3 years ago

Combine any like terms in the expression. If there are no like terms, rewrite the expression.

Mathematics

1 answer:

Alona [7]3 years ago

6 0

Answer:

2x+x

Step-by-step explanation:

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How many solutions does the equation −6a + 6a + 5 = 8 have? One Two No solution Infinite solutions

umka21 [38]

−6a + 6a + 5 = 8
5 = 8 False

So, No solution.

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3 years ago

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Answer:

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Step-by-step explanation:

Trapazoid ABD was reflected across the y-axis and translated 7 units up

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3 years ago

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Combine like terms. 8y2 + 8(7y2 − 9) =

djverab [1.8K]

Answer:

8 • (8y2 - 9)

Step-by-step explanation:

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3 years ago

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Researchers wondered if there was a difference between males and females in regard to some common annoyances. They asked a rando

Zinaida [17]

Answer:

Step-by-step explanation:

Males proportion $p_1 = \frac{163}{532} =0.3064$

Females proportion $p_2 = \frac{203}{589} =0.3447$

$H_0: p_1 = p_2\\H_a: p_1$

(one tailed test for comparison of proportions)

Test statistic = $\frac{p_1-p_2}{p(1-p)\sqrt{\frac{1}{n_1}+\frac{1}{n_2} } }$

=-1.3641

Here p= combined proportion = $\frac{163+203}{532+589} \\=0.3291$

p value = 0.0869

Since p >0.05, accept null hypothesis.

The evidence does not suggest a higher proportion of females are annoyed by this behavior

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3 years ago