Please help me with kahn academy
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Mathematics, 21.06.2019 13:00
If a and b are the measures of two first quadrant angles and sin a = 4/9 and sin b = 2/5 find sin(a+b).
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Mathematics, 21.06.2019 14:30
1. what is the formula for finding the vertical distance between two points on a coordinate plane?
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Mathematics, 21.06.2019 18:30
Divide. write in the simplest form. 4 1/6 divided by 10
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Mathematics, 21.06.2019 19:30
Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?
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History, 02.02.2020 15:50
Chemistry, 02.02.2020 15:50
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Mathematics, 02.02.2020 15:50