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svlad2
3 months ago
7

There is a safety fence around a circular pool with a gate. The gate is 150 cm wide. What is the length of the fence not includi

ng the gate? m Use π = 3.14
Mathematics
1 answer:
zzz [12.3K]3 months ago
4 0

Response:

The fence's length is expressed as 6.28x - 150 cm.

Detailed Breakdown:

Assuming the circular pool has a radius (r) of x cm.

As the pool is circular, its circumference represents the length of the fence. Additionally, subtracting the 150 cm for the gate gives us the actual length of the fence.

Length of fence = Circumference of pool – gate's width.

Length of fence = 2 π r – 150

Length of fence = 2 × 3.14 × x – 150

Therefore, the fence length is 6.28x – 150 cm.

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The surface area S of a single-celled organism may be found by multiplying 4π times the square of the radius r of the cell. Expr
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Response:

S(r)=4\pi r^2.

Step-by-step explanation:

It is established that the surface area S of a single-celled organism can be calculated by multiplying 4π by the square of the cell's radius r.  

We need to portray S as a function of r.

Let r represent the radius of the cell and S(r) denote the surface area of the single-celled organism corresponding to radius r.

Based on the question,

S(r)=4\pi \times r^2

S(r)=4\pi r^2

Therefore, the required function is S(r)=4\pi r^2.

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1 month ago
If SA=1/2lp+B, find p<br><br> What is the formula for finding p?
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