Point B is a point of tangency. Find the radius r of OC.

Point B Is A Point Of Tangency. Find The Radius R Of OC.

Answers

Answer 1

Answer:

r = 16 units

Step-by-step explanation:

From the figure attached,

AB is the tangent drawn from a point A to the circle C.

BC = r [Radius of the circle]

Length of AC = (18 + r)

AB = 30

By the property of a tangent drawn to a circle,

"Radius of a circle and tangent are perpendicular to each other"

AB ⊥ BC

By applying Pythagoras theorem in ΔABC,

AB² + BC² = AC²

(30)² + r² = (r + 18)²

900 + r² = r² + 36r + 324

36r = 900 - 324

r = [tex]\frac{576}{36}[/tex]

r = 16 units


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I DON'T
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SUFFER FROM simple interest formula, you must first convert it to a
INSANITY.
I ENJOY
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I a) fraction
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The formula for simple interest is (SI)= PxTxR/100
So you need to turn the percentage into a fraction so you have the rate as r/100

Fill in the blanks with the correct words:
An event that has probability O is said to be
An event that has probability 1 is said to be

Answers

Answer:

Impossible; certain to happen

Step-by-step explanation:

Probability = 0 applies to an event which cannot happen.  Example: roll a die and get a 7.

Probability = 1 applies to an even which is certain to occur.  Example: roll a die and get a number less than 8.

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Answers

answer
upload at picture, cause i don’t see anything

step by step.

Could somebody please help with this? I don't quite understand it. Due by the end of today.

Answers

You can use math-way for this :)

The sum of two circles is 80 pi square meters. Find the length of the radius if one of them is twice as long as the other

Answers

Answer:

Length of Radius of large circle= 8

Lenght radius of first circle= 2

Step-by-step explanation:

THIS IS THE COMPLETE QUESTION

The sum of the areas of two circles is 80π square meters. Find the length of a radius of each circle if one of them is twice as long as the other.

What is the radius of the larger circle?

Area of a circle can be calculated by Below formula

A = πr^2............eqn(1)

Let ( X) = area of first circle

Y= the area of second circle

Rx= radius of first circle

Ry = radius of second circle

From the question, we know that

[X+ Y] = 80π .......eqn(2)

Substitute the radius formula for the area,

[π(Rx)^2 + π (Ry)^2] = 80π ......eqn(3)

But from the question, Radius of second circle is twice of the second one, then

Ry = 2Rx ..........eqn(4)

If we substitute eqn (4) into eqn(3)

[ π(Rx)^2 + π (2Rx)^2 = 80π

If factorize π out, then cancel it out

π[(Rx)^2 + π (2Rx)^2 = 80π

Then we have

(Rx)^2 + 4(Rx)^2 = 80

5(Rx)^2 = 80

(Rx)^2= 80/5

(Rx)^2= 16

(Rx)= 4

From eqn(4)

Ry = 2Rx

Ry= 2(4)

Ry= 8

Rx= 2 and Ry= 8

Hence, radius of first circle= 2

Lenght Radius of second circle= 8

PLEASE HELP LAST ONE

Answers

Answer:

H=22.5 in

The answer is A

Step-by-step explanation:

Sin(60)=h/26 where h is the height we are interested in

Multiply both side by 26

26*Sin(60) = H

H=22.5 in

the answer is A

OMG, PLEASE JUST HELP, AND LOOK AT THE CHART BEFORE YOU ANSWER!!

Answers

Answer:

stop

Step-by-step explanation:

stop using this app, the chances of you actually getting a helpful response or even one at all are so slim, just pay an actual tutor at this point

Answer:

Step-by-step explanation:

A = 1,0

B = 0,-3

C = -6,5

D = -3,-5

E = -1, 4

please help me with this math problem, the question is on the picture that i attached, ill mark brainliest if the answer is correct. NO links!

Answers

Answer:

do u have insta

Step-by-step explanation:

Please answer.

No links, no fake answers please

Answers

Answer:

The length of the side DE is approximately 541.3 feet long.

Step-by-step explanation:

There is a trigonometry law called the law of sines, which states the sine of an angle divided by its opposite side is equivalent to the sine of all the other angles in that right triangle divided by its corresponding opposite side. You can use this law to help you solve for x. By applying the law of sines, you'll get that [tex]\frac{sin(90^{o})}{x} =\frac{sin(10^{o})}{94}[/tex] ⇒ [tex]\frac{x}{sin(90^{o})} =\frac{94}{sin(10^{o})}[/tex] ⇒ [tex]x = \frac{94*sin(90^{o})}{sin(10^o)}[/tex] ⇒ [tex]x=541.3ft.[/tex]

PLEASE HELP with question 2! BRAINLIEST to correct answer!! NO LINKS AS ANSWERS, or you will be REPORTED!!!

Answers

get x = 128 is not a step

PLEASE HELP, I NEED THIS OR I WILL FAIL MY CLASS PLZZZZ.
30 POINTS AND BRANNIEST
( PLEASE SHOW WORK OR I MIGHT NOT GIVE BRAINIEST )

Answers

Answer:

3

Step-by-step explanation:

i dont know how to show the work i did it in my head

Which expression is equivalent to 10(f + 6e)?

a. 2(5f - 3e)
b. f(10 + 6e)
c. 2(5f + 3e)
d. 10(f + 6e)

Answers

Answer:

D. 10(f + 6e)

Step-by-step explanation:

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What two numbers have a product of -40 and a sum of -3?

Answers

-8 and 5: -8 x 5 = -40; -8 + 5 = -3

I need help with math, I don't understand any of this type of stuff.

