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arlik [135]
2 years ago
5

if mean= 20 and sum of data =120 then calculate the total number of data. please solve this question i will mark you as Brainlis

t​
Mathematics
2 answers:
iVinArrow [24]2 years ago
8 0

Answer:

the answer is 6...

Step-by-step explanation:

divide

Lera25 [3.4K]2 years ago
3 0

Answer:

Just divide 120 by 20.

Step-by-step explanation:

The answer is 6

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At the beginning of a basketball season, the Panthers won 20 games out of 80 games. At this rate, how many games will they win i
balu736 [363]
They will win 25 games in 100 game season at that rate.Since they win 5 games out of every 20.

The answer is 25
6 0
2 years ago
During a sale, a bookstore sold 250 books. At the end of the sale, the store has 75% of the original number of books. How many b
shutvik [7]
90 books would be left I believe I just took 250/9 since it would take 9 quarters to make $2.50 and since 75% was gone that would mean 25% is left so your answer is 90 unless it’s not but I believe it’s right.
5 0
3 years ago
Can someone help me understand this.​
3241004551 [841]

Answer:

easy-peasy

Step-by-step explanation:

Perimeter:

P=2(a+b)

P=2(50+70)

P=2(120

P=240

Area:

A=50*70

A=3,500

I really hope it helped:)

8 0
3 years ago
Read 2 more answers
A culture of bacteria has an initial population of 650 bacteria and doubles every 9 hours. Using the formula Pt=P0⋅2tdP_t = P_0\
Ghella [55]
So is doubling, first off, meaning, if the current amount say P, then when it doubles is 2P, or double that, or P + P, so the rate of growth is 100%, since it's doubling.

and is doing it every 9 hour cycle, thus

\bf \textit{Periodic/Cyclical Exponential Growth}\\\\
A=P(1 + r)^{\frac{t}{c}}\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{initial amount}\to &650\\
r=rate\to 100\%\to \frac{100}{100}\to &1.00\\
t=\textit{elapsed time}\to &10\\
c=period\to &9
\end{cases}
\\\\\\
A=650(1 + 1)^{\frac{10}{9}}\implies A=650(2)^{\frac{10}{9}}\implies A=650\sqrt[9]{2^{10}}
4 0
3 years ago
In the first 3 days of class, Maria lost 2 pencils. If maria keeps losing pencils at the same rate for 60 days of class, how man
Lyrx [107]
Rounded to the nearest whole number, it seems as if she will lose 40 pencils at this rate.

2/3 = .66
60x.66=39.6
39.6 - 40

Hope this was helpful!
6 0
3 years ago
Read 2 more answers
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