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Taya2010 [7]
3 years ago
8

PLZ HELP ASAP+ BRANLIEST+25 POINTS!!!!!!!!

Mathematics
2 answers:
densk [106]3 years ago
8 0

Answer: Can

Step-by-step explanation:

Because the least common denominator is the highest common denominator you can have so assuming you can subtract them out

jeka943 years ago
6 0
It can be subtracted from eachother once you find the least common denominator.
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In 2001, gold was priced at (0.5x + 300) dollars per ounce. Its price tripled in 2008 and then doubled in 2011. In 2016, its pri
zloy xaker [14]

Given:

Price of  gold in 2001 = (0.5x+300)

Its price tripled in 2008 and then doubled in 2011. In 2016, its price dropped to \dfrac{2}{3} of the price in 2011.

To find:

An expression for the price of gold per ounce in 2016.

Solution:

We have,

Price of  gold in 2001 = (0.5x+300)

Its price tripled in 2008.

Price of  gold in 2008 = 3(0.5x+300)

Then doubled in 2011.

Price of  gold in 2011 = 2\times 3(0.5x+300)

In 2016, its price dropped to \dfrac{2}{3} of the price in 2011.

Price of  gold in 2016 =\dfrac{2}{3}\times 2\times 3(0.5x+300)

                                    =2\times 2(0.5x+300)

                                    =4(0.5x+300)

                                    =4(0.5x)+4(300)

                                    =2x+1200

Therefore, the required expression for the price of gold per ounce is (2x+1200).

8 0
3 years ago
A friend bought 2 boxes and 8 notebooks for school, it cost him $11 He went back to the store the same day to buy school supplie
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Answer:

  $5.25

Step-by-step explanation:

If the friend tripled the first purchase and subtracted twice the second purchase, he would have the cost of 3·8-2·5 = 14 notebooks. 7 notebooks would cost half that amount:

  (3·$11 -2·11.25)/2 = $5.25 . . . . . cost of 7 notebooks

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oksian1 [2.3K]

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Step-by-step explanation:

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