Answers

Answer:

option number three goes to square, option number two goes to trapezoid and las third option goes to rectangle.

Step-by-step explanation:

Solve Using the Quadratic Formula x2+2x - 40 = -8 -2x​

Answers

Answer:

x = 4, x= -8

Step-by-step explanation:

In the figure below, angle y and angle x form vertical angles. Angle y forms a straight line with the 60° angle and the 70° angle.


Write and solve an equation to determine the measure of angle x.

Answers

Answer:

X =50                  Y is also 50 since they are vertical angles

Step-by-step explanation:

70+ 60 + X = 180  (the 3 angles form a straigh line = 180 )

130 +X =180

X = 180-130

X=50

Find the surface area of the pyramid. The side lengths of the base are equal. Square pyramid with base edge of 12 centimeters, and a slant height measuring 17 centimeters, on a triangular face. The surface area is square centimeters.

Answers

Answer:

the surface area of the square pyramid is 576.66 cm^2

Step-by-step explanation:

The computation of the surface area of square pyramid is given below:

A = a^2  + 2a × √a^2 ÷ √4 + √h^2

where

a = 12 cm

h = 17 cm

Now put the value of a and h in the above formula

= 12^2 + 2(12) × √12^2 ÷ √4 + √17^2

= 576.66 cm^2

hence, the surface area of the square pyramid is 576.66 cm^2

Answer:

I don't know I just want to get points

Step-by-step explanation:

       

if the vertex of a parabola is (0, -4), what is the axis of symmetry?

Answers

0 the axis of symmetry is always the x in the vertex

If the vertex of a parabola is (0, -4). The equation of the axis of symmetry for this parabola is x = 0.

How to convert the given equation to vertex form?

We first take out the coefficient of x squared, and then inside the bracket, we try to make a perfect square-like situation.

For parabolas, its axis of symmetry always goes through the vertex of the parabola.

In other words, the axis of symmetry is a vertical line that goes through the x-coordinate of the vertex.

Now, if the vertex of a parabola is (0, -4) which is at x = 0, y = -4.

Thus, the vertical line that goes through the coordinate of the vertex would be x = 0

Thus, the equation of the axis of symmetry for this parabola is x = 0.

Learn more about the vertex form of a quadratic equation here:

https://brainly.com/question/9912128

#SPJ2

Can someone please help me

Answers

5n + 2 = 22

- 2 - 2

___________

5 n = 20

÷ 5 ÷ 5

___________

n = 4

what is 3040-17+6987x987654

Reat me 1-10

Answers

Answer:

6900741521

u cool

i guess

imma guy so...imma say u look 6/10

Step-by-step explanation:

please help me, eshay lad

Answers

Answer:

122.5 cm²

Step-by-step explanation:

Area of this trapezium:

1/2 × 35 × 7

= 245/2 = 122.5 cm²

Answer:

122.5

Step-by-step explanation:

(a+b)h/ 2 = (21+14 )7/2= 35 x 7 / 2 = 122.5

I hope im rght! i

PLEASE HELP ASAP NEED ANSWER VERY QUICK!!

Answers

Answer:

Translation

Step-by-step explanation:

Not completely sure.

Can I have Brainliest?

Answer:

Translation

Step-by-step explanation:

The square is just moved to another side, its not rotted or reflected (if it were reflection it would be in the -x side)

does the graph below represent y as alinear function of x. yes or no​

Answers

9514 1404 393

Answer:

  No

Step-by-step explanation:

The graph is not a straight line with define slope, so does not represent a linear function.

__

The graph has segments that are straight lines. It is what we call "piecewise linear."

Ashley walks One-third of a mile each day. After 10 days, how many miles has she walked?

Answers

Answer:

3 Miles

Step-by-step explanation:

Answer:

10/3 = 3 1/3

Step-by-step explanation:

According to the information given in the word problem, she walks one-third of a mile each day.

1/3 x 10/1 = 10/3

10/3 = 3 1/3 (simplified).

DOES ANYONE KNOW WHAT HAPPENS IF YOU CLICK THE LINKS?

Answers

Answer:

Your personal information is stolen. Stay away from them under all circumstances.

A mortgage has the terms shown below:
Balloon mortgage
$300,000
25/5 balloon
6% annual rate
Initial Monthly Payment: $1932.90
What is the amount of the balloon payment rounded to the nearest dollar?

Answers

It is 2957272949283 rounded to the neared tenth of the number you out into the question

32^0 is equivalent to _____.​

Answers

Answer:

1

Step-by-step explanation:

32^0 is equivalent to 1

Answer:

1

Step-by-step explanation:

everything to the power of 0 is equivalent to 1 so 32^0 = 1

write 0.0501 in scientific notation

Answers

Answer:

5.01 x 10^-2

Step-by-step explanation:

Move the decimal two times to the right so it becomes 5.01 and since you moved the decimal to the right the exponent will be negative.

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Shane wants to create a patio that is a parallelogram What is the m angle DAB of to ensure the patio is a parallelogram ?

Answers

It is B) 100 degrees.
It might be to late now but I THINK it’s b

The ages in years, of a group of friends are listed.

29, 33, 35, 49, 50, 51, 52, 29

Find the following (all answers are whole numbers):

Mean:

Median:

Mode:

Range:

Which measure best represents the data? (Write mean, median, mode, or range using lowercase letters and make sure it is spelled correctly)

Answers

Answer:

Mean: 29

Median: 42

Mode: 29

Range: 23

Step-by-step explanation:

brainlest plzzz

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