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2 years ago

GHF is congruent to KHJ, what can you conclude?

Mathematics

2 answers:

Hitman42 [59]2 years ago

8 0

The answer is a. Because because congruent angles are equal. if they are equal and start at the center of a circle this means that they can only travel the same distance before hitting border of circle. this would make their arcs the same

choli [55]2 years ago

8 0

A is correct.

By the corresponding congruent triangles, the segments and arc's henceforth must be congruent.

Hope that helps!

:D®

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Vilka [71]

Answer:

We conclude that the machine is under filling the bags.

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 436.0 gram

Sample mean, $\bar{x}$ = 429.0 grams

Sample size, n = 40

Alpha, α = 0.05

Population standard deviation, σ = 23.0 grams

First, we design the null and the alternate hypothesis

$H_{0}: \mu = 436.0\text{ grams}\\H_A: \mu < 436.0\text{ grams}$

We use one-tailed(left) z test to perform this hypothesis.

Formula:

$z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }$

Putting all the values, we have

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Now, $z_{critical} \text{ at 0.05 level of significance } = -1.64$

Since,

$z_{stat} < z_{critical}$

We reject the null hypothesis and accept the alternate hypothesis. Thus, we conclude that the machine is under filling the bags.

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3 years ago

Can anyone start me off on this? its trigonometric ratios

Alexxx [7]

Answer:

The angle is about 30.27 degrees.

Step-by-step explanation:

Use the trig ratio cosine because you are given the adjacent leg and the hypotenuse.

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