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Andrew [12]
3 years ago
12

Find the focus. x2 = 6y A. (0, 3/2) B. (0,6) C. (0, -3/2) D. (3/2,0)

Mathematics
1 answer:
IRISSAK [1]3 years ago
4 0

Answer:

Step-by-step explanation:

its A

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A shuttle launch depends on three key devices that may fail independently of each other with probabilities 0.01, 0.02, and 0.02,
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0.950796

Step-by-step explanation:

Given that a shuttle launch depends on three key devices that may fail independently of each other with probabilities 0.01, 0.02, and 0.02, respectively.

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Since each key device is independent of the other

we have

prob that all three do not fail = (1-0.01)(1-0.02)(1-0.02)\\=0.99*0.98*0.98\\=0.950796

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Step-by-step explanation:

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2 years ago
Which number sentence is not true?
Burka [1]

Answer:

Option B

Step-by-step explanation:

|-1| \neq -1

|-1| = 1

8 0
2 years ago
The width and the length of a rectangle are consecutive even integers. If the width is decreased by 3 inches, then the area of t
Radda [10]
37.......................................
7 0
3 years ago
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A recent poll of 80 randomly selected Californians showed that 38% ( = 0.38) believe they are doing all that they can to conserv
Elanso [62]
The margin of error given the proportion can be found using the formula

z* \sqrt{ \frac{p(1-p)}{n} }

Where
z* is the z-score of the confidence level
p is the sample proportion
n is the sample size

We have
z*=2.58
p=0.38
n=80

Plugging these values into the formula, we have:
2.58 \sqrt{ \frac{0.38(1-0.38)}{80} } =0.14

The result 0.14 as percentage is 14%

Margin error is 38% ⁺/₋ 14%
8 0
3 years ago
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