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vekshin1
3 years ago
11

Is 3,3,7 a triangle

Mathematics
1 answer:
Nina [5.8K]3 years ago
8 0
No. You can’t add the two lower numbers up to make the bigger number making them not a triangle.
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Sally was standing 30 feet from a tree. The angle of
QveST [7]

Answer: The tree was 27 feet tall

Step-by-step Explanation: First of all Sally was standing 30 feet away from the tree and she looks up at an angle of elevation of 38 degrees to the top of the tree. With this bit of information we can determine that a right angled triangle has been formed with the reference angle as 38 degrees, the side facing it as h (the height of the tree) and the adjacent side as 30. We shall apply the trigonometric ratio as follows;

Tan 38 = opposite/adjacent

Tan 38 = h/30

0.7813 = h/30

0.7813 x 30 = h

23.4 = h

We remember at this point that Sally’s eyes were 4 feet above the ground. What we have just calculated is the height of the tree from “4 feet above the ground” (where her eyes were). Hence the actual height of the tree is calculated as 23.4 plus 4 which gives us 27.4

Therefore the tree was 27 feet tall (approximately to the nearest foot)

5 0
3 years ago
I really need help with this any1?
maxonik [38]

Answer:

2x-4 = -8

Step-by-step explanation:

5 x -22= -110

4 0
3 years ago
If a letter is chosen at random for the word “SUCCESS”, what is the probability that the letter will be C?
vampirchik [111]

<em>Answer</em><em>:</em>

<em>2</em><em> </em><em>out</em><em>. </em><em>of</em><em> </em><em>7</em>

<em>Explanation</em><em>:</em>

<em>First</em><em> </em><em>of</em><em> </em><em>all</em><em> </em><em>There</em><em> </em><em>are</em><em> </em><em>2</em><em> </em><em>C</em><em> </em><em> </em><em>in</em><em> </em><em>the</em><em> </em><em>word</em><em> </em><em> </em><em>and</em><em> </em><em>so</em><em> </em><em>it's</em><em> </em><em>going </em><em>to </em><em>be</em><em> </em><em>2</em><em> </em><em>out</em><em> </em><em>of </em><em>the</em><em> </em><em>total</em><em> </em><em>number</em><em> </em><em>of</em><em> </em><em>words </em><em>in</em><em> </em><em>the</em><em> </em><em>given </em><em>word</em>

<em>2</em><em> </em><em>/</em><em> </em><em>7</em><em> </em>

<em>So </em><em>that</em><em> </em><em>is</em><em> </em><em>the</em><em> </em><em>probab</em><em>ility</em><em> </em>

8 0
3 years ago
Show your work in sketch. <br><br> (x-2)10
Soloha48 [4]
Answer ; 10x - 20

Explanation; Multiply each term in the parenthesis by 10. Then multiply the numbers, and you get your answer.
4 0
3 years ago
Read 2 more answers
An electrician cuts a 136 ft long piece of cable. One piece is 16 feet less than 3 times the length of the other piece. Find the
Romashka [77]
X + y = 136
x = 3y - 16

3y - 16 + y = 136
4y - 16 = 136
4y = 136 + 16
4y = 152
y = 152/4
y = 38

x = 3y - 16
x = 3(38) - 16
x = 114 - 16
x = 98

the larger piece (x) = 98 ft and the smaller piece (y) = 38 ft
8 0
3 years ago
Read 2 more answers
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