Mathematics High School


Find the circumference of a circle with a diameter of 20 centimeters. Round your answer to the nearest centimeter.
6 centimeters
126 centimeters
31 centimeters
0 63 centimeters

Find The Circumference Of A Circle With A Diameter Of 20 Centimeters. Round Your Answer To The Nearest

Answers

Answer 1

Answer:

63 centimeters

Step-by-step explanation:

What we know:

A cricle has a diameter of 20 cm.

To find circumference, use πd or 2πr.

3.14(10 * 2)

3.14(20)

62.8 cm, which rounds to 63 cm.

Related Questions

PLEASE HELP ASAP!!!!!!!!!!

Answers

Answer: -15 if I am wrong then -35

Answer:

-15

Step-by-step explanation:

-15 .hwushshshsjwo

Janet buys a pair of shoes for 50% off the original price of $80. What is the sale price of the shoes?

Answers

Answer:

$40

Step-by-step explanation:

Answer:

$40

Step-by-step explanation:

80 divided by 2 = 40 50 %

can someone please help me find out what LN and KN is

Answers

Answer:

LN= 3,9

KN=-2,9

Step-by-step explanation:

its that answer because on the number lime L is 3 and N is 9 and K is -2

1. Write an equation that shows 45% of c is 144. ​

Answers

Answer:0.45c=144

Step-by-step explanation:

45%= 0.45

0.45*c=144

12- [3 - (13) * 2]
I need work shown

Answers

Answer:

35

Step-by-step explanation:

Answer:

12−(3−(13)(2))

=12−(3−26)

=12−(−23)

=35

Step-by-step explanation:

Slope of (9,4) and (7,10)

Answers

Answer: The slope of those two points would be -3

I hope this helps, and Happy Holidays! :)

Answer:

-3 ..?

Step-by-step explanation:

5^2 + [15-4(3 1/5)] -15.4
And you have to show your work Bc the dang teacher is strict

Answers

Answer:

I think the answer is 11.8

Step-by-step explanation:

25+ [ 15- 4 x 16/5] - 15.4

25 +[ 15- 4/1 x 16/5] - 15.4

25+ [ 15 - 20/5 x 16/5] - 15.4

25 +[ 15 -  64/5] - 15.4

25+ [ 15/1 - 64/5] - 15.4

25+ [75/5 - 64/5] - 15.4

25+ 11/5 - 15.4

25+ 2.2 - 15.4

27.2 - 15.4

11.8

I NEED HELPPP!
7th gradeee

Answers

Answer:

- 2/3

-2/3

2/-3

Step-by-step explanation:

On a coordinate plane, 2 lines intersect at (0, 1).
By observation, what is the solution to this system?
(–1, 0)
(1, 0)
(0, 1)
(0, –1)

Answers

Answer:

(0,1)

Step-by-step explanation:

i just did it

Answer:

(0,1) ur welcome!!

Step-by-step explanation:

8. Syairra needs to take an Uber to get to
the airport. The Uber charges $5.00 for
the first mile, and then $3.00 for each mile
after that. If the total charge is $62.00,
then how far was Syairra's taxi ride to the
airport?

Answers

you would do “62=3x+5”

subtract 5 from both sides to get 57=3x
divide both sides by 3 to get 19.

the answer is 19 miles

Answer: 20 miles

Step-by-step explanation:

Since the Uber charges $5.00 for the first mile you have to subtract that from the total which is 62.

62.00 - 5.00 = 57.00

Then you keep subtracting 3.00 from 57.00 or you can divide 57 by 3 because 57 is how much money is left and the Uber charges 3 dollars for each mile after the first.

57.00 divided by 3.00 is 19

Then add 1 to 19 which equals 20 miles. You add 1 to 19 because 19 is the amount of miles she goes but that doesn’t include the 1st mile.

