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Nana76 [90]
4 years ago
9

Hey I have an exam tomorrow in my "Statistics for Computer Science" course and I need help on a few problems.. Not sure where to

start on them..
Screenshot of the first two below.. Thanks in advance

Mathematics
1 answer:
Hitman42 [59]4 years ago
4 0
For 1a question can thought as an equation mk+5=27 the k represents any number 1,2,3,...n but you can treat it as k=1 since it is used to find others numbers that can give you x congruent 5(mod m). Any ways so m+5=27 just solve for m and that will give you solution.
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Which of these numbers is a rational number?
Ymorist [56]

Answer:

the answer is A and C

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Let f(x) = {(1, 11), (2, 12), (3, 13), (4, 12)}. Is this a function? *
lidiya [134]

Answer:

It is a function.

Step-by-step explanation:

It is a function because for every given x value you have a different y value.

8 0
3 years ago
Are the functions linearly dependent on the interval (0,1)? y1=sintcost,y2=4sin2ty1=sin⁡tcos⁡t,y2=4sin⁡2t hint: recall that func
VikaD [51]

Answer: hello your question is poorly written attached below is the complete question

answer:

since y1 = 1/2 y2 on ( 0,1 ) the function are linearly dependent on ( 0,1 ) ( B )

Step-by-step explanation:

First step : Determine if y1 and y2  are linearly dependent

interval = ( 0,1 )

Functions: y1 = sin t cost t ,   y2 = 4 sin t

We can verify if these functions are linearly independent or linearly dependent by using the determinate form

attached below is the detailed solution

From the attached solution we can conclude that

y1, y2 is linearly dependent on ( 0,1 )

hence ; since y1 = 1/2 y2 on ( 0,1 ) the function are linearly dependent on ( 0,1 )

4 0
3 years ago
When designing a new school cafeteria, the school administrators planned for there to be twice as many tables in each row as the
AlexFokin [52]

Answer:

D.

Step-by-step explanation:

i belive it will be that baded on the fact it said twice as many rows.

6 0
3 years ago
Going into a recent election, only about 62% of people old enough to vote were registered. In a community of about 55,200 eligib
luda_lava [24]
All we need to do is to divide the number of eligible voters by 62% to find out how many people have been registered:

55200 ÷ 62% =
= 55200 ÷ 62/100 =
= 55200 * 100/62 =
= 5520000 / 62 =
= 89032,25806451613 ≈          (note the rounding to the nearest whole number)
≈ 89032

Doublecheck:

89032 * 62% =
= 89032 * 62/100 =
= 5519984 / 100 =
= 55199,84 ≈                        (the difference is because of the rounding before)
≈ 55200

Answer: There were 89,032 people registered.
4 0
3 years ago
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