Answer:
The system of equations is:
x + y = 15
xy = 15
Step-by-step explanation:
solve the first for y and substitute in the second:
y = 15-x
x(15-x) = 15
15x - x� = 15
15x - x� - 15 = 0
-x� + 15x - 15 = 0
x� - 15x + 15 = 0
A rhombus<span> has </span>rotational symmetry<span>. It is a </span>symmetric<span> shape that can be rotated and still appear the same. A </span>rhombus<span> has two-fold </span>symmetry<span>, meaning that is can be rotated 180 degrees and appear the same.</span>
Answer:
16.5
Step-by-step explanation:
Answer:
The answer is 2.5 or 5/2 as a fraction.
Step-by-step explanation:
P.S Can I have brainliest?
Answer:
Step-by-step explanation:
The sum of these angles must equal 360 degrees.
x+63+55=360
x+118=360
x=242