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xxTIMURxx [149]
3 years ago
11

Which of the following sets of numbers could be the lengths of the sides of a triangle? A. 3 ft, 6 ft, 9 ft B. 3 ft, 5 ft, 7 ft

C. 3 ft, 6 ft, 12 ft D. 3 ft, 9 ft, 27 ft
Mathematics
1 answer:
Whitepunk [10]3 years ago
4 0
Answer:
<span>B. 3 ft, 5 ft and 7 ft
</span>
Explanation:
In any triangle, the sum of any two sides must be greater that the third one.

Therefore, to know if the given sides represent a triangle or not, all what we will do is add the two short sides and compare the result to the largest one.
We would have 3 options:
sum of short sides > longest side ......> It is a triangle
sum of short sides < longest side ......> It is not a triangle
sum of short sides = longest sides ....> It is not a triangle

Now, for the given:
1- Option A:
sum of short sides = 3 + 6 = 9 ft which is equal to the longest side
This option is incorrect

2- Option B:
sum of short sides = 3 + 5 = 8 ft which is greater than the longest side
This option is correct

3- Option C:
sum of short sides = 3 + 6 = 9 ft which is less than the longest side
This option is incorrect

4- Option D:
sum of short sides = 3 + 9 = 12 ft which is less than the longest side
This option is incorrect

Based on the above, the only correct option is B.

Hope this helps :)
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PLEASE HELP ME WITH THIS QUESTION AND ILL BRAINLIEST YOU
neonofarm [45]

Answer:

c

Step-by-step explanation:

Two sum of any two side lengths of a triangle will always be greater than the length of the remaining side

a doesn't work because 8+12=20 and 20 is not greater than 20

b doesn't work because 4+5=9 and 9<10

d doesn't work because 6+6=12 and 12 is not greater than 12

c is the only option where you can take any two sides, add them, and the sum will be greater than the remaining side.

For example, for c,

6+8=14, and 14>10

8+10=18, and 18>6

10+6=16, and 16>8

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3 years ago
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Twelve education students, in groups of four, are taking part in a student-teacher program.
eduard

Answer:

B. 330

Step-by-step explanation:

got it right on edge :)

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3 years ago
Simplify 8r - 3j + 9j - 2r
Shkiper50 [21]

Answer:

6j + 6r :)))))))))))))))))

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2 years ago
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I will thank your mom
Dahasolnce [82]
Factor dem groups


find greatest common factor
24=2*2*2*3
40=2*2*2*5

common is 2*2*2=8

answer is 8 groups

3 0
2 years ago
A basketball player averages 13.5 points per game. Use this rate to find the value of x, the number of points scored in 7 games.
xxTIMURxx [149]

Knowing that a ratio applies to the same situation in just a larger/smaller scale; 


(13.5)(7)=x (where x is the predicted number of scores) 

94.5=x 


Therefore, the player should score 94.5 points in 7 games. 


Hope I helped :) 

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3 years ago
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