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Katyanochek1 [597]
3 years ago
15

Is this answer correct?

Mathematics
2 answers:
andre [41]3 years ago
5 0
Thx no that answer is not correct
spin [16.1K]3 years ago
4 0
No its not you should try to work the problem out in a different way
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A streetlamp has a 20 ft shadow that makes a 40° angle with the ground. which expression represents the height of the street lam
Oduvanchick [21]

Answer:

  • 20 sin 40°  ≈ 12.86 ft

Step-by-step explanation:

Let the height of the street lamp be x

Opposite angle is 40° and the shadow, the hypotenuse of the formed triangle is 20 ft.

  • sin 40° = x/20
  • x = 20sin 40°
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Katena32 [7]

Answer: Sunday by 2 miles

Step-by-step explanation:

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3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=5x%20%7B%7D%5E%7B2%7D%20%5Cdiv%20%5Csqrt%7B2%20%7D%20%3D%20164" id="TexFormula1" title="5x {}^
umka2103 [35]

Answer:

The short answer is : x=6.81

Step-by-step explanation:

First thing to do is multiply in\sqrt{2}

<h3>To Until it become :</h3>

5x {} ^{2} =164 * \sqrt {2}

Now we will divided on 5 and calculate the numper to it equal 46.3

Then you will take square root To the two parties

To equal in the end =6.81

6 0
3 years ago
shira was riding the screamer when it broke down. her seat was 53 jorizontal feet from the central support pole. What was her se
ki77a [65]

Answer:

The possible solutions are 58 degree, 122 degrees, 302 degrees and 238 degrees

Step-by-step explanation:

Please see the attachment

From the figure, it is evident that

cos AOB = OB/OA = 53/100 = 0.53

Thus, cos-1 (0.53) = 58 degrees

AOB = 58 degree

Also, there are can be other values depending on the quadrants

COB = 180 -58 = 122 degrees

FOB = 360 -58 = 302 degrees

EOB = 180 + 58 = 238 degrees

5 0
3 years ago
Which of these nonterminating decimals can be converted into a rational number?
ValentinkaMS [17]

A can be converted since it is a repeating decimal


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3 years ago
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