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2 years ago

Two angles are complementary. If on angle measures 71 degrees, what is the measure of the second angle

Mathematics

2 answers:

Diano4ka-milaya [45]2 years ago

7 0

39 degrees angle... :)

nekit [7.7K]2 years ago

7 0

A complementary angle adds up to 90° so 90-71=19°

Hope this helps ;)

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A hypothesis test is to be performed for a population proportion. For the given sample data and null hypothesis, compute the val

liberstina [14]

Answer:

The correct option is a

Step-by-step explanation:

From the question we are told that

The sample size is n = 415

The sample proportion is $\r p = 0.49$

Now

The null hypothesis is $H_o : p = 0.3$

The alternative hypothesis is $H_a : p \ne 0.3$

The test statistics is mathematically evaluated as

$t = \frac{\r p - p }{ \frac{\sqrt{ p (1- p )} }{n} }$

substituting values

$t = \frac{0.49 - 0.3 }{ \sqrt{ \frac{0.3 (1- 0.3 ) }{415} }}$

$t = 8.446$

8 0

3 years ago

HELP!!! DUE TOMORROW!!!

mixer [17]

I think you should try your best and just never get but just always keep trying because if you give up that means you're not track so just keep trying and get it right.

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2 years ago

strojnjashka [21]

For this case we have the variable $x = -3$ :

$A) 6x = 6 (-3) = - 18\\B) 4x = 4 (-3) = - 12\\C) -3x = -3 (-3) = + 9\\D) -7x = -7 (-3) = + 21$

Now, matching each expression with its value we have:

A goes with 4

B goes with 3

C goes with 2

D goes with 1

ANswer:

A goes with 4

B goes with 3

C goes with 2

D goes with 1

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2 years ago

Help asap please, forgot how to do math :)

Sergio039 [100]

Answer:

x = 8

Step-by-step explanation:

A common pythagorean triplet is 7, 8, 9

3 0

2 years ago

Read 2 more answers

Please tell me.. what is 608 divided by 19

ahrayia [7]

Answer:

Step-by-step explanation:

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2 years ago