Answer:
B) √58 > 6.85
Step-by-step explanation:
7^2 = 49
8^2 = 64
so √58 is between 7 and 8 ---> 7 < √58 < 8
so √58 > 6.85 is true
Answer:
x ≈ 26.4
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos47° = 
= 
= 
( multiply both sides by x )
x × cos47° = 18 ( divide both sides by cos47° )
x = 
≈ 26.4 ( to the nearest tenth )
Answer:
x < -1
Step-by-step explanation:
Since the parabola opens upward, it is positive and decreasing where the left branch is above the x-axis: all points to the left of x=-1.
all real values of x where x < -1
Answer:
mmh..
Step-by-step explanation:
sorry xould you send again the pictures? I can't see then so i cant help you...
