### [ Mathematics ] Open Question : Why is the answer not 69 grams?

Oddly enough, I understand your equations, and was able to come up with 76 now, but I still can’t seem to understand why I had initially thought that it should’ve been 69. https://answers.yahoo.com/question/index?qid=20191108204858AAzLaWP

### [ Mathematics ] Open Question : Determine the area of a Equilateral triangle if the height 3 cm.?

Determine the area of a Equilateral triangle if the height 3 cm. ————————————————————————— If I call my height 3 and my base x/2 I should be able to solve it withPythagorean theorem (x/2)^2+3^3=x^2 But this is wrong answer, I need to get the answer 5,1961cm^^2=5cm^2

### [ Mathematics ] Open Question : Quadratic Word Problem?

I’m having some difficulty figuring out the steps for completing this practice problem we were given, it’s just practice so if someone could show me through, that would be VERY helpful to help me prepare for an upcoming test. Q: The path of the longest shot put by the boys’ track team at a university…

### [ Mathematics ] Open Question : What is the probability (approximately) that a sunflower will be less than 120 cm tall?

Height is approximately normally distributed with mean 112 cm and standard deviation 16 cm.

### [ Mathematics ] Open Question : Prove that this trigonometry identity?

(cos 2b + cos 4b + cos 6b) sin b = sin 3b cos 4b

### [ Mathematics ] Open Question : Translating Cos/Sin functions?

How is this wrong im confused