<h3>4cos ^4(x) -5cos^2(x)+1=0</h3><h3>(u^-1) (4u^-1)=0</h3><h3>(u^-1)=0</h3><h3>u^=1</h3><h3>u=√1</h3><h3>u=1</h3><h3>u=±1</h3><h3>cos (x)=±1</h3><h3>x=0 or π</h3><h3 /><h3>4u^-1=0</h3><h3>4u^=1</h3><h3>u^=1/4</h3><h3>u=√1/4</h3><h3>u=1/2</h3><h3>u= ±1/2</h3><h3>cos (x)=±1/2</h3><h3>x= π/3 or 4π/3</h3><h3 /><h3>x= 0, π/3, π, 4π/3</h3>
Answer:
1 decilitre
Step-by-step explanation:
You can look up charts for these. Look up litre chart
The questions ask you to caculate how many elements must a set of numbers of proper subsets of the set 1/2 of the total number of subsets per a subset,base on the question I bet the answer is 1 I hope this helps let me know if u passed and I will try to work it out again GREAT LUCK!!
Answer:
the answer is : 6.25
Step-by-step explanation:
you just 3+ (4x(0.5) the -o.75) +2
and the you get "6.25"
Answer:
4.5 cups of sugar
Step-by-step explanation:
This is how i solved it...
3 cups sugar = 48 pc. taffy
??? cups sugar = 72 pc. taffy
48 x 1.5 = 72
that means 3 x 1.5 should get you how many cups!
3 x 1.5 = 4.5
4.5 cups of sugar! hope this helps!!!