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kozerog [31]
3 years ago
8

Triangle XYZ has vertexes at X(-4, 5), Y(-3, 5), and Z(-3, 4). Find the measure of angle Y to the nearest degree.

Mathematics
1 answer:
hodyreva [135]3 years ago
8 0
Mark these points on the graph to form a right angled triangle.
Angle Y will be 90 degrees
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Papessa [141]
The answer is a because 552.50 x .12 is 66.30. 66.30 minus 552.50 is 486.50 and that divided by 7 is 69.45

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3 years ago
Pls do this thankuso much​
sergiy2304 [10]

Ans: D

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8 0
1 year ago
A book claims that more hockey players are born in January through March than in October through December. The following data sh
denis-greek [22]

Complete question :

Birth Month Frequency

January-March 67

April-June 56

July-September 30

October-December 37

Answer:

Yes, There is significant evidence to conclude that hockey​ players' birthdates are not uniformly distributed throughout the​ year.

Step-by-step explanation:

Observed value, O

Mean value, E

The test statistic :

χ² = (O - E)² / E

E = Σx / n = (67+56+30+37)/4 = 47.5

χ² = ((67-47.5)^2 /47.5) + ((56-47.5)^2 /47.5) + ((30-47.5)^2/47.5) + ((37-47.5)^2/47.5) = 18.295

Degree of freedom = (Number of categories - 1) = 4 - 1 = 3

Using the Pvalue from Chisquare calculator :

χ² (18.295 ; df = 3) = 0.00038

Since the obtained Pvalue is so small ;

P < α ; We reject H0 and conclude that there is significant evidence to suggest that hockey​ players' birthdates are not uniformly distributed throughout the​ year.

5 0
2 years ago
I will mark brainlist to whoever answers first
Nesterboy [21]

Answer:

its D

Step-by-step explanation:

i did the math ez

6 0
2 years ago
Read 2 more answers
Use a rectangular array to write the product in Standard form 2(x+10=?​
Sladkaya [172]

Hello there!

I hope you and your family are staying safe and healthy during this winter season!

See the attached picture for the answer!

Thanks!

~Garebear

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2 years ago
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