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Galina-37 [17]
3 years ago
9

Mitchell is a big coffee fan, so he always takes care of coffee brewing at the office. Normally he uses 100 grams of Robusta cof

fee to prepare 10 cups of coffee. His friend brings him a packet of Arabica coffee and tells him that he should use 20 percent more than usual when brewing Arabica coffee. How many grams of coffee should he use to make a 15-cup pot of Arabica coffee?
Mathematics
1 answer:
babunello [35]3 years ago
6 0

Answer:

180

Step-by-step explanation:

So first find how much gram he used for each cup 100 divided by 10=10

so he needs to add 20 percent more, so 20% of 10 = 2

10+2=12

12*15 = 180

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A track has lanes 1 meter wide. The turn radius of the inner lane is 25 meters. To make a fair race, the starting line in each l
Angelina_Jolie [31]
Assuming that there are N lanes and runners are running in the middle of each lane, 
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8 0
3 years ago
Weight/Calories per Day 1000 to 1500 cal. 1500 to 2000 cal. 2000 to 2500 cal. Total
Lady bird [3.3K]
<h2>Answer:</h2>

Option: D is the correct answer.

The probability is: 0.50

<h2>Step-by-step explanation:</h2>

Weight/Calories  1000-1500   1500-2000  2000-2500   Total

    120 lb.                 90               80                   10               180

    145 lb.                 35               143                  25              203

    165 lb.                  15                27                  75               117

    Total                140               250                110             500

We are asked to find the probability that a person consumes 1500-2000 calories in a day.

Total number of people who were surveyed=500

Total number of people who consume 1500-2000 calories in a day are:250

              Hence, Probability is:

                250/500=1/2=0.50

6 0
3 years ago
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An isosceles trapezoid is one that has 2 bases of different lengths and the other 2 sides having the same length as each other (definition of isosceles trapezoid). So if the perimeter is 79.53, the the formula is 79.53=x+x+25.62+33.51 and 79.53=2x+59.13. Solve that for x to get that x=10.2. That's your answer! Each leg is 10.2 meters long.
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3 years ago
If 6 cards are drawn at random from a standard deck of 52 cards, what is the probability that exactly 2 of the cards are spades?
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2/52. hope this helps
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