Sorry if this is confusing

I'd love some help with this, and I'll mark brainliest! :))

Answers

Answer:

He will work out for a total of 2,835 min or 47.25 hours

He will not meet his minimum workout time for the18 week period

Step-by-step explanation:

The pattern is tat he adds 15 min each week to his work out regime:  

Wk1: 30min       Wk11:180min

Wk2: 45 min      Wk12: 195in

Wk 3: 60 min      Wk 13:210min

WK4: 75min         Wk 14: 225 min

Wk5 90 min         Wk15: 240min

Wk6: 105 min        Wk16: 255 min

Wk7; 120min         Wk17: 270min

Wk8: 135min         Wk 18: 285min    For a total of 2,835 min and divide by

                                      60 to get the number of hours= 47.25 hours

Wk9: 150min

Wk 10: 165 min

which is an example of the electromagnetic force​

Answers

Answer:

Light

explanation:

All light are waves in the electromagnetic field, from gamma rays, though x-rays,

Answer 2:

I'd say the second most common example would be molecules as they all rely on electromagnetism to bind the atoms to each other.

Answer: All of the light from the Sun and other sources consists of photons which are the electromagnetic force carriers.

electrostatic forces and magnetic forces.

Step-by-step explanation:

PLEASEEE ANSWERR
Which steps show how to use the distributive property to evaluate 7 · 88?
A. 7(88)=7(90 - 2) = 7.90-2 +630 – 2 = 628
B. 7(88)= 7(90 - 2) = 7.90-7.2 = 630 – 14 = 616
C. 7(88)=7(90 - 2) = 7.90 +7.2 = 630 + 14 = 644
D.7(88)=7(90 - 2)=7.90 - 90.2 = 630 – 180 = 450

Answers

Answer:

b

Step-by-step explanation:

B because no other make sense

The product of a number b and -1.6 is less than -9.6.

Answers

Answer:

I don't have Idea

Please help! Will mark brainliest!
This is for my culinary arts class
2. Imagine that you have been hired on a trial basis in one of the most prestigious restaurants in Los
Angeles. One of the chefs tells you that the best way to get hired is by employing initiative and
following directions and procedures independently. Describe possible ways that you could
demonstrate these qualities during your trial basis in order to get hired permanently.

Answers

Answer:

one could take feedback and instruction quickly and with ease. You should be able to hold energy and continue to give your all to the trail. You should be able to work with others, but not depend on them.

If I can read 54 pgs in 3 days, how many can I read in 1 day?






7 notebooks cost $21. How much for 5 notebooks?

Answers

Answer:

18 pages

$15

Step-by-step explanation:

54/3= 18

21/7= 3

3*5=15

Answer:

105

Step-by-step explanation:

At a pizza eating competition, Davonne at two more than twice as many slices as the runner-up. If Davonne at 11 slices, then how many slices did the runner-up eat?

Answers

Answer:the runner up ate 3.5 slices

Step-by-step explanation:

plz help i’ll mark brainliest for correct answer

Answers

Answer:B

Step-by-step explanation:

Given A is between Y and Z and YA = 11.5, AZ = 4x - 6 and YZ = 83.5, find AZ.
(Drawing a line may help you work the problem).

Answers

Answer:

kk

Step-by-step explanation:

kk

5/3y=-(x-5) in slope intercept form

Answers

Y=mx+b
y=-3/5x+3

I hope this helps!

Required slope intercept form is [tex]y = - \frac{3}{5} x + 3[/tex]

What is slope ?

The slope of a line is a measure of the steepness and direction of the line. Finding the slope of lines in a coordinate plane can help predict whether the lines are parallel, perpendicular, or missing without using a compass.

The slope of any straight line can be calculated using two points on the line. The slope of the line formula calculates the ratio of "vertical change" to "horizontal change" between two different points on the line. In this article we will understand the slope finding method and its applications.

The slope of a line is defined as the change in the y-coordinate relative to the change in the x-coordinate of that line. The net change in the y-coordinate is Δy, while the net change in the x-coordinate is Δx. Thus, the change in the y-coordinate with respect to the change in the x-coordinate can be written as: m = Δy/Δx

Here given,Equation of line [tex] \frac{5}{3}y = - (x - 5)[/tex]

We want to find what is 5/3y=-(x-5) in slope intercept form ?

We want to simplify the equation.

[tex]5y = - 3(x - 5) \\ 5y = - 3x + 15 \\ y = \frac{ - 3x + 15}{5} \\ y = - \frac{3}{5} x + \frac{15}{5} \\ y = - \frac{3}{5} x + 3....(1)[/tex]

We know slope in line y = mx+c is m.

