Step-by-step explanation:
1. No: angles add to more than 180 deg.
2. Yes: each side's length is between the sum and difference of the lengths of the other two sides.
3. No: not every side's length is between the sum and difference of the lengths of the other two sides.
4. Yes: for example, place the 50 deg angle between the two given sides. Another side will then make the triangle.
5. Yes: for example, use 3 cm as the short leg in a 30-60-90 right triangle.
Let's say David's age right now is x years
x + 6 = 2(x - 7)
x + 6 = 2x - 14
x = 20
Therefor David is 20 years old
Answer:
y=2
Step-by-step explanation:
A parallel line are lines that never intersect.
-They are generally formed when a line when lines are perfectly horizontal to the x axis or the vertical to the y-axis.
=>y=2 is the only parallel line .
=>y=x+2 is not parallel as the (x+2) is not a constant
=>y=2x-1 is not parallel as the (2x-1) is not a constant
=>y=2x+1 is not parallel as the (2x+1) is not a constant
Answer:
Infinity Many
Step-by-step explanation:
x can pretty much be any number possible. It will just equal something different every time.
Answer:
y = -1/4 or -0.25
Step-by-step explanation:
