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solniwko [45]
3 years ago
7

Pythagoras 12cm + 17cm

Mathematics
1 answer:
sveta [45]3 years ago
5 0

Answer 433=20.81

Step-by-step explanation:

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A lake is stocked with 1,500 young trout. If the number of the original trout alive after x years is given by the function P(x)=
musickatia [10]

The function P(x)=1500e^{-0.4x} gives the number of the original trout alive after x years. When the number of the original trout alive is 300, then

300=1500e^{-0.4x}

Solve this equation:

e^{-0.4x}=\dfrac{300}{1500},\\ \\e^{-0.4x}=\dfrac{1}{5},\\ \\-0.4x=\ln \dfrac{1}{5},\\ \\x=\dfrac{\ln \dfrac{1}{5}}{-0.4}\approx 4.024.

Answer: after 4.024 year (or 5 year if round to the whole number of years)

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4 years ago
Rene earns $50,768 per year.<br> What are her weekly gross earnings?
IrinaK [193]

Answer : Rena's weekly gross earnings are $976.31.

Step-by-step explanation :

As we are given total earning of Rena per year is $50,768.

Now we have to calculate her weekly gross earnings.

As we know that in one year there are 52 weeks.

That means,

1 year = 52 weeks

According to the question:

As, Rena earns in 52 weeks = $50,768

So, Rena earns in 1 week = \frac{\$ 50,768}{52}

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Therefore, Rena's weekly gross earnings are $976.31.

4 0
3 years ago
What is 4 raised to the third power​
Andre45 [30]

Answer:

4³=64

Step-by-step explanation:

A number raised to a power implies the repeated multiplication of that number by itself to the value of its power.

Hence, four raised to the third power means multiplication of 4 by itself 3 times( 3 being the value of its exponent).

》 4×4×4=64

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Afina-wow [57]

Answer:

She walked 10 blocks

Step-by-step explanation:

8 0
3 years ago
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The way to solve the question is by dividing 2 and 32 = 16
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