The first one I've already naswered: If two lines don't intersect, then they don't share a common point.
The second one:
If A is not the initial point, then AB is not a ray.
Answer:
9.43 miles and for the diagram just draw a labelled right triangle with the base running towards the left. Hope this helps!
Step-by-step explanation:
I believe you would use the pythagorean theorem which is a^2+b^2=c^2
So if
8^2+5^2=c^2
64+25=89
\sqrt{89} = 9.43
Answer:
Option 1
Step-by-step explanation:
-4x+6y-5z=60
for x-int, solve for x when y=0, z=0
-4x+6(0)-5(0)=60
x=-15 (-15, 0,0)
for y-int, solve for y when x=0, z=0
y=10 (0, 10,0)
for z-int, solve for z when x=0, y=0
z=-12 (0, 0,-12)
4/20 has the numbers 4 and 20 which can be simplified
2/10 is the same as 4/20 when you multiply both numbers by 2
and 1/5 is the simplest answer and is the same as 4/20 when both numbers are multiplied by 4
Hope this helps! :D
Step-by-step explanation:
7x² + 9x² - x²
when you wrote the expression you used the "multiplication ×" and not "x".
anyway, when you have terms of the same variable of the same exponent, then the combination variable and exponent become an item. and the same items can simply be added in an expression.
this is similar to
7 apples + 9 apples - 1 apple
what would you do there ?
see ?
and the same we are doing now for the given expression : we are adding the terms up :
7x² + 9x² - x² = (7 + 9 - 1)x² = 15x²
and in the middle I gave you even the reason why we can do that.
please, let me know, if this is still unclear.
