Mathematics, 27.10.2021 14:00 ayoismeisalex
The total radiation energy Eemittedby a heated surface per unit area varies as the fourth powerof its absolute temperature T. The temperature is 6000 K atthe surface of the sun and 300 K at the surface of the earth.(a)How many times more radiation energy per unit area isproduced by the sun than by the earth?(b)The radius of the earth is 3960 mi and the radius of thesun is 435,000 mi. How many times more total radia-tion does the sun emit than the earth?
Answers: 3
Mathematics, 21.06.2019 18:30
Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.
Answers: 3
Mathematics, 21.06.2019 19:00
Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60
Answers: 1
Mathematics, 21.06.2019 21:30
Scott’s bank account showed a balance of $750 on sunday. during the next five days, he made one deposit of $140 and numerous withdrawals of $180 each. let x represent the number of withdrawals that scott made. write an inequality that can be used to find the maximum number of withdrawals that scott could have made and maintain a balance of at least $100. do not use a dollar sign ($) in your response.
Answers: 1
Mathematics, 21.06.2019 22:30
Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75
Answers: 2
The total radiation energy Eemittedby a heated surface per unit area varies as the fourth powerof it...
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