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faust18 [17]
2 years ago
14

What does Y= what does z=

Mathematics
1 answer:
Paraphin [41]2 years ago
5 0

Answer:

Hope the picture will help you

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Rewrite the equation by completing the square x^2-4x=0
Dmitriy789 [7]

Answer:

(x+2)(x-2) = 0

Step-by-step explanation:

7 0
2 years ago
What number must you add to complete the square?
emmasim [6.3K]
X^2 + 2x = -1......take half of ur x term (2x), and square it. So we take half of 2, which is 1, and square it....1^2 = 1....so u would add 1 to both sides
8 0
3 years ago
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Suppose that the ages of members in a large billiards league have a known standard deviation of σ = 12 σ=12sigma, equals, 12 yea
asambeis [7]

Answer:

n\geq 23

Step-by-step explanation:

-For a known standard deviation, the sample size for a desired margin of error is calculated using the formula:

n\geq (\frac{z\sigma}{ME})^2

Where:

  • \sigma is the standard deviation
  • ME is the desired margin of error.

We substitute our given values to calculate the sample size:

n\geq (\frac{z\sigma}{ME})^2\\\\\geq (\frac{1.96\times 12}{5})^2\\\\\geq 22.13\approx23

Hence, the smallest desired sample size is 23

3 0
3 years ago
7x+3+6x+11 i need help solving this problem
____ [38]
Step-by-step solution:

7x + 3 + 6x + 11 = 0

7x + 6x + 11 + 3 = 0

13x + 11 + 3 = 0

13x + 14 = 0

13x = 0 - 14

13x = -14

x = -14 / 13

x = -1.077 approx.




Hope it helped,



BioTeacher101
8 0
3 years ago
Find an equation of the ellipse that has center (-2,0), a minor axis of length 2, and a vertex at (8,0)
Viefleur [7K]

Answer:

Step-by-step explanation:

(-2,0) and (8,0) are horizontally aligned, so the ellipse is horizontal.

6 0
3 years ago
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