Mathematics, 23.06.2019 14:00 gracie0818
When a photograph is taken, the exposure time, t is directly proportional to the square of the size, f , of the opening in the camera lens. t = 0.02 when f = 8. it can be shown that t = 1/3200 f squared. calculate the value of f when t = 0.0098
Answers: 1
= 
= 
← equation of proportionality
= 5.6Another question on Mathematics
Mathematics, 21.06.2019 14:40
Sara sells beaded necklaces she makes a profit of 4 dollars pn every neclace she sells which table represents the profit sara makes
Answers: 1
Mathematics, 21.06.2019 18:00
Clara schumann is buying bagels for her coworkers, she buys a dozen bagels priced at $5.49 a dozen. the bakery's cost for making the bagels is $2.25 per dozen. what is the markup rate based on selling price on a dozen bagels?
Answers: 1
Mathematics, 21.06.2019 19:00
1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?
Answers: 2
Mathematics, 21.06.2019 19:20
The square root of 9x plus 7 plus the square rot of 2x equall to 7
Answers: 1
You know the right answer?
When a photograph is taken, the exposure time, t is directly proportional to the square of the size,...
Questions
History, 10.04.2020 19:22
Mathematics, 10.04.2020 19:22
Mathematics, 10.04.2020 19:22
Mathematics, 10.04.2020 19:22
Biology, 10.04.2020 19:22
Mathematics, 10.04.2020 19:22
Mathematics, 10.04.2020 19:22
Mathematics, 10.04.2020 19:22
