Answer:
(c)
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos42° =
= 
Multiply both sides by 12
12 × cos42° = x, hence
x ≈ 8.9 → (c)
Density = 0.8 g/cm³
Volume = 9000 cm³
D = m / V
0.8 = m / 9000
m = 0.8 x 9000
m = 7200 g
hope this helps!
Answer:
1476 boys
Step-by-step explanation:
We are going to use ratio here:
6/7=x/1,722
so then we simplify
(1,722*6)/7 =
1476 boys
Answer:
2
x
2
+
4
x
−
6
Step-by-step explanation:
Answer:
x= -8 and so y=35.....solving equation