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RoseWind [281]
2 years ago
13

I'LL GIVE BRAINLIEST PLS HELP

Mathematics
1 answer:
viktelen [127]2 years ago
4 0

Answer:

ok But i cant see dat stuff

Step-by-step explanation:

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The physical plant at the main campus of a large state university recieves daily requests to replace fluorescent lightbulbs. The
faltersainse [42]

Answer:

34%

Step-by-step explanation:

Given that the distribution of daily light bulb request replacement is approximately bell shaped with ;

Mean , μ = 45 ; standard deviation, σ = 3

Using the empirical formula where ;

68% of the distribution is within 1 standard deviation from the mean ;

95% of the distribution is within 2 standard deviation from the mean

Lightbulb replacement numbering between ;

42 and 45

Number of standard deviations from the mean /

Z = (x - μ) / σ

(x - μ) / σ < Z < (x - μ) / σ

(42 - 45) / 3 = -1

This lies between - 1 standard deviation a d the mean :

Hence, the approximate percentage is : 68% / 2 = 34%

5 0
3 years ago
1. To the nearest tenth of a centimeter, how tall is a
Setler [38]
It’s A because when u do (6.4)^2 times pi equals 128.6796351 and u subtract to the total volume(1119.5cm) and equals to 8.69; u later round to nearest tenth which equals to A, 8.7cm
4 0
3 years ago
Hi can anyone plz help me with this and can you explain how you got it ​
zloy xaker [14]

Answer:

What to prove, solve for?

6 0
3 years ago
Read 2 more answers
10 meters wide with a surface area of 80 square meters. ​
Vlada [557]

Answer:

8

Step-by-step explanation:

5 0
3 years ago
Erin deposited $400 in a saving account earning 3% yearly compound interest. write an equation to represent how much money (y) E
bekas [8.4K]

~~~~~~ \textit{Compound Interest Earned Amount \underline{in 15 years}} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill &\$400\\ r=rate\to 3\%\to \frac{3}{100}\dotfill &0.03\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{yeary, thus once} \end{array}\dotfill &1\\ t=years\dotfill &15 \end{cases}

A=400\left(1+\frac{0.03}{1}\right)^{1\cdot 15}\implies A=400(1.03)^{15}\implies A\approx 623.19 \\\\[-0.35em] ~\dotfill\\\\ ~\hfill y=400(1.03)^x~\hfill

4 0
2 years ago
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