The Pythagoras Theorem is a^2 +b^2 = c^2 if this is true then you have a right triangle. So I think they are looking for side lengths in the first box.
Answer:
A
Step-by-step explanation:
In Arithmetic sequence , 2nd term = first term + d
3rd term = 2nd term + d
In this given explicit formula, we can find that d =2
an ----> n th term; an-1 -----> n-1 th term
an = an-1 th term + 2
Answer:
Pyramid/Triangle Prism
Step-by-step explanation:
pyr·a·mid
/ˈpirəˌmid/
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noun
1.
a monumental structure with a square or triangular base and sloping sides that meet in a point at the top, especially one built of stone as a royal tomb in ancient Egypt.
2.
an object, shape, or arrangement in the form of a pyramid.
"a pyramid of logs"
verbNORTH AMERICAN
Answer:
B. HOPE HIS HELPS
Step-by-step explanation:
R = { (x,y): 3x-y=0 }
The condition is 3x=y so that's not going to be any of these things.
R is reflexive if (x,x)∈R for all x. Let's check.
3x - y = 3x - x = 2x ≠ 0 necessarily. NOT REFLEXIVE
R is symmetric if (x,y)∈R → (y,x)∈R. Let's check.
(x,y)∈R so
3x-y = 0
y = 3x
Is (y,x)∈R. That would be true if 3y-x=0
3y - x = 3(3x) - x = 8x ≠ 0 necessarily NOT SYMMETRIC
R is transitive if (x,y)∈R and (y,z)∈R → (x,z)∈R. Let's check.
3x-y = 0 so y=3x
3y-z = 0 so z=3y = 9x
3x - z = 3x - 9x = -6x ≠ 0 necessarily NOT TRANSITIVE
