Answer: 22.5 degrees
Step-by-step explanation:
The sum of the angles of a triangle is 180 degrees.
So we can set up an equation to solve for x.
x + 45 + 5x = 180.
Combine like terms of x:
6x + 45 = 180
Subtract 45 from both sides:
6x = 135
Divide both sides by 6:
x = 22.5 degrees
Answer: Answer C , Only student 2, because dilation preserve angle measures and side lengths are proportional
Answer:
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Answer:
1) f
4 * ¼ = 1 (Multiplicative inverse property)
2) c
6 * 1 = 6 (Identity property of multiplication)
3) h
5 + 7 = 7 + 5 (Commutative property of addition)
4) j
If 5 + 1 = 6 and 4 + 2 = 6, then 5 + 1 = 4 + 2 (Transitive property)
5) a
4(x - 3) = 4x - 12 (Distributive property)
6) i
3(5) = 5(3) (Commutative property of multiplication)
7) k
Rules that allow us to take short cuts when solving algebraic problems.(Properties)
8) d
5 * (3 * 2) = (5 * 3) * 2 (Associative property of multiplication)
9) g
4 + (-4) = 0 (Additive inverse property)
10) e
2 + 0 = 2 (Identity property of addition)
11) b
A + (B + C) = (A + B) + C (Associative property of addition)
