50 kg of grade a coffee beans is mixed with 100 kg of grade b coffee beans. what will be weight in kg of grade b coffee beans in 60 kg of mixture?

Answers

Answer 1

Answer: 50kg - coffee A
100kg - coffee B

(coffee A)/ (coffee B) = 50kg/100kg = 1/2

1 + 2 = 3 Entire parts
1/3 = coffee A
2/3 = coffee B

60kg * 2/3 = (120kg) : 3 = 40kg coffee B

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On average Exante Express trains are 50km/hr faster than Paral passenger trains. A Paral passenger train requires 60% more time then Exante train to travel 1800 km from Matsay to Rawindi. Calculate average speed of each train. Calculate time it takes for each train for the journey.

Answers

$V- average\ speed\ of\ Exante\ Express\ train\nt-travel\ time\ of\ Exante\ Express\ train \n \nV= (S)/(t) \ \ \ \ and\ \ \ V-50= (S)/(t+60\%t) = (S)/(1.6t)\ \ \ \ and\ \ \ S=1800\n \nV= (1800)/(t) \ \ \ and\ \ \ V-50=(1800)/(1.6t)\ \ \ \Rightarrow\ \ \ (1800)/(t)-50= (1125)/(t) \ /\cdot t\n \n1800-50 t=1125\ \ \ \Rightarrow\ \ \ 50t=1800-1125\ \ \ \Rightarrow\ \ \ 50t=675\ /:50\n \nt=13.5\ [h]=13\ [h]\ 30\ [min]\n\n1.6t=21.6\ [h]=21\ [h]+ 0.6\cdot60\ [min]=21\ [h]\ 36\ [min]$

$V= (1800)/(t) =(1800)/(13,5) =133 (1)/(3) \ [km/h]\approx133.3\ [km/h]\n\nV-50\approx83.3\ [km/h]$

$Ans.\n average\ speed\ of\ Exante\ Express\ train\ is\ 133.3\ km/h,\ntravel\ time\ of\ Exante\ Express\ train\ is\ 13\ h\ 30\ min;\naverage\ speed\ of\ Paral \ passenger \ train\ is\ 83.3\ km/h,\ntravel\ time\ of\ Paral \ passenger\ train\ is\ 21\ h\ 36\ min$

What is the LCD of 2/5 and 1/10 ?

Answers

The answer is 10 because 5×2 is 10 and 10 times one is 10. So that's the lowest common denominator her.

Answer:

Step-by-step explanation:

Use the following frequency distribution to determine the midpoint of the second class.A. 17.0

B. 19.5

C. 16.5

D. 18.5

Answers

Class Frequency Mid-point
13-15 7 13+15/2=20.516-18 4 16+18/2=1719-21 3 19+21/2=2022-24 5 22+24/2=2325-27 7 25+27/2=2628-30 7 28+30/2=29

(16+18)/2 = 17
So, the answer is A (17).

Find the distance between the points (1, 4) and (-2, -1).

Answers

The distance between the two points is √34

Distance between two points

The formula for calculating the distance between two points is expressed as:

D = √(x2-x1)² + (y2-y1)²

Given the coordinate points (1, 4) and (-2, -1). Substitute into the formula to have:

D = √(-1-4)² + (-2-1)²

D = √(-5)² + (-3)²

D = √25 + 9

D = √34

Hence the distance between the two points is √34

Learn more on distance here: brainly.com/question/23848540

Answer:

(3,5)count manually to get(3,5)

Round 496.739386253 to the nearest whole number.

Answers

Answer:

497

Step-by-step explanation:

If x ≥ 5, we round up.

If x < 5, we round down.

Since 7 ≥ 5, we round 496.739386253 to 497.

Answer:

467

Step-by-step explanation:

7 is greater than 5 so the six is rounded to a 7

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TenCo's junior tennis rackets has fixed costs of $740,000.00. The selling price per racket is $77.59. The variable cost per racket is $39.72. What is the break-even point in units?

Answers

B = F / (S-C)

B - breaking point in units
F - fixed costs, S - selling price, C - cost per racket.
S-C is the profit on a single unit

B = 740000 / (77.59 - 39.72) = 19540.53

The breaking point is approached after selling 19541 units.

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