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IrinaK [193]
3 years ago
7

What is 4.2x = 25.2 please help me.

Mathematics
1 answer:
Genrish500 [490]3 years ago
4 0

Answer:

6 is the answer

Step-by-step explanation:

Hope this helps

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The power P produced by a wind turbine is directly proportional to the cube of the wind speed S. A wind speed of 37 miles per ho
vfiekz [6]

Answer:the output for a wind speed of 40 miles per hour is 810.8 kilowatts.

Step-by-step explanation:

The power P produced by a wind turbine is directly proportional to the cube of the wind speed S. This means that

P is directly proportional to S

Introducing a constant of proportionality, k, it becomes

P = kS

A wind speed of 37 miles per hour produces a power output of 750 kilowatts. This means that

750 = k × 37

k = 750/37 = 20.27

The expression becomes

P = 20.27S

Therefore, the output for a wind speed of 40 miles per hour would be

P = 20.27 × 40

P = 810.8

6 0
3 years ago
What is mDBA+b+mCBE? Explain how you know.
harkovskaia [24]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
(d) estimate p(x < 1.5), i.e., the proportion of all thickness values less than 1.5. [hint: if you knew the values of μ and σ
Elan Coil [88]
<span>This question's solution is based on two context. First off, the probability of any events or occurrence cannot be greater than 1. If the question demands finding the probability that the proportion of all thickness (X) is less than 1.5 given the available data (mu and rho) then that would practically be impossible. It would only be feasible to ask, "if it were less than 1" My point is, suppose X is 1.3 which is actually less than 1.5, then we have a contradiction because our probability of occurrence or non-occurrence cannot be greater than 1.On the other hand suppose X is 0.2, then it will be pretty easy to input the formula to get valuable results.</span>
3 0
3 years ago
a landscape company charges $100 plus $15 per hour. another company charges $75 plus $17 per hour. how long is a job that costs
sergij07 [2.7K]
To do this you equate the two and use x for hours.

So your equation looks like this: 100+15x=75+17x. Now move like terms to get 25=2x. The job will be 12.5 hours long to cost the same.
8 0
3 years ago
Comparing Two Linear Functions Use the graph and table to answer the questions. Which vehicle loses the most value each year? Ca
MakcuM [25]

Answer:

Use the graph and table to answer the questions.

Which vehicle loses the most value each year?

Car

Which vehicle will lose all of its value first?

Car

If the truck’s rate of depreciation changes to a decrease of $1,650 each year, which vehicle will lose all of its value first?

Truck

Step-by-step explanation:

4 0
4 years ago
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