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Art [367]
2 years ago
8

10 - 2(3p - 6) How do I evaluate this?

Mathematics
1 answer:
valentina_108 [34]2 years ago
3 0

Answer:

−6+22

Step-by-step explanation:

1. Distribute

10−2(3−6)

10−6+12

2. Add the numbers

10- 6+12

22-6

3. Rearrange Terms

22+6

-6+22

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a point on a perpendicular bisector is 7cm from each endpoint of the bisected segment and 5cm from the point of intersection. Wh
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Answer:

  about 9.80 cm

Step-by-step explanation:

The length of half the segment (h) can be found from the Pythagorean theorem:

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3 years ago
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A manufacturer of banana chips would like to know whether its bag filling machine works correctly at the 436.0 gram setting. It
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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

z_{stat} = \displaystyle\frac{429 - 436}{\frac{23}{\sqrt{40}} } = -1.92

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

Since,  

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