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3 years ago

Find the values of x and y

Mathematics

2 answers:

eduard3 years ago

8 0

Answer:

x = 11

y = 70°

Step-by-step explanation:

x + 2 = 13

The lines on each side are corresponding.

11 + 2 = 13

Y is corresponding with the 70° corner.

That means the corresponding corner (y) is also 70°.

julsineya [31]3 years ago

4 0

Answer:

y = 70 degrees

x = 11

Step-by-step explanation:

The side opposite x + 2 is equivalent so they will both be equal to 13.

To get the meaning of x, simply subtract 2 from 13 giving you x = 11.

Y is across from corner C, which is 70 degrees. These angles are equivalent to each other, meaning that angle y is also 70 degrees.

Hope this helps you :)

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nexus9112 [7]

Answer:

a) $t_{crit}=1.34$

b) $t_{crit}=-1.33$

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Step-by-step explanation:

Part a

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df =15

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And we can use the following excel code to find it: "=T.INV(0.9,15)"

Part b

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And we can use the following excel code to find it: "=T.INV(0.1,19)"

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