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Free_Kalibri [48]
2 years ago
10

|

Mathematics
1 answer:
alekssr [168]2 years ago
4 0

Answer: the answer is infinite solutions

Step-by-step explanation:Systems of Equations Level 1:

Question 1

Two linear equations are given below.

Exactly how many solutions does this system of equations have?

Select one:

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A jar is filled up with buttons of various colors. Of the jar has a total of 875 buttons and 52% of buttons are green, how many
laiz [17]
Since 52% is the same as 52/100, we can multiply 875 by 52/100 in order to find the green buttons. 
52/100(875) = 455 
455 green marbles

3 0
3 years ago
The information systems department of your firm has developed a new database program to store critical information on point of s
artcher [175]

Step-by-step explanation:

x'=53

σ=16

n=144

a) hypothesis

H0:µ=55

Ha:µ<55

This is a left tailed test

b) Test statistics

  • z=(x'-u)/(sigma/sqrt {n})

=(53-55)/(16/sqrt{144})

=-1.5

c)Pvalue at z=|-1.5|

pvalue= p(z>1.5)

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<u>Decision</u>

since pvalue>alpha(0.05) fail to reject the null hypotheis.

<u>Conclusion</u>

There is not sufficient evidence to support the claim the new computer program has not reduce the time to retrieve the data.

d)since Pvalue>alpha(0.025),so fail to reject the null hypothesis.

No, change in conclusion.  

4 0
2 years ago
Simplify the product using distributive property (3p+2)(5p-1)
solniwko [45]
(3p+2)(5p-1)
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=15p^2+7p-2
=C
7 0
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Read 2 more answers
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47 is the answer
6 0
3 years ago
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PLEASE HELP!! 15 POINTS!!!
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Answer:

−38 227/512

Step-by-step explanation:

8 0
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