Add numbers with the same amount of variables
-x^2 + (-7x^2) = -8x^2
– 28x (+ 14x )= -14x
7 (+ 8) = 15
-18x² - 14x + 15 is your answer
hope this helps
Answer:
That would be 530.93
Step-by-step explanation:
Step-by-step explanation:
in isoscles triangles two angles and lengths are equal .
two sides equal 3.5
so both of the angles are 55°
the sum of the angles in a triangle is 180°, so
x = 180° - 55° - 55°
x = 70° (Ans)
Answer:
2.3
Step-by-step explanation:
Answer:
40 cm
Step-by-step explanation:
Perimeter of a square = 4a
=4 ( 10 )
=40cm
Have a nice day!