I need a full answer please
1 answer:
Answer:
Step-by-step explanation:
The circle equation can be written in terms of x as ...
... y² = 1 - x²
... y = ±√(1 -x²)
The value of y will be positive when we use the positive square root. This expression is only defined for -1 ≤ x ≤ 1.
_____
The absolute value equation can be written as ...
... ±(y +1) = x
We're interested in the positive-going branch of this, so ...
... y + 1 = x
... y = x - 1
This will only be positive for x ≥ 1, so there is no overlap with the graph of the circle. The combined piecewise function definition will look like the expression in the answer section above.
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A.
Since about 95% of a normal distribution falls within two standard deviations of the mean, that leaves 5% that lie without, with 2.5% lying to either side.
b.
About 68% of a normal distribution lies within one standard deviation of the mean, so this probability is about 0.68.
c. You're looking for
such that
Since
occurs for
, it follows that
So there's a probability of 0.10 for having a demand exceeding about 1328 pounds.
Since about 95% of a normal distribution falls within two standard deviations of the mean, that leaves 5% that lie without, with 2.5% lying to either side.
b.
About 68% of a normal distribution lies within one standard deviation of the mean, so this probability is about 0.68.
c. You're looking for
Since
occurs for
So there's a probability of 0.10 for having a demand exceeding about 1328 pounds.
Ava paid $73.20 in sales tax.
Step-by-step explanation:
Given,
Shipping charges = $7.99
Per ounce charges = $30.50
Charges of 40 ounce = 40*Per ounce charges
Charges of 40 ounce = 40*30.50 = $1220
Sales tax = 6%
Amount of sales tax = 6% of charges of 40 ounce
Amount of sales tax =
Amount of sales tax =
Ava paid $73.20 in sales tax.
Keywords: sales tax, multiplication
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