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Olenka [21]
3 years ago
14

Graphitti math worksheet 5a

Mathematics
1 answer:
vladimir1956 [14]3 years ago
6 0
Where’s the work sheet?
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Angelo reads 1&1/2 pages in 3 minutes. Find his reading speed in pages per hour
Dimas [21]

Answer:

30 pages a hour

Step-by-step explanation:

1.5 every 3 minutes

there is 60 minuts in an hou you already have 3 so thimes it by 20 to get 60 then times 60 by 1.5


3 0
3 years ago
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X^2-11=53 in the simplest form
Vedmedyk [2.9K]

Answer:

x=±8

Step-by-step explanation:

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x=8 or x=-8

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3 years ago
Dan bought 6 boxes
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Step-by-step explanation:

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Suppose a population has a mean of 7 for some characteristic of interest and a standard deviation of 9.6. A sample is drawn from
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Answer:  A. 1.2

Step-by-step explanation:

Given : Sample size : n= 64

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The formula to find the standard error of mean is given by :-

S.E.=\dfrac{\sigma}{\sqrt{n}}\\\\\Rightarrow\ S.E.=\dfrac{9.6}{\sqrt{64}}\\\\\Rightarrow\ S.E.=\dfrac{9.6}{8}=1.2

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Hence, A is the right option.

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The answers are 95 36 36
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