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Verdich [7]
3 years ago
9

Which relation defined by mapping diagram is a function

Mathematics
1 answer:
liq [111]3 years ago
3 0
Hello! A diagram is a function, when the domain of a number only has one range. By looking at this graph, A is eliminated, because 1 has more than one range. Exact same thing with C. The only diagram that shows a function is B, because no domain has more than one range. All of the numbers have one range, and that diagram makes a function. The answer is B.
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I really need help:)))
vovikov84 [41]

Answer:

0.985

Step-by-step explanation:

You can do 1 - 0.015 to solve this problem.

1 - 0.015 = 0.985

Hope that helps!

7 0
2 years ago
Read 2 more answers
What is the answer on this one.
pav-90 [236]

Answer:

On x it is 9, on y it is 37,49

Step-by-step explanation:

8 0
2 years ago
Points (-21, 5) and (-7,y) have a slope of 5. Find the y coordinate of the point.
hjlf

Answer:

80

Step-by-step explanation:

The equation of finding a slope is y2-y1/x2-x1.

y-5/-7-(-21)=5

y-5/-7+21=5

y-5/15=5

y-5=75

y=80

8 0
3 years ago
Three different methods for assembling a product were proposed by an industrial engineer. To investigate the number of units ass
In-s [12.5K]

Answer:

is an attachment

test statistic = 9.87

p value is less than 0.01

Not all means of the three assembly methods are equal

Step-by-step explanation:

the anova table is an attachment

total number of methods = k = 3

number of observations n = 30

for treatment, df = 3-1 = 2

for error, df = 30 -3 (n-k) = 27

sst = 10800, sstr = 4560, sse = 10800-4560 = 6240

we find the mean of squares for error

sse/df of error = 6240/27 = 231.11

mean of squares for treatment = 4560/2 = 2280

test stat

F = 2280/231.11

= 9.8654

using f distribution table;

alpha = 0.05

df = 2 , 27

we get 3.35

h0; no difference in mean

h1; there is difference

9.87 > 3.35 so we reject H0, there is difference in means. all are not equal.

pvalue calculation

using excel,

FDIST(9.8654, 2, 27) = 0.0006078

p value is less than 0.01

we conclude that a. Not all means of the three assembly methods are equal

3 0
3 years ago
Mariam is selling cakes at a summer fete.
irakobra [83]
60*1.50=90
36/90= 40%
7 0
2 years ago
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