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babunello [35]
3 years ago
11

I need to know the answers to them

Mathematics
1 answer:
Archy [21]3 years ago
4 0
9. P2 with a tiny 2
10. 18-x
11. K-4
12. Z+12 or 12+X
13. 82g or 82xG
14. N-7
15. 32/X
16. H+7
17. C-31
18. T5 with a little 5
19. R-(7/8)
20. 12T or 12xT or Tx12
21.200n or 200xN or Nx200
Hope that helps
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The cost of off-campus living for U of O students is normally distributed. The Office of the Registrar estimates that on average
evablogger [386]

Answer:

H1 : μ < 1225

Step-by-step explanation:

The alternative hypothesis in carrying out a statistical test could be explained as a notion which aims to displace or rival an initial position, the null hypothesis.

When declaring an hypothesis, the statement compares the initial or population mean in the hypothesis statement and not the result or outcome of the sample statistic.

In the scenario above :

The null is of the notion that :

H0 : μ = 1225 ;

Hence, the stance of the alternative which is that the mean is lower or less will be written as :

H1 : μ < 1225

6 0
3 years ago
Help 15 points!!!!!!!!!!!!!!!!!!!!!
Svetllana [295]

Answer:

see explanation

Step-by-step explanation:

Using the tangent ratio in the right triangle

tan A = \frac{opposite}{adjacent} = \frac{BC}{AC} = \frac{7}{8} , then

∠ A = tan^{-1} (\frac{7}{8} ) ≈ 41° ( to the nearest degree )

The sum of the angles in the triangle = 180° , then

∠ B + 41° + 90° = 180°

∠ B + 131° = 180° ( subtract 131° from both sides )

∠ B = 49°

Using Pythagoras' identity in the right triangle

AB² = BC² + AC² = 7² + 8² = 49 + 64 = 113 ( take square root of both sides )

AB = \sqrt{113} ≈ 10.6 ( to the nearest tenth )

3 0
3 years ago
Latrina received 18 letters and 8 bills. What is the ratio of bills to letters?
kolbaska11 [484]

Answer:

8 to 18

Step-by-step explanation:

8 to 18

7 0
3 years ago
Read 2 more answers
What is the quotation -4/5 divided by 2
rodikova [14]

Answer:

-0.4

Step-by-step explanation:

5 0
2 years ago
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Find the intercepts: x+5y= -5
devlian [24]
X=-5 and y=1

you would replace the letter x or y with zero to find the intercept.
5 0
3 years ago
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