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Oduvanchick [21]
3 years ago
13

WILL MARK BRAINLIEST IF CORRECT!! What is the difference between constructing a square and constructing an equilateral triangle?

A. For the square construction, the diameter will be used, but for the equilateral triangle construction, the radius will be used. B. For the square construction, the radius will be used, but for the equilateral triangle construction, the diameter will be used. C. The square construction will need two arcs along the circle, but the equilateral triangle construction will need two arcs above and two arcs below the diameter of the circle. D. The square construction will need three arcs along the circle, but the equilateral triangle construction will need two arcs above and two arcs below the diameter of the circle.
Mathematics
2 answers:
miv72 [106K]3 years ago
3 0
D. The square construction will need three arcs along the circle, but the equilateral triangle construction will
need two arcs above and the two arc below the diameter of the circle.
lidiya [134]3 years ago
3 0

Answer:

The square construction will need two arcs along the circle, but the equilateral triangle construction will need two arcs above and two arcs below the diameter of the circle.

Step-by-step explanation:

i took the test

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Number of pounds in 160 ounces
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Since there are 16 ounces in a pound, you can do 160 divided by 16 and get 10 pounds

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OlgaM077 [116]

Answer:

The eastbound train travels at 92 mph and the westbound train travels at 96 mph.

Step-by-step explanation:

We know that Velocity = distance / time

If the eastbound train travels at x miles per hour, the westbound train travels at x + 4 mph.

After 3.5 hours, they are 658 miles apart. If we solve for distance the formula given above we have: Distance = velocity x time. We have that the total distance between both trains is 658 miles.

Substituting the values of the problem and solving for x we have

658 = 3.5x+3.5(x+4)\\658=3.5x+3.5x+14\\644=7x\\92=x

Thus, the eastbound train travels at 92 mph and the westbound train travels at 96 mph.

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3 years ago
The distribution of income tax refunds follow an approximate normal distribution with a mean of $7010 and a standard deviation o
Andrej [43]

Answer:

A refund must be above $7,139 before it is audited.

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

Approximately 68% of the measures are within 1 standard deviation of the mean.

Approximately 95% of the measures are within 2 standard deviations of the mean.

Approximately 99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 7010, standard deviation = 43.

Approximately 99.7% of the measures are within 3 standard deviations of the mean.

The empirical rule is symmetric, which means that the lowest (100-99.7)/2 = 0.15% is at least 3 standard deviations below the mean, and the upper 0.15% is at least 3 standard deviations above the mean.

Use the Empirical Rule to determine approximately above what dollar value must a refund be before it is audited.

3 standard deviations above the mean, so:

7010 + 3*43 = 7139.

A refund must be above $7,139 before it is audited.

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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