the radius of a circle is 18 in what is the area and circumference ​

Answers

Answer 1

Answer:

324 pi .  and 36 pi

Step-by-step explanation:

Area is pi r squared, so 18x18 is 324, times pi which is 324 pi

Circumference is 2 pi r, which is 2 times 18 which is 36, times pi which is 36 pi

:D


Related Questions

Hannah and Jayna have disposable cameras . The table and descriptions show the number of shots left on their cameras as a function of time.

Answers

Answer: Both functions have a negative rate of change.

Step-by-step explanation:

The numbers are decreasing. And I just got it right.

Answer: the answer is is both functions have a negative rate of change

Step-by-step explanation:

0.6+ 0.003+0.0008 as standard form

Answers

Answer:

0.6038

Step-by-step explanation:

0.6 + 0.003= 0.603 + 0.0008 = 0.6308

What’s the answer for y = -3x+3

Answers

Answer:

We need more info. We need to know what y equals or what x equals.

Step-by-step explanation:

Answer:

m = -3 For the Slope

3x+ y = 3 For Standard Form

Slope -3 | y - intercept (0,3)

Step-by-step explanation:

Can someone help me

Answers

Answer:

D.

Each line has the 3 dashes meaning equivalent

The answer to your question would be D!

solve for x. please i need help and please show your work


x/2≥−4

Answers

Answer:

x≥−8

Step-by-step explanation:

x/2≥−4

Multiply each side by 2

x/2 * 2≥−4*2

x≥−8

Straight line AB is perpendicular to the straight line joining p(-6,-9) and Q(3,-12). Find the gradient of AB

*i need help*π_π
*is the answer in the picture correct? *​

Answers

Yes the answer for it is -1/3

Ronald said that (8.0 × 107) + (6.2 × 103) = 14.2 x 1010. Amy added the numbers too and said the sum was 8.00062 × 107. Ronald then added the numbers a second time and came up with his original result. Whose solution is correct? Ronald is correct because 80,000,000 + 6,200 = 142,000,000,000.

Yes No B
Amy is correct because adding the decimals and then adding the exponents is not the correct procedure for adding numbers in scientific notation.

Yes No C
Amy is correct because 6.2 × 103 is a much smaller number than 8.0 × 107, so the sum of the two numbers cannot be as large as a decimal times 1010.

Yes No D
Ronald is correct because when you add the exponents in 107 and 103, you get 1010.

Yes No

Answers

Answer:

no, yes, yes, no

Step-by-step explanation:

Answer :

A)No

B)Yes

C)Yes

D)No

Explanation :

I took the test

A cellphone store has 120 cell phones in stock. Of these, 45 have keyboards. The manager of the store wants to add more cell phones with keyboards so that 40% of the stock has keyboards.

Answers

Answer:

5

Step-by-step explanation:

Let x be the number of cell phones with keyboards needed.

40% = [tex]\frac{40}{100}[/tex]

[tex]\frac{x+45}{x+120}[/tex] = [tex]\frac{40}{100}[/tex]

x+45 = 40 -----1

x+120 = 100 -----2

You would want to make the total of 1 the same as 2.

1×[tex]\frac{100}{40}[/tex]: 2.5+112.5 = 100 -----3

Now 2 and 3 are equal.

x+120 = 2.5x+112.5

Isolate the x and numbers.

120-112.5 = 2.5x-x

Simplify.

1.5x = 7.5

x = [tex]\frac{1}{1.5}[/tex] × 7.5

x = 5

The manager of the store needs to add 5 more cell phones with keyboards.

If ZMK APY, m M = 112 ° , m Y = 41 ° , m K = (13x 37) ° , and m A = (2y + 7) ° , find the values of x and y.


need a answer asap

Answers

Answer

13x-37=112

13x =149

X=11.4

2y+7=41

Y=24

The value of x and y respectively will be 13° and 17°.

