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Darya [45]
3 years ago
9

A rational expression has been simplified below

Mathematics
2 answers:
gladu [14]3 years ago
7 0
The x which achieve these statement is x=0.

Eva8 [605]3 years ago
6 0

Answer:

All real numbers except 2

Step-by-step explanation:


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Jills fish weighs 8 times as much as her parakeet. Together the pets weigh 63 ounces. How much does the fish way
AVprozaik [17]
63×8 =504 because you are using repeated addition r just regular multiplication
5 0
3 years ago
The mean heigh of American Males is 69.5 inches. The height of the 43 male presidents have a mean 70.78 inches and a standard de
Arisa [49]

Answer:

There is sufficient statistical evidence to suggest that the US presidents are taller than the average American male

Step-by-step explanation:

The given parameters are;

The mean height of American Males, μ = 69.5 inches

The mean height of 43 male presidents, \overline x = 70.78

The standard deviation, s = 2.77 inches

The number of male presidents = 43

The null hypothesis; H₀ μ = \overline x

The alternative hypothesis; Hₐ μ ≠ \overline x

The significance level, α = 0.05

The t test for the sample with unknown population standard deviation is given as follows;

t=\dfrac{\bar{x}-\mu }{\dfrac{s }{\sqrt{n}}}

Therefore, we have;

t=\dfrac{70.78-69.5 }{\dfrac{2.77 }{\sqrt{43}}} \approx 3.0302

The degrees of freedom, df = n - 1 = 43 - 1 = 42

The critical 't' value = 2.0181

Therefore, given that the t test value is larger than the critical-t, we reject the null hypothesis, therefore, there is sufficient statistical evidence to suggest that the US presidents are taller than the average American male

4 0
3 years ago
2x-2y=14 into slope-intercept form
Amiraneli [1.4K]

Answer:

Y=X-7

Step-by-step explanation:

7 0
3 years ago
Square root of 512m^3. show work
ElenaW [278]

The solution would be like this for this specific problem:

√512m³ = √256m² × √2m

= 16 × √2m

I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

6 0
3 years ago
Please help I’m stuck
Nutka1998 [239]

Answer:

96

Step-by-step explanation:

Its a pattern :) BTW can you help with mine please

3 0
2 years ago
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