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KiRa [710]
2 years ago
15

Can someone explain how to do this? thank you

Mathematics
1 answer:
ella [17]2 years ago
7 0

Answer:

В (50°)

Step-by-step explanation:

m∠XWY=180-95=85°

x=180-(m∠XWY+m∠XYW)=180-(85+45)=50°

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Write the following numbers in ascending order (from smallest to largest): 1.2, 3%, 3/5, 0.3, and -1 1/3. ​
SSSSS [86.1K]

Answer:

-1 1/3, 0.3, 1.2, 3/5,  3,  

Step-by-step explanation:

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2 years ago
A researcher wanted to determine whether certain accidents were uniformly distributed over the days of the week. The data show t
Cloud [144]

Answer:

Chi-square = 4.600

Degrees of freedom= 6

there is no evidence to reject hypothesis.

Step-by-step explanation:

H₀ : uniformly distributed

H₁: not uniformly distributed                            

Suppose some value of observed or expected frequency  

Observed frequency : 39 40 30 40 41 49 41     Total: 280

Expected frequency  :  40 40 40 40 40 40 40  Total: 280

Calculated the chi-square value

Chi-square = sigma {(O-E)^2/E}

= 0.025+0.000+2.500+0.000+0.025+2.025+0.025  

 4.600

Degrees of freedom=d f = n-1 = 7-1 = 6

Chi-square for 6 d.f at alpha = 0.05 is 12.59

Chi-square of calculated value < its critical value at alpha = 0.05, we see that there is no evidence to reject hypothesis.

The frequency of Sat is wrongly taken as 41 instead of 51

8 0
3 years ago
How to write the number 63 in four different ways
shtirl [24]
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7 0
3 years ago
Please help me with these two questions!! show work too!
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Answer:

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Step-by-step explanation:

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3 years ago
The factory produces 4 gallons of orange juice for every 24 gallons of apple juice but is use this ratio to answer the question
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Step-by-step explanation:

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