Which translation moves a triangle 4 units to the right and 8 units up?

Mathematics

1 answer:

padilas [110]3 years ago

5 0

Step-by-step explanation:

the answer would be A) (X,Y) -----(X + 4, Y + 8)

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The sample mean is x = 12.8%. let x be a random variable that represents the percentage of wheat crop in that county lost to hai

katen-ka-za [31]

Given that $\bar{x}=12.8\%$ and $\sigma=5.0\%$ , given that the population mean is $\mu=11\%$ and the sample size is n = 16, the test statistic is given by

$z= \frac{\bar{x}-\mu}{\sigma/\sqrt{n}} \\ \\ = \frac{12.8-11}{5/\sqrt{16}} \\ \\ = \frac{1.8}{5/4} = \frac{1.8}{1.25} \\ \\ =1.44 \\ \\ \Rightarrow p-value=p(z\ \textgreater \ 1.44) \\ \\ =1-P(z\ \textless \ 1.44)=1-0.92507 \\ \\ =0.07493$

Since the test is a two tailed test, the p-value is 2(0.07493) = 0.14986

Since the p-value is greater the significant level of α = 0.01, thus, we fail to reject the null hypothesis and conclude that there is no sufficient evidence that <span>the percentage of wheat crop lost to hail in that county is different from the national mean of 11%</span>.

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3 years ago

On a scale drawing with a scale of 1/64, the height of a building is 7.8 inches. How tall is the actual building?

Alexxandr [17]

<span>64 x 7.8 = 499.2
499.2 inches</span>

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3 years ago

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Citrus2011 [14]

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