3 years ago

2x+3y+3x it has me write more but thats my whole problem lol

Mathematics

1 answer:

postnew [5]3 years ago

5 0

Answer:

If we simplify, 5x+3y

Step-by-step explanation:

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3 years ago

10=12-x what would match this equation

Eddi Din [679]

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3 years ago

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If f(x) = 2x – 5 and g(x) = x +4, then f(g(2)) =

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Answer:

Step-by-step explanation:

f(g(2))

f(x+4) and you would replace x with two, so you would get

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3 years ago

Since an instant replay system for tennis was introduced at a majorâ tournament, men challenged 1399 refereeâ calls, with the re

prohojiy [21]

Answer: The value of test statistic is 0.696.

Step-by-step explanation:

Since we have given that

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Similarly,

$n_2=759, x_2=211\\\\p_2=\dfrac{x_2}{n_2}=\dfrac{211}{759}=0.278$

At 0.01 level of significance.

Hypothesis are :

$H_0:P_1=P_2=0.5\\\\H_a:P_1\neq P_2$

So, the test statistic value would be

$z=\dfrac{(p_1-p_2)-(P_1-P_2)}{\sqrt{\dfrac{P_1Q_1}{n_1}+\dfrac{P_2Q_2}{n_2}}}\\\\z=\dfrac{0.294-0.278}{\sqrt{0.5\times 0.5(\dfrac{1}{1399}+\dfrac{1}{759})}}\\\\z=\dfrac{0.016}{0.023}=0.696$

Hence, the value of test statistic is 0.696.

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3 years ago