Use the graph of y=sin2θ to find the value of sin2θ for θ=Π/4 a. -1 b. 0 c. .5 d. 1

Mathematics

1 answer:

myrzilka [38]3 years ago

7 0

Answer:

if im not wrong the answer should be 1

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A levee protects a town in a low-lying area from flooding. According to geologists, the banks of the levee are eroding (wearing

Cloud [144]

Answer:

The signed number that indicates how much of the levee will erode during the next decade is:

-30 feet

Step-by-step explanation:

a) Data and Calculations:

Erosion rate of the banks of the levee = 3 feet per year

For 10 years, if nothing is done to correct the problem, the eroded banks will be equal to 10 * 3 = 30 feet

Therefore, the signed erosion in the next decade is -30 feet.

b) The quantity of erosion can be given as the number of years involved without correction, multiplied by the rate of erosion per year. This implies that the quantity of erosion depends on the number of years and the rate of erosion per year.

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2 years ago

Simplify 3^2 + 1 * 2

inessss [21]

Answer:

3×3+1×2

9+2

11 is the answer

6 0

3 years ago

Read 2 more answers

Which statements best describe the dot plot or box plot? Check all that apply

Sveta_85 [38]

Answer:

<h2>The box plot is the only display that can be used to show the variability of the data.</h2><h2>The median appears clearly on the box plot at the line within the box: 10.</h2>

Step-by-step explanation:

When we want to represent variability, we use a box plot instead of a dot plot, because the box plot allow us to observe the range of the data set, that is, the minium and the maximum value.

Remember that variability is about the spread of the dataset, and the range is a measure that can give a pretty good idea of it, shown by a box plot.

Therefore, the last hoice is correct.

On the other hand, according to the dot plot, the median is 10, because there are 13 total values, where the central value is 10.

Therefore, the second choice is correct.