Khai triển các hàng đẳng thức đàn nhớ sau
a) (a+2)>2
b (2a - b)>2
c) (2a-1)>...
Mathematics, 30.08.2021 09:20 mmaglaya1
Khai triển các hàng đẳng thức đàn nhớ sau
a) (a+2)>2
b (2a - b)>2
c) (2a-1)>3
d) (2x-1)(2x+1)
e) 27>3 - 1
f) (a-1)>3
g) (a-1)>2
Answers: 3
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Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?
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Given sin∅ = 1/3 and 0 < ∅ < π/2 ; find tan2∅ a. (4√2)/9 b. 9/7 c. (4√2)/7 d.7/9
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Mathematics, 21.06.2019 23:20
1. ∠1 is complementary to ∠2 and ∠3 is complementary to ∠2. subtraction property of equality 2. m∠1 + m∠2 = 90 and m∠3 + m∠2 = 90 substitution 3. m∠1 + m∠2 = m∠3 + m∠2 definition of complementary 4. m∠1 = m∠3 given
Answers: 3
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