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Reptile [31]
2 years ago
7

Do these measurements create a triangle? true or false?

Mathematics
2 answers:
8090 [49]2 years ago
5 0

Answer:

Question 9: True

Question 10: False

Step-by-step explanation:

The Triangle Inequality Theorem states that the sum of any two sides of a triangle must be greater than the last side.

To test if the three lengths create a triangle you would have to test the three combinations if the two numbers are greater than the last number.

<h3>Question 9:</h3>

<u>The three lengths 6, 6, 5 create a triangle.</u>

First check the first two numbers.

  • 6 + 6 = 12
  • 12 > 5, so this is valid.

Next check the first and last number.

  • 6 + 5 = 11
  • 11 > 6, this is also valid.

Last check the second and last number.

  • 6 + 5 = 11
  • 11 > 6, all three combinations are valid for creating a triangle.

The answer for question 9 is TRUE.

<h3>Question 10:</h3>

<u>The three lengths 7, 2, 5 create a triangle.</u>

Check the first two numbers.

  • 7 + 2 = 9
  • 9 > 5, this is valid.

Check the first and last number.

  • 7 + 5 = 12
  • 12 > 2, this is also valid.

Finally, check the second and last number.

  • 2 + 5 = 7
  • 7 = 7, this is NOT valid because it MUST be greater than. Therefore these three lengths are not able to create a triangle.

The answer for question 10 is FALSE.

Alborosie2 years ago
4 0

Answer:

Question 9: False

Question 10: False

Step-by-step explanation:

The third side is always greater than the other two sides.

<u>Question 9</u>

a = 6, b = 6, c = 5

Since the third side is the smallest, it would not create a triangle.

<u>Question 10</u>

a = 7, b = 2, c = 5

Since the third side is the smallest, it would not create a triangle.

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3 years ago
Five men working six hours a day take eight days to fill a trench. How long does it take 3 men working eight hours a day to fill
Oduvanchick [21]

Answer:

The correct answer is 10 days.

Step-by-step explanation:

To fill a trench, 5 men work for 6 hours a day for eight days.

Total work hours required is given by 5 × 6 × 8 = 240 hours.

The same work is supposed to be done by 3 men working 8 hours a day.

Let these three men need to work for x days.

Therefore total work hour these group of three men gave = 3 × 8 × x = 24x hours

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6 0
3 years ago
Slope = -2/5, contains the point (10,3)
Daniel [21]

Answer: if this is supposed to be in slope-intercept form

the equation would be: y = -2/5x + 7

Step-by-step explanation:

so the slope is: -2/5 and the point is (10,3) considering that x = 10 and y = 3

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