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Bond [772]
3 years ago
11

N? - 16n+63 n² – 2n– 35 How would u solve this

Mathematics
1 answer:
zzz [600]3 years ago
4 0
<h2>✨✨✨✨✨✨✨✨✨✨✨</h2><h2><em>hope it helps you see the attachment for further information..... </em></h2>

<em>✨</em><em>✨</em><em>✨</em><em>✨</em><em>✨</em><em>✨</em><em>✨</em><em>✨</em><em>✨</em><em>✨</em><em>✨</em><em>✨</em><em>✨</em><em>✨</em><em>✨</em><em>✨</em><em>✨</em>

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Ten students enter a math contest. In how many ways can 1st, 2nd, and 3rd place trophies be awarded?
IrinaVladis [17]

After one of them is chosen for 1st, there are only 9 choices for 2nd, and then there are only 8 choices for 3rd... and so on. There are 720 different ways to pick 1st, 2nd, and 3rd place from among 10 original students

4 0
3 years ago
In June, a runner ran a mile in 7:45. In September, the runner ran a mile in 5:51. Is the percent of change in time an increase
Jobisdone [24]
Since it takes less time in September than in June, this is a DECREASE.  The percent decrease.  The time is different by 114 seconds, divide this by the original time of 465 seconds and then convert to a percent, by multiplying by 100.  You should get 114/465 = 0.245 then x 100 = 24.5% decrease.
5 0
3 years ago
Let X be an exponential random variable with parameter 2. Find the CDF of X . Express your answer in terms of x using standard n
erastovalidia [21]

Answer:

F(x,\lambda) = 1-e^{2x}     for      x\geq0

and   F(x,\lambda) = 0    for   x

Step-by-step explanation:

Remember that the CDF of an exponental random variable is given by

F(x,\lambda) = \left \{ {{1-e^{\lambda x}  \ \  \ \ \  x\geq 0} \atop {0}  \ \ \ \ \ \  \ \ \ \ \ x

where   \lambda   is the parameter.  In this case    \lambda =  2  so, for this case

F(x,\lambda) = \left \{ {{1-e^{2x}  \ \  \ \ \  x\geq 0} \atop {0}  \ \ \ \ \ \  \ \ \ \ \ x

7 0
3 years ago
What is the perimeter of a rectangle?
Ilia_Sergeevich [38]

Answer:

Step-by-step explanation:

length = l  ;width = w

Perimeter of rectangle = sum of all sides

                                      =  l + w + l +w

                                      = 2l + 2w

                                       = 2*(l +w )

5 0
3 years ago
a student named sarah hill follow the steps below to find her magic number 1 find the number of letters in her first name 2 find
Nata [24]
Her magic number is 126.
4 0
3 years ago
Read 2 more answers
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