understanding words I can help

I’m available if you want spend an hour with me or just a couple of minutes to get help on an assignments to understand words better

11/09/24

The Moles and The Avogadro Constant

Another large-scale industrial process is the production of quicklime (calcium oxide, CaO) from limestone by heating in a lime kiln. a. What is the equation for the thermal decomposition of... more

11/09/24

IGCSE Math Question

Find the volume of a cylinder of radius 5cm and height 8cm. Give the units of your answer. A ball falls d metres in t seconds. d is directly proportional to the square of t. The ball falls 44.1m... more

11/09/24

IGCSE Math question test

A train, 1750 metres long, is travelling at 55km/h. Calculate how long it will take for the whole train to completely cross a bridge that is 480 metres long. Give your answer in seconds, correct... more

11/09/24

Slope and angle at theta

telephone line hangs between two poles 8 meters apart in the shape of the catenary curve 𝑦 =10 cosh(𝑥/10) − 5, where x and y are measured in meters.A. Find the slope of this curve where it meets... more

The function f is defined as follows. f(x) = x^2 +2 If the graph of f is translated vertically upward by 6 units, it becomes the graph of a function h. Find the expression for h(x) h(x) = ?

The function f is defined as follows.f(x) = x^2 +2If the graph of f is translated vertically upward by 6 units, it becomes the graph of a function h.Find the expression for h(x)h(x) = ?Please help... more

11/08/24

How do I cancel a lesson?

Hi,I need to cancel a lesson scheduled for Monday afternoon. It is 3 days out. How do I cancel a lesson? I don't find an option for that.ThanksChhandomay

11/08/24

can't find online tutoring platform

Is there still an online teaching platform on WyzAnt? If so, I do not see it and would like to test it out before using with a student.

11/08/24

can't find online tutoring platform

Is there still an online teaching platform on WyzAnt? If so, I do not see it and would like to test it out before using with a student.

11/08/24

What is a number less than negative 75.

Find the manometer head to two decimal places.

Air is flowing through a circular tube with a changing cross-section as shown above. A water manometer is connected between sections 1 and 2. The rate of air flow is 170 l/s and the diameters are... more

11/08/24

Quadratic function help

Determine the quadratic function of the form f(x)=a(x−h)2+k with the points (2,8) and (0,-4)

11/08/24

Parabola help with x intercepts

write an equation of a parabola with x-intercepts at (1/5, 0) and (-3, 0) which passes through the point (0, 3).

11/08/24

How do I solve this problem for Math 108 Quantative Reasonsing

A student downloaded 4 music files to a portable music player. In how many different orders can the songs be played?

11/08/24

vertex form help

Write a quadratic function in the vertex form f(x)=a(x-h)2 +k such that the graph of the function opens down and has a vertex at (10,-2) and passes through point (9,-3)

11/07/24

Find the Length and width of a rectangle with a given area and minimum perimeter. Area = A square centimeters.

I'm not sure how to solve for length and width if it doesn't give me the area.This is a calculus problem, exercise 10 on page 216 of 7th edition calculus.

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