Answer:
∠ ABD = 49°, ∠ CBD = 28°
Step-by-step explanation:
∠ ABD + ∠ CBD = ∠ ABC , substitute values
3x + 22 + 5x - 17 = 77 , that is
8x + 5 = 77 ( subtract 5 from both sides )
8x = 72 ( divide both sides by 8 )
x = 9
Thus
∠ ABD = 3x + 22 = 3(9) + 22 = 27 + 22 = 49°
∠ CBD = 5x - 17 = 5(9) - 17 = 45 - 17 = 28°
31.5 times 1.8.
=31.5×.8+31.5×1
=25.2+31.5
=56.7
Answer:
x < - 10
Step-by-step explanation:
Given
5 - 3x > 35 ( subtract 5 from both sides )
- 3x > 30
Divide both sides by - 3, reversing the symbol as a result of dividing by a negative quantity.
x < - 10 Or - 10 > x
Answer:
-6
Step-by-step explanation:
f(x) = 2x + 8
Put x as -7.
f(-7) = 2(-7) + 8
Multiply first.
f(-7) = -14 + 8
Add.
f(-7) = -6
