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3 years ago

14

Charlie guesses there are 517 pennies in a jar. The jar actually contains 623 pennies. What is the percent error in Charlie's gu

ess, to the nearest tenth of a percent?

2 answers:

PolarNik [594]3 years ago

8 0

The correct is 0.8. Hope this helps. (:

sammy [17]3 years ago

3 0

0.8 is the answer to the problem.

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3x ^2 - 9 x y ^2+ 12 X ^3Y^2

shepuryov [24]

$\huge \boxed{\mathfrak{Question} \downarrow}$

$3 x ^ { 2 } y - 9 x y ^ { 2 } + 12 x ^ { 3 } y ^ { 2 }$

$\large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}$

$3 x ^ { 2 } y - 9 x y ^ { 2 } + 12 x ^ { 3 } y ^ { 2 }$

Factor out $3$ .

$3\left(x^{2}y-3xy^{2}+4x^{3}y^{2}\right)$

Consider $x^{2}y-3xy^{2}+4x^{3}y^{2}$ . Factor out $xy$ .

$xy\left(x-3y+4x^{2}y\right)$

Rewrite the complete factored expression.

$\boxed{ \boxed{ \bf \: 3xy\left(x-3y+4x^{2}y\right) }}$

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2 years ago

What is 21 X 21 ???? <br> 3 3

Sergeeva-Olga [200]

Answer: 441

Step-by-step explanation:

21 x 21 = 441

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2 years ago

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Mr. Layte needs a mortgage to buy his first house. Which describes how this will affect Mr. Layte's financial situation?

Norma-Jean [14]

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Answer:

A, D

Step-by-step explanation:

Assuming that Mr. Layte must pay for his mortgage from his (otherwise) disposable income, that disposable income will decrease. As in choice A, there will likely be additional ownership expenses besides the mortgage. Under our assumption, Mr. Layte's disposable income does not remain the same or increase.

The appropriate choices are A and D: the amount of money he has to spend on things will decrease ...

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3 years ago

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SOVA2 [1]

Answer:

around 15

Step-by-step explanation:

if you divide the volume of the big 10 dollar cylinder popcorn by the volume of the 0.99 cone popcorn which is 785/ 52.36 its 14.9923605806

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3 years ago

A bike was originally 240.00 the price was marked up 15%.what is the new price of the bike

Law Incorporation [45]

Answer:

276

Step-by-step explanation:

240+(240*.15) = 276

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3 years ago