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dybincka [34]
3 years ago
13

What’s the probability that you will fail a 10 question test if you Christmas tree it?

Mathematics
1 answer:
topjm [15]3 years ago
4 0
What does that even mean? can you re-word the question please?
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Find the value of given expression<br><br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B230%20-%205%7D%20" id="TexFormula1" tit
Zarrin [17]

Answer:

i think it is 345 but not sure

Step-by-step explanation:

6 0
3 years ago
In order to determine whether or not there is a significant difference between the mean hourly wages paid by two companies (of t
dybincka [34]

Test statistic = (mean 1 - mean 2) / sqrt( dev1/n1 + dev2/n2)

Mean 1 = $16.75

mean2 = $16.25

dev1 = $1.00

dev2 = $0.90

n1 = 80

n2 = 60

Test stat = (16.75 - 16.25) / sqrt(1/80 + 0.95/60)

Test stat = 3.01

The answer is B. 3.01

8 0
3 years ago
A 9-kg of mangoes for 12$_____per kg
enot [183]
If 9kg costs 12$, then a single kg costs around 1.3$

This is done with a simple proportion

9 : 12 = 1 : X
x = 12/9
x = 1.33
5 0
3 years ago
Solve the system graphically:<br> y+3x=0<br> x−y=4<br> x+y=−2
garik1379 [7]

Answer:

x = 1, y = -3

Step-by-step explanation:

see graph above ^

5 0
3 years ago
Please help with 3! i don’t know how to graph it or work it out
saveliy_v [14]
It would be like this , this is how you would graph it

8 0
3 years ago
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