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bezimeni [28]
3 years ago
14

What is equivalent to -1/4 - 5/3

Mathematics
1 answer:
Stolb23 [73]3 years ago
7 0

-3/12 - 20/12 is equivalent to -1/4 - 5/3

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You measure 25 turtles' weights, and find they have a mean weight of 31 ounces. Assume the population standard deviation is 12.8
Firlakuza [10]

Answer:

Margin of error = 4.21 ounces  

Step-by-step explanation:

According to the Question,

  • Given That, You measure 25 turtles' weights, and find they have a mean weight of 31 ounces. Assume the population standard deviation is 12.8 ounces

Therefore, Sample mean = 31 ounces  ,  Sample size(n) = 25 , Alpha(α) = 0.10 & Population standard deviation(σ) = 12.8 ounces

  • Thus, Margin of error  = Z_{critical} × σ / √n  (Z_{critical} at α=.010 is 1.645)

Putting The Values, We get

1.645 × (12.8 / √25 ) ⇒ 4.2112 ≈ 4.21

Thus, the maximum margin of error associated with a 90% confidence interval for the true population mean turtle weight is 4.21 ounces

8 0
3 years ago
What is the value of x^6+y^2x 6 +y 2 x, start superscript, 6, end superscript, plus, y, squared when x=1x=1x, equals, 1 and y=11
Scrat [10]

Try 122.

<h3 />

Step-by-step explanation:

Since <em>x</em> = 1, x^6 = 1.

Since <em>y</em> = 11, 11^2 = 121.

1 + 121 = 122.

<h3 /><h3>So, the value of <em>x</em> ^ 6 + <em>y </em>^ 2 = 122.</h3><h3 />
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3 years ago
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Where does 3.5 belong o the venn diagram
Nadusha1986 [10]

Answer:

I think i would be c or a but im not sure

step-by-step explanation:

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3 years ago
Help me please<br> cant tell which of the rest is right or not
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Answer:

its the first leftover box goes to the right, the other one goes left.

Step-by-step explanation:

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3 years ago
Reduce with same digit: 34 /51 =??
Tems11 [23]
Use the given functions to set up and simplify 34/51
the answer is 2/3
7 0
3 years ago
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