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3 years ago

6

Of the 120 apartments in a building, 75 have been scheduled to receive new carpet. What percent of the apartments have not been

scheduled to receive new carpet?

1 answer:

elixir [45]3 years ago

7 0

120 - 75 is 45. 45 divided by 120 is 0.375. 0.375 is equal to 3/8. 0.375 is also equal to 37.5%.

37.5%

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Help with this geometry question.

KATRIN_1 [288]

Plug in 4m in the space

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3 years ago

An element with mass 130 grams decays by 22% per minute. How much of the element is remaining after 7 minutes, to the nearest 10

shepuryov [24]

22.8 grams of element will be remaining after 7 minutes

Further explanation:

Given

$Mass\ of\ element=130g\\Percentage\ of\ reduction=22\%$

The element reduces (1-22%) in one minute.

The process will be repeated 7 times for 7 minutes

If we have to calculate the amount of element after 7 minutes

then the total reduction will be: (1-22%)^7

$Remaining\ amount=130*(1-22\%)^7\\=130*(1-0.22)^7\\=130*(0.78)^7\\=130*0.18\\=22.84g\\Rounding\ off\ to\ nearest\ tenth\\=22.8g$

22.8 grams of element will be remaining after 7 minutes

Keywords: Decay, Percentage

Learn more about percentage at:

#LearnwithBrainly

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3 years ago

15-2x=-7x what does x equal

Degger [83]

Answer:

x = -3

Step-by-step explanation:

15 - 2x = -7x

add 2x

15 = -5x

divide by -5

-3 = x

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3 years ago

Leila works as a tutor for an hour and as a waitress for an hour. This month, she worked a combined total of hours at her two jo

kupik [55]

Answer:

E(t) = 5t +672 ($)

Step-by-step explanation: INCOMPLETE QUESTION

FROM GOOGLE

she earns 12 $ per hour as tutor and 7 $ per hour as waitress, this month she worked a combined of 96 hours at her two jobs

Let be t the numbers of hours Leila works as tutor this month

Answer:

If Leila worked t hours as tutor then, she worked (96 - t) hours as waitress

E(t) = 12 * t + 7 * (96-t)

E(t) = 12t + 672 - 7t

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3 years ago

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NeTakaya

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5 0

3 years ago

Read 2 more answers