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EleoNora [17]
3 years ago
6

Find the circumference of a circle whose area is 452.16 square meters. (Use 3.1416 as the value of π.) A. 12 meters B. 37.6992 m

eters C. 24 meters D. 75.3984 meters
Mathematics
2 answers:
Korvikt [17]3 years ago
3 0
D. Ask me if you have any questions
Murrr4er [49]3 years ago
3 0
452.16=3.1416rsquared
rsquared=453.16divided by 3.1416
rsquared=144.24
r=12.01

C=3.1416xDiameter
C=3.1416x24.02=75.46m
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A team of runners ran a relay race. Each runner ran 7 1/2 kilometers. The total length of the race was 45 kilometers. Write and
Travka [436]

Answer:

6 runners

Step-by-step explanation:

Each runner ran 7.5 km.  If there were n runners, then (7.5 km)n = 45 km.

Solve this for n by dividing 7.5 km into 45 km:

n = 6

There were 6 runners.

7 0
3 years ago
Mrs. Smith paid $6.60 for a dozen donuts. What is the cost per donut in dollars and cents?​
Mekhanik [1.2K]

Answer:

$1.81

Step-by-step explanation:

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8 0
4 years ago
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Okay have reposted it.
Delvig [45]

Answer:

13

Step-by-step explanation:

6 0
3 years ago
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Help quickly please!!!
sineoko [7]

Answer:

M= -2

B=1

Step-by-step explanation:

<u><em>Y-intercept</em></u><em> is the point where the line crosses through the y line, so you can clearly see that that point is (0,1) we only write the y value because for a y intercept the x value will always be zero</em>

<em><u>Slope</u></em> <em>is the rise over run, meaning how much the y value changes over how much the x value changes, so for the two points we use our formula:</em>

\frac{y1-y2}{x1-x2}

<em>So now input how much it changes by adding the numbers from each coordinate:</em>

\frac{(-3)-(1)}{(2)-(0)}

<u>Simplify:</u>

<u />\frac{-4}{2}<u />

<em>But we write it as:</em>

-4/2

<em>This is because this looks more like division</em>

<u>Divide:</u>

-4/2=-2

So, your slope is <em><u>-2</u></em> and the y- intercept is <em><u>1</u></em>

I hope this helps u pls give a brainliest and a thx ;)

7 0
3 years ago
A group of mountain climbers beginner expedition with 250 pounds of food they play to be a total of 12 pounds of food per day ri
sattari [20]

Answer:

250f divide 12f = 21pounds rounded

Step-by-step explanation:

Hope this helps :)

5 0
3 years ago
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