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aleksley [76]
3 years ago
9

Hello! this is function or no?

Mathematics
2 answers:
Sergeeva-Olga [200]3 years ago
8 0

Yes, they are both functions.

aleksley [76]3 years ago
8 0

they are both functions.. when i was taking algebra my teacher taught me the straight edge trick.. you take a ruler and run it across the graph, if the ruler touches more than one point on the graph at one time, it is not a function.. but since the ruler did not touch more than one point at one time on both of these, they are both functions.

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No chi-square The principal in Exercise 7 also
larisa [96]

The random sample of the students is an illustration of sampling

The chi-square test for goodness of fit is inappropriate because the variable under study is not categorical.

<h3>How to determine the reason chi square is not appropriate?</h3>

The dataset is given as:

Monday        34

Tuesday       29

Wednesday   32

Thursday        28

Friday             19

The variable of the above dataset is a not a categorical dataset.

One of the conditions of the chi-square test for goodness of fit test is that the variable under study must be categorical.

Hence, the chi-square test for goodness of fit is inappropriate because the variable under study is not categorical.

Read more about chi-square test at:

brainly.com/question/19959558

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2 years ago
Solve the following by factoring 4x² + 12 =7x
LiRa [457]

Answer:

4x² + 12 = 7x

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use the quadratic formula and get your answer!

Step-by-step explanation:

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3 years ago
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1 year ago
Yoga classes are offered 2 days a week for 6 weeks at both the community center and the local gym. The cost for the classes at t
s344n2d4d5 [400]

Regina can take yoga classes at community center as it would cost her less money.

Step-by-step explanation:

No. of classes per week = 2

Classes in 6 weeks = 2*6 = 12 classes

Cost of classes at community center = $72

Additional one time fee = $12

Total cost at community center = 72+12 = $84

Cost per class at local gym = $8

Cost of 12 classes = 12*8 = $96

Regina can take yoga classes at community center as it would cost her less money.

Keywords: addition, multiplication

Learn more about addition at:

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6 0
3 years ago
What percent of 80 is 16
igor_vitrenko [27]

Answer:

20

Step-by-step explanation:

set a proportion

16               x

____  = ______

80           100

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x=1600/ 80=20

7 0
3 years ago
Read 2 more answers
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