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stepladder [879]
3 years ago
11

2. What polynomial must be added to (ab - 5) to obtain (5 - ab)?​

Mathematics
1 answer:
Oxana [17]3 years ago
4 0
7-ab will have to be added hope this helped! Also divided it
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What is the common difference in the following arithmetic sequence?
zloy xaker [14]
It would probably be D
3 0
3 years ago
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:

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

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

<u>13'200,000 * 365 = 4,818'000,000 kilowatt-hours per year</u>

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)

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

8 0
3 years ago
The base of a triangle is 13cm and its height is 5cm. what is the area of the triangle
mario62 [17]

Answer:

32.5cm

Step-by-step explanation:

Using the formula A=h_b*b/2

We get 5*13/2=32.5

3 0
3 years ago
I ready diagnostic time!!
Dimas [21]

Answer:

I think choose (D)

\frac{4}{10} and  \frac{10}{25}

5 0
3 years ago
The sum of one and the product of one and a number x
Annette [7]

1 + 1x

OR

1 + x

They mean the same thing! Hope this helps!

7 0
3 years ago
Read 2 more answers
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