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IRINA_888 [86]
1 year ago
9

Tom sees an enormous thundercloud approaching

Mathematics
1 answer:
ikadub [295]1 year ago
3 0

Using the slope concept, it is found that the thundercloud is 6.43 miles above the ground.

<h3>What is a slope?</h3>

The slope is given by the <u>vertical change divided by the horizontal change</u>, and it's also the tangent of the angle of depression.

In this problem, we have that:

  • The angle is of 65º.
  • The vertical distance is the height h.
  • The horizontal distance is of 3 miles, as the sound takes 5 seconds to travel 1 mile, and it took 15 seconds.

Hence:

tan(65º) = h/3.

h = 3 x tan(65º)

h = 6.43 miles.

The thundercloud is 6.43 miles above the ground.

More can be learned about the slope concept at brainly.com/question/18090623

#SPJ1

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Operations with Radical Expressions
lisov135 [29]

Answer: 30\sqrt{11}

<u>Step-by-step explanation:</u>

  3\sqrt{50} * \sqrt{22}

= 3\sqrt{5*5*2} * \sqrt{2*11}

= 3\sqrt{5*5*2*2*11}

= 3*5*2\sqrt{11}

= 30\sqrt{11}

******************************************

Answer: 6\sqrt{30}

<u>Step-by-step explanation:</u>

  \sqrt{20} * \sqrt{3} * \sqrt{18}

= \sqrt{2*2*5} * \sqrt{3} * \sqrt{3*3*2}

= \sqrt{2*2*5*3*3*3*2}

= 2*3\sqrt{5*3*2}

= 6\sqrt{30}

********************************************

Answer: -\sqrt{5}

<u>Step-by-step explanation:</u>

  4\sqrt{20} - 3\sqrt{45}

= 4\sqrt{2*2*5} - 3\sqrt{3*3*5}

= 4*2\sqrt{5} - 3*3\sqrt{5}

= 8\sqrt{5} - 9\sqrt{5}

= -\sqrt{5}

********************************************

Answer: 4\sqrt{5}

<u>Step-by-step explanation:</u>

  2\sqrt{5} + 3\sqrt{5} - \sqrt{5}

= (2+3-1)\sqrt{5}

= 4\sqrt{5}

********************************************

Answer: 46\sqrt{2}

<u>Step-by-step explanation:</u>

  4\sqrt{32} + 6\sqrt{50}

= 4\sqrt{2*2*2*2*2} + 6\sqrt{2*5*5}

= 4*2*2\sqrt{2} + 6*5\sqrt{2}

= 16\sqrt{2} + 30\sqrt{2}

= 46\sqrt{2}





7 0
3 years ago
Lol of 6,8 and 24,32
kolezko [41]
Whats the question????
4 0
3 years ago
PLEASE HELP!!!
Marizza181 [45]
The function would be f(x)=11,500-.16xPlug in 4 for x
8 0
3 years ago
For a continuous random variable x, the height of the function at x is a. 0.50, since it is the middle value. b. a value less th
gogolik [260]

Answer:

Answer is a continuous random variable x the height of the function named the probability density function f(x)

Step-by-step explanation:

A continuous random variable takes infinite number of possible values.

example include  height , weight amount of sugar in an orange time required to run a mile.

Continues random variable named probability function f(x).

5 0
3 years ago
R/3 = 7
dangina [55]
R=21. 21/3=7. To check your answer, you can do 7x3 and it'll equal 21.
7 0
2 years ago
Read 2 more answers
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