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sladkih [1.3K]
2 years ago
8

QUESTION ON PIC !THX

Mathematics
1 answer:
Aliun [14]2 years ago
4 0

Answer:

Step-by-step explanation:

The original price was 43 dollars

The new price is 55/100 * 43

The new price is 2365/100

The new price is 23.65 dollars

2365 came from multiplying 43 * 55 which is 2365

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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

3 0
2 years ago
URGENT AGAIN
ycow [4]

Answer:

so I dont think that my answer is right but since his salary was 80000 last year but he got a raise of 10% then he got 8000 more so then he got 88000 in total but then they took away $80000 so<u> I think</u> they took away 90%

5 0
3 years ago
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Answer:

b

Step-by-step explanation:

a. makes 3v + 4 and 3v + 12

c. -6 and -10

d. 5x - 1 and 5x - 2

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The correct ratio is 12:27
hope this helps
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Her weekly allowance is $16, 14-6= 8 x2 = $16
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