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worty [1.4K]
3 years ago
7

20 points! will mark brainliest!

Mathematics
1 answer:
Anestetic [448]3 years ago
3 0

Answer:

Height of Tower = 41.8901 ft

Base to Ground Wire = 94.0905 ft

Step-by-step explanation:

So you want to find the opposing side of the angle, as well as the distance from the base to where the wire is attached to the ground. You would need to use CAH to find the ground, and SOH to find the height. To find the height or opposite, take the Sine of 24°, 0.4067, and times it by your hypoteneuse 103 to get an exact height of 41.8901 ft. Next, use the Cosine of 24°, 0.9135, and times that by your hypoteneuse 103 to get 94.0905 ft.

Here are the equations:

sin(24)=\frac{h}{103}

cos(24)=\frac{h}{103}

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How can emily use the above to make an estimate for 576 ÷8
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Given the equation :

576\div8​

We will use estimation to find the value of the given expression

So, the best estimation for the number 576 is = 600

The best estimation for the number 8 is = 10

So, the given expression is approximately = 600 ÷ 10 = 60

===================================================================

We can calculate the error of the approximation as following :

The actual value is : 576 ÷ 8 = 72

So, the difference is = 72 - 60 = 12

so, the percentage of error will be :

\frac{12}{72}\cdot100=16.7\%

7 0
1 year ago
In the complex number system, which of the following is equal to
pogonyaev

Answer:

C) 122+154i

Step-by-step explanation:

(14-2i)(7+12i)\\\\(14)(7)+(14)(12i)+(-2i)(7)+(-2i)(12i)\\\\98+168i-14i-24i^2\\\\98+154i-24(-1)\\\\98+154i+24\\\\122+154i

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2 years ago
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HELPPPP. Need help asap.
mamaluj [8]

Answer:

Just learned this-

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Since, slope of a line passing through two points (x_1, y_1) and (x_2,y_2) is given by,

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3 years ago
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