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musickatia [10]
3 years ago
6

What is the value of "x" in 16^2 = x

Mathematics
1 answer:
katovenus [111]3 years ago
7 0

16^2  = 16 * 16  =256

x = 256

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Find the area of the figure. Round to the nearest hundredth when necessary.
Delvig [45]

Answer:

215.20 ft^2

Step-by-step explanation:

The figure has 2 semi-circles.

First we find the area of each circle using the formula \pi r^{2} because that is the area formula for a circle.

The semi-circle to the left gives the diameter which is 22 feet. The radius would be half the diameter thus r=11 for semi-circle one.

Then we are to find the diameter of the second semi-circle. Given the entire length to be 30 feet, 30-22 leaves us with 8 feet as its diameter thus r=4.

Left: r=11

Right: r=4

Then, plugging both into the formula for area of a circle, we get

Left: 380.1327

Right: 50.26548

We must divide each by two because we are only looking for semi-circle which is exactly half the area of a full circle.

Then,

Left: 190.066

Right: 25.1327

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Answer:

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Step-by-step explanation:

The standard error of the mean, for a sample, σₓ is related to the standard deviation, σ, through the relation

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Hence, the standard error in estimating the mean = (0.1 × standard deviation of the distribution)

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Answer:

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Step-by-step explanation:

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Step-by-step explanation: I just added the words in the appropriate places.

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