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Alex_Xolod [135]
3 years ago
9

Please help asap ill give brainliest :c

Mathematics
2 answers:
Goshia [24]3 years ago
5 0

Answer:

The first one

Step-by-step explanation:

professor190 [17]3 years ago
5 0

Answer:

The third choice

Step-by-step explanation:

because it depends on the days it takes for the grass to grow which means it's the dependent variable hopes this helps and good luck :)

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What is the answer please
Kamila [148]

Answer:

Step-by-step explanation:

7 0
3 years ago
I need help in this!
In-s [12.5K]

For a function to begin to qualify as differentiable, it would need to be continuous, and to that end you would require that a is such that

\displaystyle\lim_{x\to0^-}g(x)=\lim_{x\to0^+}g(x)\iff\lim_{x\to0}ax=\lim_{x\to0}x^2-3x

Obviously, both limits are 0, so g is indeed continuous at x=0.

Now, for g to be differentiable everywhere, its derivative g' must be continuous over its domain. So take the derivative, noting that we can't really say anything about the endpoints of the given intervals:

g'(x)=\begin{cases}a&\text{for }x0\end{cases}

and at this time, we don't know what's going on at x=0, so we omit that case. We want g' to be continuous, so we require that

\displaystyle\lim_{x\to0^-}g'(x)=\lim_{x\to0^+}g'(x)\iff\lim_{x\to0}a=\lim_{x\to0}2x-3

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3 0
3 years ago
How much time is needed for a 15,000 W engine to do 1,800,000 J of work? (Power: P = W/t) 0.008 s 8 s 120 s 1,785,000 s
Thepotemich [5.8K]
By definition, the power is given by:
 P =  \frac{W}{t}
 By definition, the power is given by:
 Where,
 W: Work done
 t: time
 Clearing the time we have:
 t = \frac{W}{P}
 Substituting values we have:
 t = \frac{1800000}{15000}
 Making the corresponding calculations we have:
 t = 120s
 Answer:
 
is needed for a 15,000 W engine to do 1,800,000 J of work about:
 
t = 120s
7 0
3 years ago
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Harlamova29_29 [7]

Answer:

4.2 miles

Step-by-step explanation:

7 0
3 years ago
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STALIN [3.7K]
The total number of fish bought was 320. And you know she bought two types of fish. The best way to solve this is guess and check. It would be the fastest. So she bought 7 times as many trigger-fish as parrot fish that means the number of trigger-fish bought was 7p. This means 320 = 7p +p. So all you do is take educated guesses for the number of parrot fish and check if it is right. So if she bought 50 parrot fish. 7(50) + 50 = 400. Close but a bit high. Lets keep guessing. 7(35) + 35 = 245. So now we know the answer is between 50 and 35. So lets try 40. 7(40) + 40 =320. That works so we know she bought 40 parrot fish and 280 trigger-fish.
8 0
3 years ago
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