MATHEMATICS HIGH SCHOOL

A circle has a diameter of 4 meters.
What is its perimeter (to the nearest hundredth)?

Answers

Answer 1

Answer:

Answer:

Perimeter of circle = 12.57 meter.

Step-by-step explanation:

Given : A circle has a diameter of 4 meters.

To find : What is its perimeter (to the nearest hundredth).

Solution : We have given that diameter = 4 meters.

Perimeter of circle = pi * diameter.

Perimeter of circle = 3.14 * 4.

Perimeter of circle = 12.566

Perimeter of circle = 12.57 meter.

Therefore, Perimeter of circle = 12.57 meter.

Answer 2

Answer:
When the shape is a circle, its perimeter is called the
"circumference" of the circle.

The circumference of a circle is always (pi) times its
diameter.

(pi) is roughly 3.1416 . So if the diameter is 4 meters,
then the circumference is

12.5664... meters .

Rounded to the nearest hundredth, that's 12.57 meters.

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The function below models the correlation between the number of hours a plant is kept in sunlight (x) and the height (y), in mm, to which it grows:y = 4 + 2x
What does the y-intercept of this function represent?
The original height of the plant was 4 mm.
The original height of the plant was 2 mm.
The height of the plant increases by 2 mm for every hour of sunlight it receives.
The height of the plant increases by 4 mm for every hour of sunlight it receives.

Answers

Remember that the y-intercept is obtained when the value of x is set to zero. This means that the y-intercept is the value of the height without sunlight yet. This also refers to the original height of the plant. This gives:

y = 4 + 2(0) = 4

So, the original height of the plant is 4 mm.

The formula also indicates that when sunlight is present, a height of 2mm is increased every hour of sunlight exposure.

Answer:The original height of the plant was 4 mm.

Step-by-step explanation:

To convert from square miles to square feet,what operation will you use

Answers

The correct one is multiplication.

-- Take the number of square miles.

-- Multiply it by the fraction (5,280 feet / 1 mile)² .

-- After canceling things where possible, simplifying, and
cleaning up the product, what you have is the same area
expressed in square feet.

Multiplication because to convert from a larger unit, miles, to a smaller unit, feet, you multiply the number of miles by the number of feet in a mile to get the total number of feet.

Please answer correctly !!!!!!!! Will mark brianliest !!!!!!!!!!!

Answers

Answer:

x=6

Step-by-step explanation:

h(x) = -( x-2)^2 +16

We want when h(x) = 0

0 = -( x-2)^2 +16

Subtract 16 from each side

-16 = -( x-2)^2 +16-16

-16 = -( x-2)^2

Divide by -1

16= ( x-2)^2

Take the square root of each side

±sqrt(16) = sqrt(( x-2)^2 )

±4 = x-2

Add 2 to each sdie

2 ±4 = x-2+2

2+4 = x 2-4 =x

6 =x -2 =x

since time cannot be negative

x=6

A radio station gave away 108 tickets to a concert. They gave away 3 times as many tickets to listeners as they gave to employees. How many tickets did they give away to employees?

Answers

x=employees
(3)x=listeners

(3)x+x=108
3x+x=108
4x=108
X=108/4
X=27

Nine times a number is three thousand six hundred what is the number?

Answers

The way this should be set up is:

9a = 3600...

So you must divide '9' on both sides, canceling out the '9', and making the 3600 to be '400'..

So the problem should look like: a = 400 <--- (Answer)

Hope it helped.. :)

=>Let the number be a ...=>Nine times the number: 9a ...=>Nine time a no. Is 3600 : 9a = 3600...=>9a = 3600=>a = 3600/9=>a= 400..=>So the number is 400..Hope It helps!!

A pronghorn antelope can travel 105 miles in 3 hours. If it continued traveling at the same speed, how far could a pronghorn travel in 11 hours