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kvv77 [185]
3 years ago
8

Just need help with this question

Mathematics
1 answer:
Nitella [24]3 years ago
6 0

we know the diameter of the circle is 54, so the radius of it is half that or 27.

\textit{area of a circle}\\\\ A=\pi r^2~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=27 \end{cases}\implies A=\pi (27)^2\implies \stackrel{using~\pi =3.14}{A=2289.06~mi^2}

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For f(x)=4x+1 and g(x)=x^2-5 find (g/f)(x)
Ipatiy [6.2K]

f(x)=4x+1\\\\g(x)=x^2-5\\\\(g/f)(x)=\dfrac{g(x)}{f(x)}=\dfrac{x^2-5}{4x+1}

6 0
3 years ago
Read 2 more answers
Jose drove from newyork to Florida. Resting for 1 hour for every 5 hours he drove. if he drove for 35 hours. how many hours did
Delicious77 [7]

Answer:

7

Step-by-step explanation:

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7 0
2 years ago
Simplify the expression |12-5|-(6/2+1)^2
Zielflug [23.3K]

Answer:

-9

Alternative form:

-3^{2}

----------------------------------------------------

Steps:

1- Cross out the common factor

2- Calculate the sum or difference

3- Calculate the absolute value

4- Calculate the power

5- Calculate the sum or difference

5 0
2 years ago
Find the 5th term of the sequence in which t1 = 8 and tn-1 = t= -3tn-1
il63 [147K]
I think you mean to say that the sequence is given recursively by

\begin{cases}t_1=8\\t_n=-3t_{n-1}\end{cases}

From this you can find a general pattern for the nth term, but since we're only interested in determining t_5, we can stop once we arrive at that. We have

t_2=-3t_1
t_3=-3t_2=(-3)^2t_1
t_4=-3t_3=(-3)^3t_1
t_5=-3t_4=(-3)^4t_1

\implies t_5=8(-3)^4=8(81)=648
7 0
3 years ago
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Phoenix [80]

Answer:

1/20

Step-by-step explanation:

The area of a rectangle is found by Area = length x width so here the width is 2/5 and the length is 1/8 so... (2/5) x (1/8) = 1/20 square meters

5 0
3 years ago
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