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KiRa [710]
3 years ago
9

A while ago, Lindsey bought shares of stock in a high-tech firm. At that time, the selling price was $5 per share. According to

today's newspaper, a share is currently worth 80% less. What is the current value of one share? ​
Mathematics
1 answer:
Andru [333]3 years ago
7 0

Answer:

$1.00

$5.00 × .8= 4.00

5.00-4.00= 1.00

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Write the equation of the line perpendicular to y=-1/4x-7 that passes through the point (3,-2)
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Which is the best estimate of the difference between
Romashka-Z-Leto [24]

Answer:

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3 years ago
Find the amplitude of y = -4 sin x.
Kisachek [45]

Answer: The amplitude is 4.

Step-by-step explanation:

Given the form of the sine function:

y=Asin(Bx)+k

Where |A| is the amplitude, \frac{2\pi }{B} is the period and "k" is the vertical shift of the wave.

You know that, in the sine function given ( y = -4 sin x), you can identify the amplitude and the period. These are:

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     |A|=|-4|=4

  • And the period is:

      \frac{2\pi }{1}=2\pi

Therefore, the amplitude of  y = -4 sin x is:

|A|=4

6 0
4 years ago
a man invested a total of $3,000 in two investments. he made a profit of 3% on the first investment and 4% on the second investm
klio [65]
Let the first investment be x
and second be 3000-x

so 3%of x + 4% of (3000-x) = 107
By solving x = 1300 

First investment is 1300
second investment is 1700
7 0
4 years ago
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