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Romashka-Z-Leto [24]
4 years ago
12

Eileen randomly chooses 15 seeds from the bag of flower seeds she has left over from last year, and 10 seeds from the bag she bo

ught this year. Which sampling technique did she use to collect the 25 seeds in her sample?
A.simple random sampling
B.systematic sampling
C.convenience sampling
D.stratified random sampling
Mathematics
2 answers:
amm18124 years ago
5 0
I believe it is D, stratified random sampling.
Hope this helps!!

harina [27]4 years ago
5 0
The correct answer would be D.).
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7 0
3 years ago
Expand each expression
matrenka [14]

Answer:

Option B - \ln(\frac{4y^5}{x^2})=\ln 4+5\ln y-2\ln x

Step-by-step explanation:

Given : Expression \ln(\frac{4y^5}{x^2})

To find : Expand each expression ?

Solution :

Using logarithmic properties,

\ln (\frac{A}{B})=\frac{\ln A}{\ln B}=\ln A-\ln B

and \ln (AB)=\ln A+\ln B

Here, A=4y^5 and B=x^2

\ln(\frac{4y^5}{x^2})=\frac{\ln 4y^5}{\ln x^2}

\ln(\frac{4y^5}{x^2})=\ln 4y^5-\ln x^2

\ln(\frac{4y^5}{x^2})=\ln 4+\ln y^5-\ln x^2

Using logarithmic property, \logx^a=a\log x

\ln(\frac{4y^5}{x^2})=\ln 4+5\ln y-2\ln x

Therefore, option B is correct.

3 0
3 years ago
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A company packages its milk powder in cylindrical container whose base has a diameter of 28 cm and
yKpoI14uk [10]

Answer:

896pi or 2814.9cm^2

Step-by-step explanation:

S=h*r*2pi=(40-2*4)*28/2*2pi=32*14*2pi=896pi=2814.9cm^2

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Little Miss Buffet takes all the money from her piggy bank and puts it into a savings account at her local bank. The bank promis
gogolik [260]
200(1+0.025/2)^2*1
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Answer:

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big brains for days

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