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ad-work [718]
3 years ago
10

Is anyone good with this? I need help finding the answer.

Mathematics
1 answer:
dybincka [34]3 years ago
3 0
To solve this problem, we have to find the perimeter of the shape.
we already know that two of the sides are 82m, all we need to do is find the circumference of the semicircles.
to find circumference, you multiply the diameter of a circle by pi. since we have two identical semicircles, we have one full circle. 66•3.14=207.24
207.24+82+82=371.24
the answer is 371.24m
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Sole m-2/12=1/6<br> a.4<br> b.1<br> c.0<br> d.2
riadik2000 [5.3K]
The answer would be A. 4
Here’s what I would do.
Multiply both sides by 12 so u can get m- 2 by itself.
m-2= 2
How’d I get the two? It comes from when I multiplied 12 on both sides. 12/6= 2
Now ur equation should be
m-2=2
Do the opposite and add two to both sides to get the variable by itself.
m=4

Hope this helps :)))
7 0
3 years ago
A culture starts with 4000 bacteria after 5 hours it has 4800 how many bacteria after 15 hours
iogann1982 [59]

Answer:

6400

Step-by-step explanation:

so every 5 hours it gains 800 bacteria so 4800+800=5600 (hour 10)

and 5600+800=6400 (hour 15)

8 0
3 years ago
Read 2 more answers
Molly runs each morning once around a circular path in her neighborhood. if the diameter of the path is 1.4 miles, how far does
Lemur [1.5K]
To work out the distance of the path, you need to find out the circumference.
Formula for circumference = pi multiplied by the diameter

So you simply do:
pi multiplied by 1.4 miles

And you should get:
4.39822971503... miles

Simply round the result to an appropriate value (e.g. 3 decimal places).

Answer: 4.398 miles (to 3dp)
Hope the answer helps :)
6 0
3 years ago
A given rectangle has an area of 20 ft.² what is the length for various widths
ruslelena [56]
The area of a rectangle is calculated as length times its width. So, for the given area above, the expression should b written as:

20 = LW

To know the length for various measurement of the width, we can write it by:

L = 20 / W

You can substitute any measurement to W and you can obtain the corresponding value of the length.
8 0
3 years ago
find the volume of the cone. either enter exact answer in terms of pi or use 3.14 for pi and round your final answer to the near
SCORPION-xisa [38]

Answer:

6\pi u^3 = 18.8u^3

Step-by-step explanation:

the information we have is:

  • the radius of the circle in the base: r=3u (u for units)
  • and the height of the cone: h=2u

to find the volume we need the formula for the volume of a cone:

V=\frac{\pi r^2h}{3}

where r is the radius and h is the height.

Substituting the known values to find the volume:

V=\frac{\pi (3u)^2(2u)}{3} \\\\V=\frac{\pi (9u^2)(2u)}{3}\\ \\V=\frac{18\pi u^3}{3}\\ \\V=6\pi u^3

the volume in terms of \pi is 6\pi u^3

and if we substitute the value of pi: \pi=3.14 we get:

V=6(3.14)u^3\\V=18.8u^3

5 0
3 years ago
Read 2 more answers
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