Answer:
<h2>x = 30°</h2>
Step-by-step explanation:
The angle 30° and 2x are complementary angles.
Two angles are called complementary angles, if their sum is one right angle (90°).
Therefore we have the equation:
30 + 2x = 90 <em>subtract 30 from both sides</em>
2x = 60 <em>divide both sides by 2</em>
x = 30
Answer:
see explanation
Step-by-step explanation:
(a)
2x + 10 ← factor out 2 from each term
= 2(x + 5)
(b)
5x - 15 ← factor out 5 from each term
= 5(x - 3)
(c)
8x + 6 ← factor out 2 from each term
= 2(4x + 3)
(d)
12x - 8 ← factor out 4 from each term
= 4(3x - 2)
Responda:
0,004816 m²
Explicação passo a passo:
Dado que :
Dimensão da tela retangular do celular = 5,6 cm por 8,6 cm
A área de um retângulo = comprimento * largura
Área da tela do celular = 5,6 cm * 8,6 cm = 48,16 cm²
A área em m²:
1m² = 10000cm²
Conseqüentemente,
(48,16 / 10.000) m²
= 0,004816 m²
Answer:
Multiply by 10
Step-by-step explanation: