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marishachu [46]
3 years ago
9

How do I work this out?

Mathematics
1 answer:
Maslowich3 years ago
7 0
Here is the work and the answers. Hope this helps! Message for any conversations.

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y = -16x2 + 32x - 10 This parabola has x-intercepts, representing the times when the dolphin's height above water is feet.
Lina20 [59]
Answer: This parabola has 0.3875 x-intercepts,
<span>representing the times when the dolphin's height above water is </span>
0 feet.

The x-intercept is the point where the graph crosses the x-axis, which is when the value is y=0. 
The calculation for y=0 would be
<span>Y = -16x2 + 32x - 10
</span><span>0 = -16x2 + 32x - 10
</span>-8x2 + 16x - 5=0

-b +-√(b^2-4ac)  /2a=
-16 +-√(16^2-4(-8)(-5))  /2(-8) =
-16+- √(256-160/ -16 =
-16+- √(96/ -16 =
-16+- 9.8/ -16 =
x1= 0.3875
x2= -1.6125
6 0
3 years ago
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Explain the difference between common and preferred stock? List the advantages and disadvantages of each.
Arturiano [62]

Common Stock :

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→ Have voting privileges, whereas holders of preferred stock may not.

→ Most common stock gives owner one vote per number of shares owned.

Preferred Stock :

→ Preferred stock is generally considered less volatile than common stock.

→ Preferred stockholders generally do not have voting rights.

Both common stock and preferred stock have their advantages.

When considering which type may be suitable for you, it is important to assess your financial situation, time frame, and investment goals.

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REUPLOAD! Could you help me with these questions? They are solving and listing 1 of 4 properties. Please don't waste my points.
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First columns distributive property 14xy and 48z

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An exercise machine with an original price of $626 is on sale at 20% off
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Step-by-step explanation:

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Find the area of this rectangle <br> 13cm 8cm
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Answer:

104 cm squared

Step-by-step explanation:

none.

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