# demitiafrori

### Helium is the second most abundant element in the universe, but it is rare in Earth’s atmosphere?

Most of the helium used to fill balloons and blimps must be extracted from Earth’s crust. How do you think this helium formed?

3 AnswersHomework Help3 years ago### What is the m < 3 if m < 1 = 50?

2 AnswersHomework Help3 years ago### How to find x?

1 AnswerHomework Help3 years ago### In Colorado, there is a garden with a 6 pointed star inscribed in a circle?

If arc AB = 120 degrees, find m<C.

3 AnswersHomework Help3 years ago### Write the expression 5^1/7 in radical form?

2 AnswersMathematics3 years ago### If f(x)= -1/2 x-3, find f^1 (x)?

1 AnswerMathematics3 years ago### Evaluate f(x) = 3x^3-8x^2+4x-2 for f(3) using the Remainder Theorem?

2 AnswersMathematics3 years ago### Given h(x) = x+1 and f(x) = x^3-x^2+x-1, is h(x) a factor of f(x)?

2 AnswersMathematics3 years ago### How are potential energy, kinetic energy, and total energy related?

3 AnswersPhysics3 years ago### Down East Kayak and Touring company must factor in the current of the water for the time needed for their kayak tours.?

The time needed for the tour based on the current of the water can be calculated as follows: 60/(6+c)(6-c) is greater than or equal to time in hours

What range of current speed will keep the tour time to a maximum of 3 hours?

2 AnswersPhysics4 years ago### AJ is making his special Mango Salsa to give as gifts to his friends.?

He needs 3 pounds of mangoes that he will purchase for $ 0.90 per pound. He needs to add tomatoes that he will purchase for $1.25 per pound. He needs to keep his cost for these salsa ingredients at $1.00 per pound. How many pounds of tomatoes will he need to purchase?

1 AnswerMathematics4 years ago### Ty and Marshon are brothers. Their grandmother wants her leaves raked and the yard mowed.?

When Ty does the work on his own he can complete the work in 6 hours. It takes Marshon 10 hours to complete the work on his own. Today, their grandmother wants her grandsons to work together to complete the work. How many hours will it take Ty and Marshon to rake the leaves and mow the lawn when they work together? (Do not round your answer.)

2 AnswersMathematics4 years ago