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Kazeer [188]
3 years ago
6

If a project is handed in late, you receive

Mathematics
1 answer:
ira [324]3 years ago
4 0
8/9 = .888 rounds to 88.8% which rounds to 89
89 - 72 = 17 points lost
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A large solar panel can generate power at a maximum rate of 400400400 kilowatts per day. It generates power at a constant rate w
kobusy [5.1K]

For a Cloudy sky , the solar panel requires 80 hours to generate 400 kilowatts per day

For a clear sky the solar panel requires 12.5 hours to generate 400 kilowatts per day.

The solar panel does not exceed its maximum capacity of 400 kilo watts per day because it will generate 207 kilo watts per day.

Step-by-step explanation:

1.Given the inequality for power generated as;

5C+32L≤400 where C is number of hours when sky is cloudy and L is the number of hours when the sky is clear then;

The equation can be written using x and y as

5x + 32 y ≤ 400 -----where x=C and y=L

Graphing the equation on a graph tool for values of x and y that produce maximum capacity,the graph is attached below where x=80 hours and y=12.5 hours.

This means C=cloudy sky = 80 hours and L=clear sky= 12.5 hours

For a Cloudy sky , the solar panel requires 80 hours to generate 400 kilowatts per day

For a clear sky the solar panel requires 12.5 hours to generate 400 kilowatts per day.

2.

Given C=3 hours and L= 6 hours substitute values in the inequality

5C+32L≤400

5*3 + 32*6 ≤ 400

15+192 ≤ 400

207 ≤ 400

The solar panel does not exceed its maximum capacity of 400 kilo watts per day.

Learn More

Inequalities :brainly.com/question/10921764

Keywords: solar panel, power, maximum rate, sky, cloudy, clear,

#LearnwithBrainly

6 0
4 years ago
Read 2 more answers
Fernando has been saving money to buy an e-book reader. A store has just marked down the price of its readers by 40%. Each reade
Amanda [17]

Answer:

$75

Step-by-step explanation:

Remove $25 from $150. (125)

Calculate 40% of 125. (50)

Remove that 40%. (75)

So...

150 - 25 = 125 - 50 = 75

3 0
3 years ago
Read 2 more answers
A very old vending machine accepts only nickels (n) and dimes (d). Candy costs up to $0.50, but sometimes the machine will dispe
matrenka [14]
Let n be the number of nickels.
Let d be the number of dimes.
Our inequality is
10d + 5n ≤ 50

Have an awesome day! :)
8 0
3 years ago
I need help plz and thank you
daser333 [38]

Answer:

10

30

18

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
annie has some sweets. teddy gives her some sweets and she now has 50% more . rosie gives her some sweets and she now has an ext
Galina-37 [17]

Using proportions, considering the amount she received from each person, it is found that Annie had 30 sweets originally.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

In this problem, we have that:

  • Initially, she had n sweets.
  • With the ones she got from Teddy, the amount became 1.5n.
  • With the amount from Rosie, the amount became 1.4 x 1.5 x n.

The final amount was of 63, hence:

1.4 x 1.5 x n = 63

n = 63/(1.4 x 1.5)

n = 30.

Annie had 30 sweets originally.

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

3 0
3 years ago
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