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NARA [144]
3 years ago
6

-3.1x +6x = 2+3z+8-10 =

Mathematics
1 answer:
lapo4ka [179]3 years ago
6 0

Answer:

_

z=96x

(line on top of the nine)

Step-by-step explanation:

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The following is the frequency distribution for the speeds in miles per hour (mph) of a sample of 35 automobiles traveling on an
Gnoma [55]

Answer:

The answer is "70.38".

Step-by-step explanation:

Given:

Speed\ \ (mph) \ \ \ \ \ \  \ \ \ \ \  \ \ \ \ Cumulative \ \ Frequency\\\\50-54\ \ \ \ \ \  \ \ \ \ \  \ \ \ \ \ \ \  \ \ \ \ \ 2\\\\55-59\ \ \ \ \ \  \ \ \ \ \  \ \ \ \ \ \ \  \ \ \ \ \  6\\\\60-64\ \ \ \ \ \  \ \ \ \ \  \ \ \ \ \ \ \ \ \ \ \  \ 11\\\\65-69\ \ \ \ \ \  \ \ \ \ \  \ \ \ \ \ \ \ \ \ \ \ \ 21\\\\70-74 \ \ \ \ \ \  \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 30\\\\75-79 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \  \ \ \ \  \ 35\\\\

solution:

Interval \ \ \ \ \ \ \   X\ \ \ \ \ \ \ F \ \ \ \ \ \ \ fX\\\\

50-54 \ \ \ \ \ \ \ 52 \ \ \ \ \ \ \ 2 \ \ \ \ \ \ \ \ \ 104 \\\\55-59 \ \ \ \ \ \ \ 57 \ \ \ \ \ \ \ 6\ \ \ \ \ \ \ \ \ 342  \\\\60-64 \ \ \ \ \ \ \ 62 \ \ \ \ \ \ \  11 \ \ \ \ \ \ \ \ 682 \\\\65-69\ \ \ \ \ \ \ 67 \ \ \ \ \ \ \ 21\ \ \ \ \ \ \ 1407 \\\\70-74\ \ \ \ \ \ \ 72 \ \ \ \ \ \ \  30 \ \ \ \ \ \ \  2160\\\\75-79 \ \ \ \ \ \ \ 77 \ \ \ \ \ \ \  35\ \ \ \ \ \ \ 2695 \\\\

Total                      105  \ \ \ \ \ \ \  7390

\text{mean speed}= \frac{fX}{F}

                  = \frac{7390}{105}\\\\=70.38

6 0
3 years ago
Cal is creating a circular garden for his yard. The radius of the garden is 15 feet. He wants to put fencing around the garden t
notsponge [240]

Answer:

cost =  333 .6 $

Step-by-step explanation:

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3 years ago
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Step-by-step explanation:

Subtract the y coordinates over the subtraction of the x coordinates

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6 0
3 years ago
Read 2 more answers
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