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ExtremeBDS [4]
3 years ago
13

30m^2+27m-20=0. It’s quad

Mathematics
1 answer:
9966 [12]3 years ago
3 0

Answer:

m=−920+−1603129

Step-by-step explanation:

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Complete the ordered pair so it a solution of 2x-5y=13
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2 x - 5y = 13

2 × -1 - 5 × -3 = 13

Answer:
(-1, -3)

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Step-by-step explanation:

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A rental agent claims that the mean monthly rent for apartments on the east side of town is less than $750. A random sample of 1
klio [65]

Answer:

Its statistically significant, that Mean monthly apartment rent in town east <  $ 750

Step-by-step explanation:

Null Hypothesis [H0] : Mean monthly apartment rent in town east = 750

Alternate Hypothesis [H1]: Mean monthly apartment rent in town east < 750

t = (x' - u) / (s / √n)

x' = sample mean = 737

u = population assumed mean = 750

s = standard deviation = 23

n = no. of units in sample

t = (737 - 750) / (23 / √18)  = -13 / 5.4212

= -2.39

t tabulated critical value : for one sided 0.05 significance level, at 17 degrees of freedom = -1.740

t calculated value, -2.39 < t tabulated critical value, - 1.740

We reject the null hypothesis, & state that its statistically significant, that Mean monthly apartment rent in town east < 750

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2 years ago
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