Considering the slopes of the segments, the correct option is:
D. No, because the triangle ABC doesn't have a pair of perpendicular sides.
<h3>When are lines parallel, perpendicular or neither?</h3>
The slope, given by <u>change in y divided by change in x</u>, determines if the lines are parallel, perpendicular, or neither, as follows:
- If they are equal, the lines are parallel.
- If their multiplication is of -1, they are perpendicular.
- Otherwise, they are neither.
Here, we have to find if there are perpendicular segments, that is, if two slopes multiplied have a value of -1, then:
- mAB = (-7 - 9)/(11 - 1) = -8/5.
- mAC = (3 - 9)/(-9 - 1) = 3/5.
- mBC = (3 - (-7))/(-9 - 11) = -1/2.
No sides are perpendicular, hence option D is correct.
More can be learned about slopes at brainly.com/question/20847660
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Answer: -12.8x-20y+8.4
Step-by-step explanation: I multiplied the numbers in parentheses by 4.
This is a simple Pythagorean Theorem problem. 7 is the hypotenuse so you would do c^2-a^2=b^2. In this case 7^2-2^2=b^2. 7^2 is 49 and 2^2 is 4 so you have 49-4=b^2. 49-4 is 45. The square root of 45 is 6.70. So x=6.70
Answer:
Step-by-step explanation:
This (±) goes between the 
and 
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/2a
± 
/2(3)
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Answer:
1. V = 94 meters cubed
2. V = 8 feet cubed
3. V = 57 inches cubed
Step-by-step explanation:
The volume of a cone is 1/3 the volume of a cylinder. So all you need to do is plug the numbers into the formula for the volume of a cylinder and then you have the answer.
The formula for a cylinder is V= (3.14 or pi) * radius squared * height
The formula for a cone is V= (3.14 or pi) * radius squared * height * 1/3
So here you go.....
1. V= 3.14 x 9 x 10 x 1/3 V = 94 meters cubed
2. V= 3.14 x 4 x 2 x 1/3 V = 8 feet cubed
3. V = 3.14 x 9 x 6 x 1/3 V = 57 inches cubed
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