Based on the equation that's given in the question, the value of x will be found thus:

13x - 37 = 112

Collect like terms

13x = 112 + 37

13x = 149

x = 149/13

x = 13

Also, note that 2y + 7 = 41, therefore, the value of y will be:

2y = 41 - 7

2y = 34

y = 34/2 = 17°

Therefore, the value of x and y respectively will be 13° and 17°.

Read related link on:

https://brainly.com/question/9402215

a circle has a circumfrence of 28.26units what is the diameter

Answers

Answer:

14.13 is your diameter..

Step-by-step explanation:

Hope this helps u.. ;)

express 20cm as a percentage of 3m.
give your answer as a mixed number

Answers

Answer:

[tex]6\frac{2}{3}[/tex] %

Step-by-step explanation:

First, convert 3 meters into centimeters.

1m = 100cm

3m = 100 × 3 = 300cm

Now, form the fraction by putting the given value, 20cm, over the total measurement, 300cm.

[tex]\frac{20}{300}[/tex] = [tex]\frac{2}{30}[/tex] = [tex]\frac{1}{15}[/tex]  ⇒ Simplify your fraction to its simplest terms.

Next, multiply your simplified fraction by 100 to get your percentage.

[tex]\frac{1}{15}[/tex] × [tex]100[/tex] = [tex]\frac{100}{15}[/tex] = [tex]6\frac{10}{15}[/tex] = [tex]6\frac{2}{3}[/tex] %   ⇒ Simplify your percentage to its simplest terms.

Hope this helped! I would really appreciate it if you would please mark me brainliest!

20cm as a percentage of 3m as a mixed fraction is 6  2/3 %

let's convert centimetre to metre

1 cm = 0.01 m

20 cm = ?

cross multiply

length in metre = 20 × 0.01 = 0.2 m

Therefore,

0.2 m as a percentage of 3m is as follows:

0.2 / 3 × 100 = 20 / 3 = 6  2 / 3 %

learn more: https://brainly.com/question/19540991?referrer=searchResults

4(2x - 1) = 3x + 6 Solve for x. Show steps with sentences supporting each step.

Answers

Answer:

x = 2

Step-by-step explanation:

4(2x - 1) = 3x + 6

Simplify

8x - 4 = 3x + 6

Subtract 3x from both sides

8x - 3x - 4 = 3x - 3x + 6

5x - 4 = 6

Add 4 to both sides

5x - 4 + 4 = 6 + 4

5x = 10

Divide both sides by 5

5x/5 = 10/5

x = 2

Step-by-step explanation:

4(2x - 1) = 3x + 6

8x-4=3x+6

8x-3x=6+4

5x=10

x=10/5=2

what is the value of angle e ?

Answers

Answer:

4 units pls mark me brainliest i really need it thanks

Step-by-step explanation:

Answer:

58

Step-by-step explanation:


WHAT IS THE SLOPE OF THE LINE THAT MODELS THIS SITUATION?

Answers

Answer:

-1/4

Step-by-step explanation:

M = y2-y1 / x2-x1

Hope this helps. Pls give brainliest.

A box is 10m long, 8m wide and 1.5m high. What is the quantity of liquid needed to fill the box?​

Answers

Answer:

120

Step-by-step explanation:

10 times 8 times 1.5 equals 120

Which problems will have two decimal places in the product? Mark all that apply.
Group of answer choices

3 × 0.65

4.8 × 2

8.1 × 10

6.1 × 7.3

7.22 × 100

Answers

Answer:

48. x 2

Step-by-step explanation:

4.8 x 2

what is 0.46 as a fraction?

Answers

Answer: 46/100 or in its simplest form it would be 23/50

Step-by-step explanation:

Answer:

46/100

Step-by-step explanation:

It's just how you say the number.   forty six hundredths right,

Pls mark Brainliest

45 miles per hour What is its rate in feet per second?

Answers

1 mile = 5,280 feet.

45 miles x 5,280 feet = 237,600 total feet.

1 hour = 3600 seconds

237,600/3600 = 66 feet per second.

