(a) Solve the following inequalities.
(i) 𝑥(𝑥 + 6) > −5
(3 marks)
(ii) 𝑥(𝑥 + 8) < −15
(b) Solve the radical equat...
ABCD is a rhombus in which ADB = 25.
Then, the value of (2 BAD – ABC) is :
(1) 230
(2) 240
(3) 210
(4) 260
Test the convergence of the series: 𝑥
1.3
+
𝑥
2
3.5
3
5.7
4
7.9
+ ⋯
Ein Würfel hat die Kantenlänge 40 cm. Berechne das Volumen dieses Würfels in Litern.
9235×642
Observe a figura abaixo e assinale a alternativa com a afirmação correta:
D é quadrado e retângulo
C é quadrado...
3x+4y=-6
-3x+2y=6
solve it by substitution method
9235×462
2=x- $\frac{2\}{x^2}$
9235×4462
