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MrMuchimi
3 years ago
12

Need help fast plz .​

Mathematics
1 answer:
zepelin [54]3 years ago
5 0

Answer:

Step-by-step explanation:

i dont know

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Write as an expression and simplify:<br> The square of the difference of x and 8y
lukranit [14]

Answer:

x² - 16xy + 64y²

Step-by-step explanation:

The difference of x and 8y is x - 8y

The square of the difference is (x - 8y)² = (x - 8y)(x - 8y)

Expand by multiplying each term in the second factor by each term in the first factor, that is

x(x - 8y) - 8y(x - 8y) ← distribute both parenthesis

= x² - 8xy - 8xy + 64y² ← collect like terms

= x² - 16xy + 64y²


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THe answe is 6x squared on the number line
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8 Stephanie was doing a science
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A manufacturer is interested in the output voltage of a power supply used in a PC. Output voltage is assumed to be normally dist
kompoz [17]

Answer: hello your question was poorly written but i was able to the get missing parts online which enabled me resolve your question

answer:

a) a = 0.1096

b) 1.89 watts

Step-by-step explanation:

Std of output voltage = 0.25 volt

H0 : μ = 5 volts

Ha : μ ≠ 5 volts

n = 16

a) Acceptance region = 4.9 ≤ X ≤ 5.1  

Determine the value of a

value of a = 0.0548 + 0.0548

                 = 0.1096

<em>attached below is the reaming solution</em>

note : a is a type 1 error

b) power of test

True mean output voltage = 5.1 volts

P = - 1.89 watts

power cant be negative hence the power of the test  = 1.89 watts

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What kind of solution is x(5 - 2) = 4x - x
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Answer:

x=x or it cancels out, it's one of those.

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