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BaLLatris [955]
3 years ago
8

What do you know about the side lengths and trigonometric ratios in special right triangles

Mathematics
1 answer:
TEA [102]3 years ago
6 0

Explanation:

This looks like an essay question with no right answer.

__

There are two "special" right triangles:

  isosceles 45°-45°-90° triangle with sides in the ratios 1 : 1 : √2

  30°-60°-90° triangle with sides in the ratios 1 : √3 : 2

These side lengths give rise to the trigonometric ratios shown below for angles with 30°, 45°, or 60° as reference angles.

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5000 at 12% compound quarterly compared interest earned after 5 year's
hichkok12 [17]

Answer:

A = P(1+r÷100)^n

where A is amount after some days

r is the rate

n is the number of years

p is the principle (the amount of money before the interest)

A = 5000 ( 1 + 12÷100)^5

A = 8811.70

A = 8812

8 0
3 years ago
The total cost for a bucket of popcorn and 4 movie tickets is $56. The total cost for the same size bucket of popcorn and 6
ratelena [41]

Answer:

y = 12x + 8

Step-by-step explanation:

You can come to this conclusion by plugging in the amount of tickets bought as x in each equation, making sure the the answer y is $56 if x = 4 and $80 if x = 6

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3 years ago
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50 people are selected randomly from a certain population and it is found that 12 people in the sample are over 6 feet tall. wha
Taya2010 [7]

Answer:

The point estimate of the proportion of people over 6ft to total people is 6:25

Step-by-step explanation:

To find this, simply start with the number of people over 6 ft and total people as a proportion.

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6:25

8 0
3 years ago
The length of a screw produced by a machine is normally distributed with a mean of 0.65 inches and a standard deviation of 0.01
Makovka662 [10]
Notice it is +/-4 times standard deviation (0.65-0.04 = 0.61, 0.69-0.04=0.65)

That's almost everything. So (D) is the answer.
<span>99.993666</span>%
3 0
3 years ago
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48 is what percent of 40?
vlada-n [284]

Answer:

120%

Step-by-step explanation:

The ratio you are solving is 48/40

Divide the numerator by the denominator just like you would do with any other fraction.

48÷40=1.2

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3 years ago
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