We are comparing equation (1) with y = mx + c and get [tex]m = - \frac{3}{5} [/tex]

Equation (1) is slope intercept form of 5/3y=-(x-5).

Therefore,required slope intercept form is [tex]y = - \frac{3}{5} x + 3[/tex]

Slope related one more question:

https://brainly.com/question/3605446

#SPJ2

please it’s an emergency

Answers

Answer: C

Step-by-step explanation:

Okay first set a comparison since the two triangles are similar

x-1/20=x-1+27/3x+8

x-1/20 = x+26/3x+8

cross multiply

20x+520=3x^2+8x-3x-8

3x^2-15x-528=0

3(x^2-5x-176)=0

im kinda lazy to factor this out so i used an online calculator right here but factor it out like a good kid

x=16, x=-11

it has to be positive so x=16

C

The perimeter of the base of a square pyramid is 16 feet and it stands 20 ft tall. Calculate the volume.​

Answers

Answer: [tex]1706.67 feet[/tex]

Step-by-step explanation:

Formula: Volume = [tex]\frac{1}{3} \alpha^{2}h[/tex]

a is the length of the base's edge and h is the height. Since 16 is the length we would square it as it is the length, then we would multiply it by the height which is 20 ft.

Steps: Multiply

Volume = [tex]\frac{1}{3} \alpha^{2}h[/tex]

= [tex]\frac{1}{3} * 16^{2} * 20[/tex]

= [tex]1706.67 feet[/tex]

~I hope I helped you :)~

1-4x/2x+1=4/1-5x
solve in quadratic equations​

Answers

Answer:

I can only assume that the entire 1-4x is divided by 2x, and 4 by all of 1 - 5x.  You can guarantee more accurate results by using brackets where appropriate.  If I read that expression with the correct notation, it reads as [tex]1 - \frac{4x}{2x} + 1 = \frac{4}{1} - 5x[/tex].

Assuming instead that it's meant as [tex]\frac{1 - 4x}{2x + 1} = \frac{4}{1 - 5x}[/tex], we can solve it as shown below, giving us x values of 1 and 3/20 (or 0.15).

Step-by-step explanation:

First let's reformat this to the usual ax² + bx + c format:

[tex]\frac{1 - 4x}{2x + 1} = \frac{4}{1 - 5x}\\(1 - 4x)(1 - 5x) = 4(2x + 1)\\1 - 5x - 4x + 20x^2 = 8x + 4\\20x^2 - 5x - 4x - 8x + 1 - 4 = 0\\20x^2 - 17x - 3 = 0[/tex]

Let's solve it with the quadratic formula:

[tex]x = \frac{-b \pm \sqrt{b^2 - 4ac} }{2a}\\\\x = \frac{17 \pm \sqrt{-17^2 - 4\times 20 \times( -3)} }{2\times20}\\\\x = \frac{17 \pm \sqrt{289 + 240} }{40}\\\\x = \frac{17 \pm 23 }{40}\\\\x = 1, \frac{3}{20}[/tex]

(x+1)^2-(x-8)^2
please help

Answers

simply each term

x^2+2x+1-x^2+16x-64

simply by adding terms

18x - 63

Can I PLEASE GET SOME HELP FROM SOMEBODY ANYBODY for these questions 26,43,44,45 PLEASE ​

Answers

Answer:

sure

Step-by-step explanation:

I would love some help here

Answers

Answer:

first

Step-by-step explanation:

The price of a Nintendo Switch was on sale on Black Friday for $250, the original price was $300. What percent was it marked down?

A. 20%
B. 25%
C. 50%
D. None of the above.​

Answers

Answer:

A

Step-by-step explanation:

Answer:

none of the above

Step-by-step explanation:

plz mark as brainliest

Karen is planting a garden as shown she wrote the expression r(5+4) find the area of her garden which expression is equal to Karen’s expression?

Answers

Answer:

5r + 4r

Step-by-step explanation:

I think that's what it is

Please help 10 pts given

Answers

Answer:

6.50 per mile

Step-by-step explanation:

Which point represents the ordered pair (-2 1/4, 2/3)?
A. Point Q
B. Point R
C. Point S
D. Point T

Answers

Answer: c. Point S

Step-by-step explanation:

Answer:point s

Step-by-step explanation:

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