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TEA [102]
3 years ago
13

I need to solve these problems.

Mathematics
2 answers:
Tatiana [17]3 years ago
8 0
6)Not regular
7)regular
8)720
9)360
10)153.3
kap26 [50]3 years ago
6 0

Answer:

a,a,d

Step-by-step explanation:

the formula has been given

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Sin(20)=x/670 ????????
mash [69]

Answer:

229.2

Step-by-step explanation:

Remark

There's a lot in this question. The x is not just any x. It is defined and limited by its relationship with the sine function.

The Sin is defined as Opposite over Hypotenuse in a right triangle. The 670 is the Hypotenuse. You know that by the definition of Sine.

So one thing you should always keep in mind: the x because of where it is in the definition, will always be smaller than the Hypotenuse. So you should get a value less than 670.

Formula

Just as you have it

Sin(20) = x / 670

Solution

Multiply both sides by 570

670 * sin(20) = x

sin(20) = 0.3420

x = 670 * 0.3420

x = 229.2

6 0
2 years ago
Find the total cost. $ 1,299 T.V.; 7% tax<br> Math
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The total to this would be $1,389.93 because $1,299 + 7% = $1,389.93
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3 years ago
A total of 1482 earthquakes occurred in a 7-day period at the end of April
topjm [15]

Answer:

211.7 Per Day 8.8 Per Hour

Step-by-step explanation:

First you do 1482/7 which gives you an average for each day (211.7)

Then you take 211.7  and divide that by 24 because there are 24 hours in a day and doing so would give you 8.8

6 0
2 years ago
The angles of depression of the top and bottom of a building 50 meters
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Step-by-step explanation:

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7 0
2 years ago
Whats 9+10 answer now or die
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The answer is 21 ,

Step-by-step explanation:

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