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3 years ago

Please solve this or find an answer key.

Mathematics

1 answer:

netineya [11]3 years ago

5 0

Answer:

1 - 2 1/4

2 - 2 2/4 (simplified) 2 1/2

3 - 7 3/11

4 - 2 1/7

5 - 7 3/8

6 - 4 3/10

7 - 6 2/8 (simplified) 6 1/4

8 - 6 10/12 (simplified) 6 5/6

9 - 6 2/4 (simplified) 6 1/2

10 - 4 1/2

11 - 5 1/8

12 - 3 2/3

13 - 6 5/12

14 - 2 3/5

15 - 5 2/3

_______________________________________

1 - 42/5

2 - 20/3

3 - 27/5

4 - 52/7

5 - 10/3

6 - 17/3

7 - 40/11

8 - 28/5

9 - 29/3

10 - 25/3

11 - 86/9

12 - 11/3

13 - 15/2

14 - 5/2

15 - 38/7

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A certain region currently has wind farms capable of generating a total of 2200 megawatts (2.2 gigawatts) of power. Assuming win

sveta [45]

Answer:

The correct answer is A. 4,818'000,000 kilowatt-hours per year and B. 481,800 households.

Step-by-step explanation:

1. Let's review the information provided to us for solving the questions:

Power capacity of the wind farms = 2,200 Megawatts or 2.2 Gigawatts

2. Let's resolve the questions A and B:

Part A

Assuming wind farms typically generate 25% of their capacity, how much energy, in kilowatt-hours, can the region's wind farms generate in one year?

2,200 * 0.25 = 550 Megawatts

550 Megawatts = 550 * 1,000 Kilowatts = 550,000 Kilowatts

Now we calculate the amount of Kilowatts per hour, per day and per year:

550,000 Kw generated by the farms means that are capable of produce 550,000 kw per hour of energy

550,000 * 24 = 13'200,000 kilowatt-hours per day

13'200,000 * 365 = 4,818'000,000 kilowatt-hours per year

Part B

Given that the average household in the region uses about 10,000 kilowatt-hours of energy each year, how many households can be powered by these wind farms?

For calculating the amount of households we divide the total amount of energy the wind farms can generate (4,818'000,000 kilowatt-hours) and we divide it by the average household consumption (10,000 kilowatt-hours)

Amount of households = 4,818'000,000/10,000 = 481,800

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3 years ago

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3 years ago

Identify the solution set of the inequality using the given replacement set x < –2; {–5, –2.6, –2, –0.8, 1, 1.5}. A. {–5, –2.

Olenka [21]

If x < - 2 and x ∈ { - 5, - 2.6, - 2, - 0.8, 1, 1.5 }
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3 years ago

Read 2 more answers

I’m confused on this one

kvv77 [185]

The answer is 42.

The question is asking for angle N. We know from the question that angle N is equal to angle E (Don't think about the scale factor because it only applies to the sides. They're just trying to trick you).

To find angle E:
$79 + 6x + 11 + 7x - 14 = 180$
Move numbers to the right side:
$6x + 7x = 180 - 79 - 11 + 14$
Combine like terms:
$13x = 104$
Divide both sides by 13:
$x = 8$
The formula for angle E:
$7x - 14$
Plug in the 8:
$7 \times 8 - 14 = 56 - 14 = 42$
The angle measure of E is 42. So angle N is automatically 42 too.

To solidify, we can try to use the formula which they give us for angle N:
$3x + 18 = 24 + 18 = 42$

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3 years ago