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# Last year, keiko had \$20,000 to invest. she invested some of it in an account that paid %7 simple interest per year, and she invested the rest in an account that paid %5 simple interest per year. after one year, she received a total of \$1,280 in interest. how much did she invest in each account?   ### Another question on Mathematics Mathematics, 04.02.2019 19:17
In the figure below, segment ac is congruent to segment ab: triangle abc with a segment joining vertex a to point d on side bc. side ab is congruent to side ac which statement is used to prove that angle abd is congruent to angle acd? segment ad bisects angle cab. triangle acd is similar to triangle abd. segment ad is congruent to segment ac. angle cab is congruent to angle cba. Mathematics, 04.02.2019 18:57
What is the domain and range of each function 1. x (3, 5, 7, 8, 11) y ( 6, 7, 7, 9, 14) 2. x (-3, -1, 2, 5, 7) y (9, 5, 4, -5, -7) Mathematics, 03.02.2019 22:00
1. writing an equation for an exponential function by 2. a piece of paper that is 0.6 millimeter thick is folded. write an equation for the thickness t of the paper in millimeters as a function of the number n of folds. the equation is t(n)= 3. enter an equation for the function that includes the points. (-2, 2/5) and (-1,2) Mathematics, 02.02.2019 02:53
Shared decision making is always a positive strategy to take
Last year, keiko had \$20,000 to invest. she invested some of it in an account that paid %7 simple in...
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