A cube number is an integer which is a third power of another integer.
A triangular number is a number that counts the objects that can form equilateral triangle (sorry, I cribbed it a little from Wikipedia; it's difficult to explain). Just look at the picture.
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Answer:
Step-by-step explanation:
180 - 67 = 113
180 - 113 - 42 = 25
α = 25º
Answer:
It's 1/3
Step-by-step explanation:
2/6 is equivalent to 1/3, so you can rewrite the question as 2/3 - 1/3.
Answer:
x=-6 y=-26
Step-by-step explanation:
in the first is -4 every time, in the second is -20 every time
Answer:
f(x)=2+3x
f(x)=1+2x
f(x)=3+4x
Step-by-step explanation:
(Refer to picture)
I worked really hard on this, if it's wrong, I'm throwing hands, haha
I explained some things too, so zoom in for my ugly handwriting
If you can't read something, just ask and I'll clarify!