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Delvig [45]
3 years ago
15

The area of circular garden is 530.66 feet2. What is the circumference of the garden? (Use 3.14 for .

Mathematics
1 answer:
iVinArrow [24]3 years ago
3 0
\bf \textit{area of a circle}\\\\
A=\pi r^2\quad 
\begin{cases}
r=radius\\
------\\
A=530.66
\end{cases}\implies 530.66=\pi r^2
\\\\\\
\cfrac{530.66}{\pi }=r^2\implies \sqrt{\cfrac{530.66}{\pi }}=r
\\\\\\
\textit{circumference of a circle}\\\\
C=2\pi r\qquad \implies C=2\pi \left( \sqrt{\cfrac{530.66}{\pi }} \right)
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A secretary answered 88 phone calls in a day. Of these phone calls 18 we're from Plano Texas. What is the ratio of the number of
Masja [62]

Answer:

9 to 44 is the ratio of the number of phone calls that we're from Plano to the total number of phone calls that day

Step-by-step explanation:

Given:

The total number of phone calls that was answered by secretary in a day = 88

The number of calls that were from Plano Texas = 18

To Find :

The of the number of phone calls that we're from Plano to the total number of phone calls that day

Solution:

The ratio of phone calls that we're from Plano to the total number of phone calls that day =\frac{\text{calls from Plano texas }}{\text{Total number of calls}}

Now lets substitute the given value,

The ratio of phone calls that we're from Plano to the total number of phone calls that day =\frac{18}{88}

Now reducing the fraction

=>\frac{9}{44}

So the ratio is 9:44

4 0
4 years ago
Helpp,
Sergeeva-Olga [200]

Answer:

5/6

Step-by-step explanation:

1/3 + 1/2

Must have matching denominators

 1           1

----- +  -------

 3 (2)    2(3)

Whatever is done to the bottom (denominator) must be done to the top (numerator)

1(2)      1(3)

----- +  -------

 3 (2)    2(3)

2          3            5

----- +  -------  =  --------

 6         6             6

Can I name Justin's sum as a single fraction: Yes

Would it be correct to name it 2/3: No. The fraction is equal to 5/6

I hope this helps!

4 0
1 year ago
IXL PLEASE HELP
Lynna [10]

The answer would be .090

if it was a probabilty

5 0
3 years ago
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statuscvo [17]
You divide 330 by 22

Answer:15
6 0
4 years ago
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What is the next number in pattern from 2,9,28,65
galben [10]

Answer:

126

Step-by-step explanation:

2=1³+1

9=2³+1

28=3³+1

65=4³+1

=>5³+1=126

The rule is: n³+1

5 0
3 years ago
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