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Nezavi [6.7K]
3 years ago
6

Simplify 3(4 x + 6) - 9 x .

Mathematics
1 answer:
JulsSmile [24]3 years ago
7 0
Simplest form would be 3x+18
3(4x+6)-9x
12x+18-9x
-9x
3x+18
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The best way will be 40+3
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Help me please 10 points I’m only in 8th
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4 years ago
 Hansen has $65,575 in a savings account. The interest rate is 9% per year and is not
Montano1993 [528]

Answer:

23.607

Step-by-step explanation:

<em> Given:</em>

$65,575

9%

4 Year

4 x 9% = 0.36

65,575 x 0.36 = 23.607

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5 0
3 years ago
a car purchased for $34,000 is expected to lose value, or depreciate, at a rate of 6% per year.using x for years and y for the v
Vika [28.1K]

Answer:

y = 34000(1-0.06) ^ t

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Step-by-step explanation:

This problem is solved using a compound interest function.

This function has the following formula:

y = P(1-n) ^ t

Where:

P is the initial price = $ 34,000

n is the depreciation rate = 0.06

t is the elapsed time

The equation that models this situation is:

y = 34000(1-0.06) ^ t

Now we want to know after how many years the car is worth less than $ 21500.

Then we do y = $ 21,500. and we clear t.

21500 = 34000(1-0.06) ^ t\\\\log(21500/34000) = tlog(1-0.06)\\\\t = \frac{log(21500/34000)}{log(1-0.06)}\\\\t = 7.40\ years.

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3 0
3 years ago
The manager of a snack bar buys bottled water in packs of 35 and candy bars in packs of 20. Then, she sells the items individual
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Answer:

8 packs of bottled water and 14 packs of candy bars

Step-by-step explanation:

Provided,

Each pack of water bottles = 35 bottles

Each pack of candy = 20 candy

Since quantity of candy in each pack is small than quantity of water bottle in each pack, in order to have same quantity in numbers of both bottles and candies,

Purchase quantity of candy packs shall be more than the pack of water bottles.

Further, with this option 1 and 2 are not valid as candy packs are same or less than packs of water bottle.

In option 3 and 4, option 3 have smaller quantities as provided manager bought the least possible quantity.

Accordingly

Option 3

8 packs of water bottle = 8 \times 35 = 280 \ water\ bottles

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Since the quantities of water bottles and candies are same this is an opt answer.

6 0
4 years ago
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