5th grade math. Correct answer will be marked brainliest.

Mathematics

2 answers:

Vlad [161]3 years ago

7 0

Answer: The total mass of the coins in Sari's bag is 93.96 grams.

Step-by-step explanation: The half dollar mass is 11.54 grams × 4 half dollars= 45.36 grams and the dollar coin mass is 8.1 grams × 6 dollar coins=48.6 grams.

So we add half dollar and dollar coin masses: 45.36+48.6=93.96 grams, your total should be 93.96 grams, I hope your answer is very helpful, please mark me as brainliest, and have a happy holidays!!!!!!!!! :D

MA_775_DIABLO [31]3 years ago

5 0

Answer:

93.96

Step-by-step explanation:

11.54 (half dollar mass) x 4 half dollars = 45.36

8.1 (dollar coin mass) x 6 dollar coins = 48.6

45.36

+48.6

93.96

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A stock loses 10% of its value on Monday. On Tuesday it loses 20% of the value it had at the end of the day on Monday. What is t

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Answer: The overall percent loss is 28%.

Step-by-step explanation: Given that a stock loses 10% of its value on Monday and on Tuesday it loses 20% of the value it had at the end of the day on Monday.

We are to find the overall percent loss in value from the beginning of Monday to the end of Tuesday.

Let x represents the value of a stock at the beginning of Monday.

Then, the value of the stock at the end of Monday is given by

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So, the value of the stock at the beginning of Tuesday is $\dfrac{9}{10}x.$

Therefore, the value of the stock at the end of Tuesday is given by

$\dfrac{9}{10}x-20\%\times\dfrac{9}{10}x\\\\\\=\dfrac{9}{10}x-\dfrac{20}{100}\times\dfrac{9}{10}x\\\\\\=\dfrac{9}{10}-\dfrac{9}{50}x\\\\\\=\dfrac{36}{50}x\\\\\\=\dfrac{18}{25}x\\\\\\=x-\dfrac{7}{25}x\\\\\\=x-\dfrac{28}{100}x\\\\\\=x-28\%x.$