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kompoz [17]
3 years ago
6

What is 9x^7/27^3 simplified

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
6 0

Answer:

x^7/2187.

Step-by-step explanation:

9x^7/27^=

9x^7/19683 =

x^7/2187 =

x^7/2187.

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What is the remainder when 19x^2+15x+12 is divided by x-2?
lozanna [386]

Answer:

118

Step-by-step explanation:

8 0
3 years ago
There are 2 cups in one pint how many cups are in 5 pints
olga nikolaevna [1]
There will be 10 cups in 5 pints because it went by to 5x2=10 and there is 2 cups so its 5 in 2 cups = 10
hoped this helped.
7 0
3 years ago
During a period of 11 years 737737 of the people selected for grand jury duty were​ sampled, and 6868​% of them were immigrants.
Galina-37 [17]
The formula to set out the lower and the upper margin of a confidence interval when given the proportion (no standard deviation) is

Lower margin = p - Z* √[(pq) ÷ n]
Upper margin  = p + Z* √[(pq) ÷ n]

Where:
p is the sample proportion
q is 1 - p
Z* is the z-score for the confidence level
n is the number size
--------------------------------------------------------------------------------------------------------------

p = (68% of 737) ÷ 737 = 501.16 ÷ 737 = 0.68
q = 1 - p = 1 - 0.68 = 0.32
Z* = 2.58 (refer to the table attached below)
n = 737 

substituting these values into the formula, we have

lower margin = 0.68 - (2.58) √[(0.68×0.32) ÷ 737]
lower margin = 0.68 - (2.58) √(0.0002952510176...)
lower margin = 0.68 - 0.04433180431
lower margin = 0.6357 (rounded to four decimal places)
lower margin = 63.57%

upper margin = 0.68 + 0.04433180431
upper margin = 0.7243 (rounded to four decimal places)
upper margin = 72.43%

The confidence interval is between 63.57% and 72.43%. In other words, we can say that between 63.57% and 72.43% of jury members are immigrant. 

The claim of 69.46% is within the confidence interval, hence we can conclude that the selection of grand jury duty is not biased against the immigrant. 



8 0
3 years ago
Use De Moivre's theorem to express cos 5θ and sin 5θ in terms of sin θ and cos θ.
Sonja [21]
From the de Moivre's we have,
<span>
(cosθ+isinθ)^n=cos(nθ)+isin(nθ)
</span><span>
Therefore, 
</span><span>
R((cosθ+isinθ)^5)=cos(5θ)I((cosθ+isinθ)^5)=sin(5θ)
</span><span>
Simplifying,
</span><span>
cos^5(θ)−10(sin^2(θ))(cos^3(θ))+5(sin^4(θ))(cosθ)=cos(5θ) </span><span>
</span>
7 0
3 years ago
The distance between two villages on a map measures 6 cm. the map has a scale 1:25000.
Sonbull [250]

Answer:

150км надо просто умножить 6 на 25000 потом переводим в километры

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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