Answer:
3.657 and 7.657 to the nearest thousandth.
Step-by-step explanation:
x - y = 4
x^2 + y^2 = 72
From equation 1
x = y + 4 so
(y + 4)^2 + y^2 = 72
y^2 + 8y + 16 + y^2 - 72 = 0
2y^2 + 8y - 56 = 0
y^2 + 4y - 28 = 0
y = 3.657.
so x = 7.657.
Answer:
Step-by-step explanation:
it is a rhombus,∵ all the four sides are equal.
x+93=180
x=180-93=87°
Answer:
2/3
Step-by-step explanation:
7/9 - 2/8× 4/9 =
7/9 - 8/72 =
56/72 - 8/72 =
48/72 =
2/3