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shusha [124]
2 years ago
15

Will measures the distance around a tree using a tape measure as 48 inches. Use this measure to find the diameter of a cross sec

tion of the tree.
Mathematics
1 answer:
marin [14]2 years ago
6 0

Answer: Assume the cross section is taken at the same height where the circumference was measured. Then


48/3 = 16 inches, close enough, actually. Trees aren't cylinders.


48 × 7 / 22 inches = 15.2727272

48/3.1415926 = 15.2788747

48/pi = 15.2788745368219522338128412837... ☺️



Step-by-step explanation:

circumference / diameter = pi = 3.1415926......

So diameter = circumference / pi.


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Answer:

6

Step-by-step explanation:

3n=3(n)

ur replcing n with 2

3(2)=3x2

3x2=6

6 0
2 years ago
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Which exponential function goes through the points (1, 8) and (4, 64)?
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An exponential function can be expressed as:

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Which expression represents the algebraic phrase “twelve times the sum of a number and seven-tenths”? 12 y + StartFraction 7 ove
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The answer is:

12 ( y+ \frac{7}{10})

this suits perfectly the description

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2 years ago
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2. Saul invested an average of $425 per month since age 30 in various securities for his
BabaBlast [244]

Answer:

$507.30

Step-by-step explanation:

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A=P(1+i/n)^n, n=time \ in \ months\\\\=425(1+0.035/12)^{40\times 12}\\\\=1719.95

#We subtract to find how much more he would have if he started saving at 20;

=A_{20}-A_{30}\\\\=1719.95-1212.65\\\\=507.30

Hence, Saul would have $507.30 more had he started saving 10 years earlier.

5 0
3 years ago
Simplify the expression (1/x^2 + 2/y)/(5/x - 6/y^2)
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