2 answers:
4) A=1/2 bh A = 1/2(6)(3) A = 9 in^2 5) A=1/2 bh A=1/2(7)(10) A = 35 m^2 6) A=1/2 bh A=1/2(5)(8) A=20 ft^2 7) A=1/2 (b1+b2)h A=1/2 (5+10)8 A=60 in^2 8) A=1/2 (b1+b2)h A=1/2 (13+19) 10 A=160 mm^2 9) A=1/2 (b1+b2)h A=1/2 (3+6) 2 A = 9 ft^2
4)A=1/2 bh A = 1/2(6)(3) A = 9 in^2 5)A=1/2 bh A=1/2(7)(10) A = 35 m^2 6)A=1/2 bh A=1/2(5)(8) A=20 ft^2 7)A=1/2 (b1+b2)h A=1/2 (5+10)8 A=60 in^2 8)A=1/2 (b1+b2)h A=1/2 (13+19) 10 A=160 mm^2 9)A=1/2 (b1+b2)h A=1/2 (3+6) 2 A = 9 ft^2
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Step-by-step explanation:
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Hope this helps. - M
3a - 5(a - 2) = 34
Distribute -5 inside the parentheses
3a - 5a + 10 = 34
Combine like terms
-2a + 10 = 34
Subtract 10 from both sides
-2a = 24
Divide both sides by -2
a = -12