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Leto [7]
4 years ago
14

HELP PLEASE ASAP

Mathematics
1 answer:
kondaur [170]4 years ago
8 0
Answer: D. $3,450
Given: 2,500 shares of a stock bought for $8 a share
<span>Probabilities:  the stock will rise to a value of $32 a share is 22%</span>  <span>                                                the stock will fall to $3 a share is 78%</span>
<span>Question: What is the expected value of the investor’s profit from buying the stock?</span>
Solution: (22%(32-8)-78%(8-3))2500
                (.22(24)-.78(5))2500
                (5.28-3.9)2500
                (1.38)2500
                3450
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f 4 adult females are randomly​ selected, find the probability that they have pulse rates with a mean less than 81 beats per min
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Step-by-step explanation:

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3 years ago
The height of the tunnel at the center is 35ft, and the vertical clearance must be 21 ft at a point of 8ft from the center. Find
Zinaida [17]

Answer:

y=-0.215x^2+35

Step by Step:

Let, h=0,  k=35, x=8, y=21

We know that, the general equation of the parabola.

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Substitute the  value of h, k, x, y in equation (i) and find the value of a.

  21=a(8-0)^2+35

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y=-0.215x^2+35

8 0
3 years ago
If &lt; A and &lt; B are vertical angles, and &lt; A = 2x - 11 degrees, and &lt; B = x + 7 degrees, find x.
Tema [17]

Answer:

x=18

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Vertical angles are congruent. This means that they are equal to each other. So, to solve set them equal to each other and isolate x. First, set up the equation. Then, subtract x from both sides. Finally, add 11 to both sides and simplify.

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7 0
3 years ago
Pleassdee need help I'll brainlist ​
NikAS [45]

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A^2 means a*a

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5 0
3 years ago
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