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3 years ago

Help me plz 16 points

Mathematics

2 answers:

lisabon 2012 [21]3 years ago

6 0

The range is the biggest number minus the smallest so 26 and 45. The answer is 19, C

White raven [17]3 years ago

4 0

Hey!

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The range in a data is the value of subtracting the highest value to the lowest value.

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First, we need to the the values in order from least to greatest.

26, 27, 27, 30, 32, 33, 33, 34, 40, 45

Second, we subtract the greatest value to least value.

45 - 26 = 19

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Hence, the range is 19!

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Hope This Helped! Good Luck!

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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

8 0

3 years ago

What is the distance around a triangle that has sides measuring 2 1/8 feet, 3 1/2 feet, and 2 1/2 feet?

Alex787 [66]

Hi!
A is the answer:⏬⏬⏬⏬⏬⏬⏬⏬

The distance around a triangle, better noun as de "perimeter of a triangle"

is the total distance around the outside, which can be found by adding together the length of each side.

Perimeter (P) = Length A + Length B + Lenght C

In this case, we know that each side measure 2 \frac{1}{8}81 feet, 3 \frac{1}{2}21 feet, and 2 \frac{1}{2}21feet but we have to rewrite each one of this mixed fractions as improper fractions:

2 \frac{1}{8}81 = \frac{16 + 1}{8}816+1 = \frac{17}{8}817

3 \frac{1}{2}21 = \frac{6 + 1}{2}26+1 = \frac{7}{2}27

2 \frac{1}{2}21 = \frac{4 + 1}{2}24+1 = \frac{5}{2}25

Then we just add all of them to find the perimeter:

= \frac{17 + 28 + 20}{8}817+28+20 = \frac{65}{8}865

A: The distance around a triangle is \frac{65}{8}865feet

3 0

3 years ago

Read 2 more answers

The ratio of the angles in a triangle is 3:10:7. what is the measure of the smallest angle?

STALIN [3.7K]

So add all of them and then see smallest one sorry if I'm wrong

3 0

4 years ago

Suppose that w and t vary inversely and that t = 5/12

Svetlanka [38]

Answer:

Option B. t=5/3w ;1/3

Step-by-step explanation:

We are told that $w$ varies Inversely with $t$ thus generally speaking $w$ ∝ $\frac{1}{t}$ since they are inverted, otherwise if they were proportionally varied then $w$ ∝ $t$ . This means that there is a constant value ( $a$ ) for which $w$ is inversely proportional to $t$ and can be mathematically expressed as:

$w=\frac{a}{t}$ Eqn. (1)

Now since we are given the values of $w=4$ and $t=\frac{5}{12}$ , we can plug them in Eqn. (1) and find our constant of proportionality $a$ as follow: