Mathematics, 12.02.2021 02:10 jordand7514
3. Gach Perry is conducting an inventory of the PE equipment at OCS. He counts
30 lasketballs, 24 soccer balls, and 15 footballs. What is the ratio of footballs to all balls
4. In Kailah's class the ratio of girls to boys is 13 to 8. If there were 16 boys, how many g
there be?
5. Use the table to determine how many cookies can be made with 1 cup of chocolate
chips? REMEMBER TO INCLUDE THE UNIT OF MEASURE (COOKIES) WITH YOUR ANSWER.
Cups of Choc Chips
Number of Cookies
3
15
6
30
9
45
8. The ratio of boys to eirls at the di
Answers: 2
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Prove (a) cosh2(x) − sinh2(x) = 1 and (b) 1 − tanh 2(x) = sech 2(x). solution (a) cosh2(x) − sinh2(x) = ex + e−x 2 2 − 2 = e2x + 2 + e−2x 4 − = 4 = . (b) we start with the identity proved in part (a): cosh2(x) − sinh2(x) = 1. if we divide both sides by cosh2(x), we get 1 − sinh2(x) cosh2(x) = 1 or 1 − tanh 2(x) = .
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Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.
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3. Gach Perry is conducting an inventory of the PE equipment at OCS. He counts
30 lasketballs, 24 s...
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