Answer:
(4,7)
Step-by-step explanation:
Answer:
17/20
Step-by-step explanation:
0.85 is the same as 85/100 which can be simplified to 17/20 by dividing both the numerator and denominator by 5.
Answer:
x = 129
y = 82
Step-by-step explanation:
x + 51 = 180
x = 180 - 51
x = 129
y + 51 + 47 = 180
y = 98 - 180
y = 82
Answer:
7 inches
Step-by-step explanation:
Using Pythagoras' theorem on the right triangle, that is
r² + 11² = 13²
r² + 121 = 169 ( subtract 121 from both sides )
r² = 48 ( take the square root of both sides )
r =
≈ 7 in ( to the nearest inch )