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12(t + 2) + 4 ≥ - 8
12t + 24 + 4 ≥ - 8
12t + 28 ≥ - 8
12t ≥ - 8 - 28
12t ≥ - 36
t ≥ - 36 ÷ 12
t ≥ - 3
Solution:
t ≥ -3
We have that
<span>y=2sinx-cosx
y=cosx
</span>over the interval 0≤x≤pi/2-------> 0≤x≤1.57
using a graph tool
see the attached figure
the solution in the given interval is the point (pi/4, 0.707)
the y-value of the point of intersection is 0.707 -----> √2/2
the answer is the option <span>
b. (square root of 2)/2</span>
Answer: A) 3
Reasoning: 30% of a number is 90, to find this divide 90 by .30
90/.30=300
So 30% of 300 is 90
Now 1% of 300
300 x .01=3
So the answer is 3
10000 gallons ⇒ 16 fluid ounces
20000 gallons (this is 2 × 10000 gallons) ⇒ 16 × 2 = 32 fluid ounces
30000 gallons (this is 3 × 10000 gallons) ⇒ 16 × 3 = 48 fluid ounces
40000 gallons (this is 4 × 10000 gallons) ⇒ 16× 4 = 54 fluid ounces
50000 gallons (this is 5 × 10000 gallons) ⇒ 16 × 5 = 60 fluid ounces