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Andreyy89
3 years ago
8

Can u help me find the Answer

Mathematics
1 answer:
den301095 [7]3 years ago
7 0

-20x-16

= -4(5x + 4)

I think 4 ×-5 = -20x

4×-4 = -16x

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H=7+44t-16^2
zalisa [80]

Answer:

When t=2.1753 & t=.5746 , h=27

Don't worry, I got you. Also, my calculator does too.

We set h equal to 27, because we want the height to be 27 when we solve for t.

That leaves us with:

27 = 7 + 44t - 16t^2

Simplify like terms,

20 = 44t - 16t^2

Move 20 onto the right side, so we can use quadratic equation

44t - 16t^2 - 20 = 0 --> -16t^2 + 44t - 20

Using quadratic, you get

t=2.1753 & t=.5746

<u>poster confirmed : "It’s t=2.18 and t=0.57"</u>

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2 years ago
Errors in an experimental transmission channel are found when thetransmission is checked by a certifier that detects missing pul
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Answer:

As shown below

Step-by-step explanation:

Given that when X denotes the errors in an experimental transmission channel, when checked by a certifier that detects missing pulses. follows the cumulative density function as given below:

F(x) = 0, 0

(a) P(X \leq  4) =F(4) = 0.9\\(b) P(X > 7)=1-F(8) = 0\\(c) P(X \leq  5)=F(6) = 0.9 \\(d) P(X> 4)=1-F(4)=1-0.9=0.1 \\(e) P(X \leq  2)=F(3) = 0.7

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What is the Contra Positive to: If a figure is a Pentagon then it has 5 sides?​
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if \: your \: paradox \: is \: true \\  \: then \: you \: are \: wrong

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3 years ago
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i

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ba

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