What is circumference if diameter is 14 feet

Answers

Answer 1

Answer: The circumference is the amount of length around the circle the diameter is the distance across the middle of the circle, first off you need the formulas which are to find the circumference of a circle use the formula C=2 * (pi) * r to find the diameter use the formula D=2 * (pi) and remember that the radius of a circle is the distance from the perimeter of the circle to the center of the circle (half the diameter) so half of 14 equals 7,so in close C= 2 * 3.14 * 7 = 43.96. Enjoy!=)

Answer 2

Answer: The circumference of a circle if a diameter is 14 feet is: 43.96

BECAUSE:
The formula to solve circumference is:
3.14 (pi) × diameter = circumference

Plug in diameter with 14:
3.14 × 14 = 43.96

Hope this helps!

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Kali trains for a race by running around a track. Each lap around the track is 400 METERS. She runs 4 KILOMETERS each day. How many laps around the track does Kali run in 3 days?

Answers

First step, is to work out how many laps she runs in 1 day.
To do this, we divide what she runs in one day, by the length of one lap
4km / 400m
TO make this easier, we change to units of one number to make them both the same
We will turn them both into meters
4km = 4000m (1km is equal to 1000m, therefore we multiply by 1000)

4000/400 = 10 laps per day

Now we want to find out how many laps are completed in 3 days
If 1 day is equal to 10 laps and we want 3 days, we multiply 10 laps by 3 days
10 x 3 = 30 laps

Kali runs 30 laps in 3 days

30 laps each day.................................

The endpoints of the diameter of a circle are (-7,3) and (5,1) . What is the center of the circle

Answers

Answer:

The center is the point $(-1,2)$

Step-by-step explanation:

we know that

The center of the circle is equal to the midpoint of the endpoints of the diameter

The formula to calculate the midpoint between two points is equal to

$M((x1+x2)/(2),(y1+y2)/(2))$

substitute the values

$M((-7+5)/(2),(3+1)/(2))$

$M((-2)/(2),(4)/(2))$

$M(-1,2)$

therefore

The center is the point $(-1,2)$

What’s the answer and how do I do it

Answers

Answer:

30.6%

Step-by-step explanation:

10.75/15.5 = x/100

0.69354838709 x 100 = x = 69.3548387097

100% - 69.3548387097% = 30.6451612903% discount

The scatter plot below represents the change in global sea level from 1993-2017, according to the National Aeronautics and Space Administration (NASA) The equation of the regression line is written below, where Y represents the predicted change in sea level and t represents the years since 1993.
y = 0 + 3.2t

Part a:
Identify the y-intercept of the regression line and explain what it represents in the context of the data.

Answers

Answer:

The y-intercept is zero and it means that in the year 1993 there was no change in the seawater level.

Step-by-step explanation:

See the scatter plot graph attached.

It represents the change in global sea level from 1993-2017, according to the National Aeronautics and Space Administration (NASA).

The equation of the regression line is written below, where Y represents the predicted change in sea level in mm and t represents the years since 1993.

y = 0 + 3.2t .............. (1)

Therefore, the equation is in the slope-intercept form and the y-intercept is zero for this graph.

That means in the year 1993 there was no change in the seawater level. (Answer)

Sherri pays $4.50 for trading cards. What is the cost of each card?

Answers

how many cards are there, can't figure out the answer without knowing how may cards there are

Which of the following equations could you solve by first adding six and then dividing by negative three? 3x - 6 = -9 6 - 3x = -9 -3x - 6 = -9 + 6 = -9