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aleksklad [387]
3 years ago
13

H=-16t^2+96t+4solve by factoring​

Mathematics
2 answers:
BigorU [14]3 years ago
8 0

Answer:

t = 3 ± ½√37

Step-by-step explanation:

0 = -16t² + 96t + 4

This isn't factorable, so complete the square or use quadratic formula.  Completing the square:

16t² − 96t = 4

t² − 6t = 1/4

t² − 6t + 9 = 1/4 + 9

(t − 3)² = 37/4

t − 3 = ±½√37

t = 3 ± ½√37

zlopas [31]3 years ago
4 0

Answer:

6 plus or minus square root of 37/2

Step-by-step explanation:

Is the quadratic formula allowed or no?

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Determine whether the following individual event are independent or dependent. Then find the probability of the combined event.
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Answer:

dependent and 1.26

Step-by-step explanation:

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Now the probability of the combined event is as follows

P(Probability of combined event)  is

= P(Event 1) \times P \frac{Event 2}{Event 1}

= \frac{55}{49} \times \frac{54}{48}

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= 1.26

We simply applied the above formula so that we can get the dependency or independency plus the probability of the combined event

                       

5 0
3 years ago
Given: abcd is a rectangle. prove: abcd has congruent diagonals. identify the steps that complete the proof.
DedPeter [7]
Parallel side theorem 
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CPCTC
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Read 2 more answers
What is BC?<br><br> ___ units
oksian1 [2.3K]
Okay. First off, let’s solve for the first two sides, since they are the same length. Set it up like this: 8x - 4 = 5x + 11. Subtract 5x from both sides to get 3x - 4 = 11. Next, add 4 to both sides to get 3x = 15. Now, divide each side by 3 to isolate the x and you get 5. Let’s plug in the values. 8 * 5 = 40 - 4 = 36. 5 * 5 = 25 + 11 = 36. There. x = 5. Now, let’s plug the 5 in to the other formula. 5 * 4 = 20. 20 - 2 = 18. There. BC is 18 units long.
7 0
4 years ago
What is the value of 3×2+4y2 if x=2,y=1, and z=-3
photoshop1234 [79]

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4 0
3 years ago
Help me please asap!
ad-work [718]

Answer:

Step-by-step explanation:

First you must notice each of them share an x value in the exponent. So with that being said x is your GCF or in otherwords greatest common factor.

So you have an x(x^3-6x^2+9x)

you must take x from all of them inside the ( )

because x is your gcf :)

So x(x^2-6x+9) Now you use the trail and method error

to get (x-3 )(x-3 )you need two numbers that multiply to 9 but add up to -6 so... that would hmmm -3 and -3 cause -3*-3=9 and -3+-3=-6

don't forget your GCF bring it down because it's always in your answer

x(x-3)(x-3)

or..

x(x-3)^2 both are the same thing

ANSWER CAN BE

x(x-3)(x-3) OR x(x-3)^2

Both are the same thing just written different! You're welcome!

8 0
4 years ago
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