Answer:

66 feet per second...I think

Step-by-step explanation:

PLEASE HELP I AM VERY CONFUSED

Answers

Answer:

4(x+3)=2(4x+8+2x+3)

4x+12=8x+16+4x+6

-8x=10

x=-5/4

x+3=7/4

Which graph represents the polynomial function h(x) = x3 + 2x2 – 11x – 12?
y

Answers

Answer:

I attached a pic of the answer. I just did the quiz. Hope this helps!!!

Step-by-step explanation:

The graph of the polynomial function h(x) = x³ + 2x² - 11x -12 has been shown.

Given that,
To determine the graph of the polynomial function h(x) =  x³ + 2x² - 11x -12.

What is the graph?

The graph is a demonstration of curves that gives the relationship between the x and y-axis.

Here,
The graph of the function h(x) = x³ + 2x² - 11x -12 can be drawn as the function is a polynomial of degree 3 so it will follow two ups  and down,
So the graph can be drawn as shown in the image.

Thus, the graph of the polynomial function h(x) = x³ + 2x² - 11x -12 has been shown.

Learn more about graphs here:

brainly.com/question/16608196

#SPJ5


Write an equation to represent the following statement. j is 25 more than 3 Solve for j​

Answers

Answer:

j=3+25, here's the equation

Step-by-step explanation:

J=28

Answer:

j = 28

Step-by-step explanation:

Since we know that j is 25 more than 3, then we must know that 3+25= J (because J is 25 more/+ than 3) So, we simply solve 25+3 which equals 28.

Give the multiples of each number. Then find their Least Common Multiple,
1. 3 12
LCM =
2. 4 9
LCM-
3. 8 12
LCM = 24
4. 12 15
LCM =
5. 8 5​

Answers

1. 12
2. 36
3. 24
4. 16
5. 40

Solve 2x>8 or 2x<4
Please hurry

Answers

Answer: x>4 and then x<2

Step-by-step explanation: divide by 2 on both sides

Answer:

x = 5

Step-by-step explanation:

2 * 5 = 10 which is greater than 8

10 > 8

Find the slope of the line that passes through (6,7) and (10,10)​

Answers

Answer:

3/4 or 0.75

Step-by-step explanation:

M=y2-y1/x2-x1

Answer:

4/3

Step-by-step explanation:

Use the formula

x2-x1 over y2-y1

since it goes by (x,y) label the given points

(6,7) and (10,10)​

6 is your first x (x1)

7 is you first y (y1)

onto the next point...(10,10)

10 would be your second x (x2)

and your second y would also be 10 (y2)

Now plug into formula x2-x1 over y2-y1

10-6 over 10-7= 4/3

-----------------------

You could also use a online graphing calculator!

6. Elena and Jada are 24 miles apart on a path when they start moving
toward each other. Elena runs at a constant speed of 5 miles per hour, and
Jada walks at a constant speed of 3 miles per hour. How long does it take
until Elena and Jada meet?

Answers

Answer:

15

Step-by-step explanation:

3 hours is the answer to your question

Victor bought 3 baseballs at the sports supply store if each beseball cost $1.50 and he paid with a twenty dollar bill how much change should he get back

Answers

Answer:

$15.50

Step-by-step explanation:

20-1.50x3=20-4.50=15.50

why should we not lower taxes for the wealthy americnas

Answers

Answer: no

Step-by-step explanation:

Paul bought 4 soccer balls at the sports supply store if each soccer ball cost $1.05 and he paid with a twenty dollar bill how much change should he get back

Answers

Answer:

Step-by-step explanation:

1soccer=$1.05

4soccer=4*1.05=4.2

20-4.2=$15.8

he will get $15.8

Answer:

15.8

Step-by-step explanation:

1.05×4=4.2

20-4.2=15.8

Hmmmmmmmmmmmmmmmmmmmmmmmmm?

Answers

Answer:

a

Step-by-step explanation:

its an exponential function! when you plug it into the calculator it curves

It’s A it’s easier if you use a Calculator

Kinda stuck on this last question

Answers

Answer:

it's c

y < x

y < 2

Step-by-step explanation:

Hope this helps have a nice day!!!

:)

I’m pretty sure it’s it’s C
I hope this helps!!
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