Answers by Anna Zubenko
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Answers by Anna Zubenko

Answers by Anna Zubenko
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a large balloon in the shape of a sphere is being filled with helium. The balloon has a radius of 1 foot. Helium costs $0.80 per cubic foot. What is the cost of filling the balloon with helium?
answered May 23, 2021
6 votes
149k views
The cost, in dollars, of producing x belts is given by C(x) = 634 + 18x - 0.071 x^2. Find the rate at which average cost is changing when 324 belts have been produced. When 324 belts have been produced,
answered Apr 30, 2021
1 vote
137k views
Twenty times one hundred and one (20 x 101)
answered Apr 11, 2021
2 votes
112k views
As a result of their experience with British rule, most Americans wanted a strong central government. O a weak central government. no central government. no legislatures in government.​
answered Feb 21, 2021
7 votes
8.2k views
Correct first step to solving the equation 9(x+2)=90
answered Dec 10, 2020
5 votes
72.0k views
What organization did workers form in the mid-to-late 1800s to improve pay and working conditions
answered Dec 9, 2020
0 votes
4.7k views
A beam of unpolarized light in air strikes a flat piece of glass at an angle of incidence of 54.2 degrees. If the reflected beam is completely polarized, what is the index of refraction of the glass? A.
answered Aug 10, 2020
3 votes
205k views
Stanford owns and operates two dry cleaning businesses. He travels to Boston to acquire a restaurant. Later in the month, he travels to New York to discuss acquiring a bakery. Stanford does not acquire
answered Aug 9, 2020
6 votes
170k views
Use the given graph to determine the limit, if it exists. Find limit as x approaches two from the left of f of x. and limit as x approaches two from the right of f of x..
answered Jan 23, 2020
4 votes
57.5k views
Find the slope of the surface in the x and y-directions at the given point. h(x,y) = x2 – y2 (-3, 2, 5)
answered Sep 27, 2019
6 votes
158k views
The food-scarce environment of our ancestors likely led to humans' propensity to gorge when food is available and to crave high-caloric foods—a trait that might lead to an epidemic of obesity when food
answered Sep 20, 2019
5 votes
98.8k views
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