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3 years ago

Find the area of the shaded figure.

Mathematics

1 answer:

ANTONII [103]3 years ago

3 0

Answer:

its easy just count the squares that is touching the outline of the shape and boom

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What is the decimal at the bottom of an element on the periodic table?

attashe74 [19]

Answer:

The atomic mass

Step-by-step explanation:

The decimal at the bottom of an element represents how much one atom of that element weighs.

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3 years ago

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In Spring 2017, data was collected from a random selection of STA 2023 students. One of the questions asked how many hours they

Arte-miy333 [17]

Answer: 0.22

Step-by-step explanation:

We know that the best point estimate for the difference between two population mean is the difference between their sample means.

Given : For the 39 randomly selected upperclassmen, the sample mean was 0.12 and sample standard deviation was 0.42. For the 35 randomly selected underclassmen, the sample mean was 0.34 and the sample standard deviation was 0.87.

Let A denotes the population of upperclassmen and B denotes the population of underclassmen .

$\overline{x}_A=0.12$

$\overline{x}_B=0.34$

Then, the point estimate of the difference in the population mean volunteered between underclassmen and upperclassmen will be :-

$\overline{x}_B-\overline{x}_A=0.34-0.12=0.22$

Hence, the point estimate of the difference in the population mean volunteered between underclassmen and upperclassmen =0.22

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3 years ago

Espen predicted that he would sell 32 baseball caps, but he actually sold 29 baseball caps. Which expression would find the perc

tiny-mole [99]

Answer:C is the answer

Step-by-step explanation:

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at a school carnival , tickets can purchased to participate in different activisties the table shows the total cost for differen

Radda [10]

Answer:

the answer is 4

Step-by-step explanation:

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3 years ago

Write an equation of the form y=a sin bx or y= a cos bx to describe the graph below.

kakasveta [241]

we conclude that the graphed equation is:

y = 4*cos(pi*x)

<h3></h3><h3>Which trigonometric equation is the one in the graph?</h3>

First, we can see that the graphed function is even, so we know that it wiill be a cosine.

We also can see that the maximum is 4 and the minimum is -4, so the amplitude is 4.

Then we have something like:

y = 4*cos(b*x)

To find the value of b, we can use the fact that the zeros of the function are at x = ±1/2

Then:

b*1/2 = pi/2

b = pi

Finally, we conclude that the graphed equation is:

y = 4*cos(pi*x)

If you want to learn more about trigonometric equations:

brainly.com/question/8120556

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