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mrs_skeptik [129]
3 years ago
10

Which linear equations have one solution? Check all that apply.

Mathematics
2 answers:
jonny [76]3 years ago
6 0

Answer:

5x - 1 = 3(x + 11)- Has one solution

4(x-2) + 4x = 8(x -9) 0- Has one solution

4(x - 6) + 4 = 2(x - 3)- Has one solution

2(x - 4) = 5(x - 3) + 3- Has one solution

2(x - 1) + 3.x = 5(x - 2) + 3​- Has no solution

Naddik [55]3 years ago
5 0

Answer:

A.C.D  

Step-by-step explanation:

B And E are wrong edgen 2021

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8 0
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A company invests $32000. after 4 years of growth at the same rate each year, the investment is worth $42692. find the annual gr
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6 0
2 years ago
A company claims that the mean weight per apple they ship is 120 grams with a standard deviation of 12 grams. Data generated fro
Veronika [31]

Answer:

There is no sufficient evidence to reject the company's claim at the significance level of 0.05

Step-by-step explanation:

Let \mu be the true mean weight per apple the company ship.  We want to test the next hypothesis

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Because we have a large sample of size n = 49 apples randomly selected from a shipment, the test statistic is given by

Z=\frac{\bar{X}-120}{\sigma/\sqrt{n}} which is normally distributed. The observed value is  

z_{0}=\frac{122.5-120}{12/\sqrt{49}}=1.4583. The rejection region for \alpha = 0.05 is given by RR = {z| z < -1.96 or z > 1.96} where the area below -1.96 and under the standard normal density is 0.025; and the area above 1.96 and under the standard normal density is 0.025 as well. Because the observed value 1.4583 does not fall inside the rejection region RR, we fail to reject the null hypothesis.

5 0
3 years ago
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