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3 years ago

The area of a parallelogram increased from 40 to 128 square centimeters what is area percentage?

Mathematics

1 answer:

Goryan [66]3 years ago

5 0

Answer:

320

Step-by-step explanation:

j u s t a g u e s s b u t i t h i n k i t s r i g h t

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1/5(150x-80y+50-50x-25y+20)

ExtremeBDS [4]

1/5 (150x - 80y + 50 - 50x - 25y + 20) = 20x - 21y + 14
what I did is combined the like terms and multiplied each term within the parenthesis by .2

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3 years ago

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The point-slope form of the equation of a line that passes through points (8, 4) and (0, 2) is y - 4 =1/4(x-8). What is the slop

Gelneren [198K]

Answer:1/4

Step-by-step explanation:

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4 years ago

Recipe

aleksandr82 [10.1K]

Answer: 20 strawberries

1 litre of orange juice

500ml yogurt

Step-by-step explanation:

Based on the recipe, the average for 1 smoothie, we need buy 5 strawberries, 1/4 litre of orange juice, 125ml yogurt, 1/2 banana

Thus, for 4 smoothies, we need the average quantity for 1 smoothie multi with 4

- 5*4 = 20 strawberries

- 1/4 litre *4 = 1 litre of orange juice

- 125ml yogurt * 4 = 500ml yogurt

-1/2 of banana * 4= 2 banan

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3 years ago

a company makes $10 000 in 2017. The projection of profit increase is fixed 40% from the previous year. Predict the company prof

cestrela7 [59]

Answer:

19600

Step-by-step explanation:

For every year the profit increases by 40% so to figure out the profit from 2017 to 2018 you do 10,000*1.4 to and get 14,000. To get 2019's profit you do the same process, but use 2018's profit of 14,000 instead of 2017's profit to get 19,600.

6 0

3 years ago

Delta Airlines quotes a flight time of 2 hours, 5 minutes for its flights from Cincinnati to Tampa. Suppose we believe that actu

gregori [183]

Answer: 0.5

Step-by-step explanation:

Given : Delta Airlines quotes a flight time of 2 hours, 5 minutes for its flights from Cincinnati to Tampa.

i.e. Flight time = 2(60) +5= 125 minutes [∵ 1 hour = 60 minutes]

Actual flight times are uniformly distributed between 2 hours and 2 hours, 20 minutes.

i.e. In minutes the flight times are between 120 minutes and 140 minutes.

Let x be a uniformly distributed variable in [120 minutes, 140 minutes] that represents the flight time.

Since the probability density function for x uniformly distributed in [a,b] is $f(x)=\dfrac{1}{b-a}$

⇒ Probability density function for flight time : $\dfrac{1}{140-120}=\dfrac{1}{20}$

5 minutes late than usual time = Flight time+ 5 = 125+5 = 130 minutes

Now , the probability that the flight will be no more than 5 minutes late will be :-

$\int^{130}_{120} \dfrac{1}{20}\ dx\\\\=\dfrac{1}{20}[x]^{130}_{120}\\\\= \dfrac{130-120}{20}\\\\=\dfrac{1}{2}=0.5$

Hence, the probability that the flight will be no more than 5 minutes late is 0.5.

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3 years ago

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