Show that the vector field f (x, y, z) = ⟨ycos (-2x),-2xsin (y),0⟩f (x, y, z) = ⟨ycos⁡ (-2x),-2xsin⁡ (y),0⟩ is not a gradient vector field by computing its curl. how does this show what you intended?

Amanda is making two different cookie recipe. One recipe calls for 1/2 a cup of sugar. The other recipe calls for 3/4 cup of sugar. Amanda wants to triple both recipes, so how much total sugar will she need

The ratio of boys to girls at the assembly was 5 to 4. If there were 180 students at the assembly, how many girls were there? Explain why your answer is reasonable.

Adam wants to compare the fractions 3/12, 1/6, and 1/3. He wants to order them from least to greatest and rewrite them so they all have the same denominator. Explain how Adam can rewrite the fractions.

What is the value of this expression when a=20

Which equation represents the distributive property? A) 36 + 9 = 45 B) 36 + 9 = 3 (12 + 3) C) 36 x 9 = 9 x 36 D) (12 + 3) 3 = 3 (12 + 3)

What is the end behavior of the function f (x) = 2x^4 + 3x^3 - 9x^2 + 65x - 586?

I'm trying to solve 2x^2+3x=2

Suppose that a company claims that its batteries last 240 hours on average. It took many large samples, and each time the mean number of hours was outside the 95% confidence interval.

Sam added two fractions together and got 7/8 as the answer. Write down two fractions that Sam could of added.

A sign language club made $627.50 from selling popcorn at a festival. The popcorn cost the club $95.00. Which expression represents the amount of money that was raised for each member of the club?