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aev [14]
3 years ago
11

Choose the correct sales price of the following item. An spark plug listed at $1.89, marked down 29%.

Mathematics
2 answers:
PtichkaEL [24]3 years ago
4 0

Answer:

1.34

Step-by-step explanation:

odyssey ware

egoroff_w [7]3 years ago
3 0
1.89−(1.89×0.29)
=1.34
......
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See diagram
I wrote that the degrees are 70 each because it is isocolese and 140/2=70


a.
to solve for the diagonal, I'm going to use trig to find the height and the base then use pythagorean theorem to find the diagonal

so
see I've drawn an auxiliry line to make a right triangle on the leftmost side
so
we want to find the height and base
sin(70°)=h/7
so 7sin(70°)=h≈6.57785

cos(70°)=base/7
so 7cos(70°)=base≈2.39414

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the entire long base is 22, so that big triangle with the diagonal as the hyptonuse is 22-2.39414=19.6059
use pythagorean theorem, like 6.57785²+19.6059²=diagonal²
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b.
we got that the base was 7cos(70°)
2 of those bases so 22-14cos(70°)=17.2117ft or rounded 17.21ft




a. 20.68ft
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3 0
3 years ago
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For the purpose of determining the value of its end-of-year inventory, a clothing store creates a list at the end of the year of
weeeeeb [17]

Answer:

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Step-by-step explanation:

A census encompasses collecting data of an entire population as well evaluation of the characteristics of an entire population. Every item currently in store alongside their wholesale price was included in the survey here. None was excluded. So we cannot call the activity a sample survey. Since all items were counted, the best description to give to this activity is "a census".

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