3 years ago

Find the sum (7n+5)+(-2-4m)+(9m+3n)

Mathematics

1 answer:

yanalaym [24]3 years ago

3 0

Answer: 5m+10n+3

Step-by-step explanation:

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2 years ago

You buy Apple stock for $120 per share over a period of time the stock value increased at a weekly rate of 5% you sell the stock

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Answer:

8.31 weeks

Step-by-step explanation:

Given that the cost of one share of Apple stock, C=$120

Rate is the increment of the stock value, R= 5%/week=0.05 / week.

Assuming that after t week, the stock has been sold for $180.

Since the stock value increased at 5% every week, so, the interest is compounded weekly, so

$S=C\left(1+R\right)^t \\\\ \Rightarrow 180 = 120\left(1+0.05\right)^t \\\\ \Rightarrow 180 = 120\left(1.05 )^t \\\\$

$\Rightarrow \frac{180}{120}=1.05^t \\\\\Rightarrow 1.5=1.05^t$

$\Rightarrow \ln(1.5)=t \ln(1.05)$ [taking log both sides]

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Hence, after 8.31 weeks the stock has been sold for $180.

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3 years ago

−4=−4p<br><br> what is the value of p

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p=1

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$-4=-4p\\-4+4p=0\\4(p-1)=0\\p-1=0\\p=1$

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3 years ago

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