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3 years ago

THE vertices of ABC are A(-2,2,B(6,2,and c(0,8). The perimeter of ABC is

1 answer:

4 0

Using the distance formula:

AB^2 = (-2-6)^2 = (2-2)^2
      = 64
    AB = 8 units
BC^2 = (6-0)^2 + (2-8)^2
      = 36 + 36
= 72
BC = 6 root 2
AC^2 = (-2-0)^2 + (2-8)^2
= 4 + 36
= 40
AC = 2 root 10

Perimeter = 8 + 6 root 2 + 2 root 10
   = 2 (4 + 3 root 2 + root 10) units

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2 years ago

What percent of 40 is 14?

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2 years ago

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3 years ago

If testing the claim that sigma subscript 1 superscript 2 baseline not equals sigma subscript 2 superscript 2σ21≠σ22, what do w

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Answer:

The statistic for this system of hypothesis is given by:

$F=\frac{s^2_1}{s^2_2}$

If the statistic is equal to 1 then that means $s^2_1 = s^2_2$ and we don't have enough evidence to conclude that the two population variances and deviations are different.

Step-by-step explanation:

System of hypothesis

We want to test if the variation for a group1 is equal to another one 2, so the system of hypothesis are:

H0: $\sigma^2_1 = \sigma^2_2$

H1: $\sigma^2_1 \neq \sigma^2_2$

Calculate the statistic

The statistic for this system of hypothesis is given by:

$F=\frac{s^2_1}{s^2_2}$

If the statistic is equal to 1 then that means $s^2_1 = s^2_2$ and we don't have enough evidence to conclude that the two population variances and deviations are different.

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3 years ago

Please choose the answer that describes the scientific notation for 5,098,000.

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3 years ago