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S_A_V [24]
3 years ago
12

The circumference of a circle is equal to n times its diameter. Estimate the circumference of a round swimming pool that has a d

iameter of 24 feet. Use n=3.14. *
Mathematics
1 answer:
sdas [7]3 years ago
5 0

Answer:  An estimate done quickly: The circumference is about 75 ft.

Step-by-step explanation:

Round π to 3, and 24 to 25.  3 times 25 is 75

A more exact value would be 75.36

3.14 × 24 = 75.36

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PLS HELP! If f(x) = -9x + 12, and f(x) = -6, find x.
aivan3 [116]

Answer:

2

Step-by-step explanation:

You can rewrite thosee two equations as -9x+12=-6, because f(x)=f(x)

Now isolate x

-9x+12=-6

-9x+12-12=-6-12 (subtract 12, subtraction property of equality)

-9x=-6-12

-9x=-18 (simplify)

-9x/-9=-18/-9 (divide by 9, division property of equality)

x=2

5 0
3 years ago
Find the equation of the line tangent to the graph of f(x)=(lnx)^(4)at x=10
Diano4ka-milaya [45]

Hello,

Step-by-step explanation:

f(x) = ln(x) {}^{4}

(ln(u)') =  \frac{u'}{u}

f'(x) =  \frac{4ln {}^{} (x) {}^{3} }{x}

f'(10) =  \frac{4ln {}^{} (10) {}^{3} }{10}  =  \frac{12ln(x)}{x}

f(10) = ln(10) {}^{4}

y =  \frac{12ln(x)}{x} (x - 10) + 4ln(10)

y = f'(a)(x - a) + f(a)

4 0
2 years ago
Fred and his three friends go to the Ice Igloo for ice cream. Fred has $20 he earned mowing lawns and plans to pay for everythin
san4es73 [151]
I’m not sure but u need more information on your question
5 0
2 years ago
Terrence finished a word search in 3/4 the time it took frank. charlotte finished the word search in 2/3 the time it took terren
Luden [163]

Answer:

Charlotte-16

Step-by-step explanation:

In order to calculate the time that Charlotte took we just first have to calculate the time that Terrence took to finish the word search, that is done by multiplying the 32 minutes that Frank took by the three quartes that it took terrence:

Time=(\frac{3}{4}) (32)\\Time=(\frac{96}{4})\\Time=24

So now we know that It took terrence 24 minutes, and that Charlotte took two thirds of that time so we now just multiply that:

Time=(\frac{2}{3}) (24)\\Time=(\frac{48}{3})\\Time=16

6 0
3 years ago
Read 2 more answers
XD clan is amazing and thanks guys
Lorico [155]
The answer would be 4
6 0
3 years ago
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