Answer:
9
Step-by-step explanation:
18:2
?:1
?=9
Answer:
61
Step-by-step explanation:
Because all triangles's angles sum is always equal to 180, we can establish the equation, (9x - 31) + (7x - 2) + (4x + 33) = 180.
Simplifying, we get;
9x - 31 + 7x - 2 + 4x + 33 = 180
20x = 180
x = 9.
So, angle DCE = 7x - 2 = 7 * 9 - 2 = 63 - 2 = 61
9514 1404 393
Answer:
multiply the (3, 4, 5) triple by 5 to get (15, 20, 25)
Step-by-step explanation:
Any multiple of a Pythagorean triple is a Pythagorean triple.
5(3, 4, 5) = (5·3, 5·4, 5·5) = (15, 20, 25) — a Pythagorean triple
Answer:
25%
Step-by-step explanation:
100%-30%=70%
70%-45%=25%