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Ann [662]
3 years ago
14

Pls solve this I need explanation also for this pls pls

Mathematics
1 answer:
Westkost [7]3 years ago
3 0

Answer: 220 yards

Step-by-step explanation:

1 mile equals 1,760 yards

1,760 ÷ 8 = 220 yards

8/8 is 1... so that 1 is equal to the 1,760

You could divide it by 8 as shown above OR to double check yourself.. take your answer of 220 yards and add that 220 to 220 a total of 8 times which will give you your 1 mile equaling to 1,760 total yards which makes 1/8 mile equal the 220 yards. (I really hope this helps and makes sense as to how I figured that out for you:-) )

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Can you have a negative amplitude?
gayaneshka [121]
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I see where you might be confused because for instance in the trig equation: 
y = -3 sin (.5(x-\pi/2)) -1, there is a negative in front of the amplitude. However, when finding the amplitude, you take the absolute value of a.
6 0
3 years ago
A national survey of 2000 adult citizens of a nation found that 24​% dreaded​ Valentine's Day. The margin of error for the surve
Goryan [66]

Answer:

The correct option is (A).

Step-by-step explanation:

The (1 - <em>α</em>)% confidence interval for the population proportion is:

CI=\hat p \pm MOE

The information provided is:

\hat p = 0.24

MOE = 0.089

The 85% confidence interval for the population proportion of adults who dreaded​ Valentine's Day is:

CI=\hat p \pm MOE

     =0.24\pm 0.089\\=(0.151, 0.329)

So, the 85% confidence interval for the population proportion of adults who dreaded​ Valentine's Day is (0.151, 0.329).

The (1 - <em>α</em>)% confidence interval for population parameter implies that there is a (1 - <em>α</em>) probability that the true value of the parameter is included in the interval.

Or, the (1 - <em>α</em>)% confidence interval for the parameter implies that there is (1 - <em>α</em>)% confidence or certainty that the true parameter value is contained in the interval.

So, the 85%  confidence interval for the population proportion, (0.151, 0.329), implies that there is 85% confidence that the proportion of the adult citizens of the nation that dreaded​ Valentine's Day is between 0.151 and 0.329.

Or there is 0.85 probability that the true proportion of the adult citizens of the nation that dreaded​ Valentine's Day is between 0.151 and 0.329.

Thus, the correct option is (A).

7 0
3 years ago
Is -2.2675 a irrational number?
bezimeni [28]
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5 0
3 years ago
Given a side length if 18 inches, find the height of a stop sign rounded to the nearest tenth.
Vsevolod [243]
The formula for finding the height of an octagon from only one side is h=s(1 + the square root of 2). S is the length of one side. Your formula would be h=18(1 + the square root of 2).

h=18+18(the square root of 2)

h=18 + 25.4558

h=43.4558

Hope this helps!! :) And the decimal is rounded, just so you know ;). If your teacher likes everything in simplest radical form, then just don't convert the 18*the square root of 2 into a decimal and solve as you normally would.





6 0
3 years ago
Can someone help me please
Ede4ka [16]
What do you need help with I can’t read the thing
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3 years ago
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