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Brazil
1. Uma pessoa tem 1,95 m de altura e, em determi- nado instante, sua sombra mede 2,60 m. Calcule a razāo entre a medida da altura da pessoa e a medida de sua sombra naquele instante.
Geometry Mar 30, 2025
do o conjunto A={3,4,5,6,7,8,9,10},B={9,10,11,12}e ={5,7,9,11,13}, determine os elementos do conjunto (A∩B)∪C
Other Mar 30, 2025
03. Dadas as matrizes A=(230−1) e B=(5−1−60) determine A+B : A) (82−61) B) (−8−260) C) (−826−1) D) (−8−2−60) E) (8260)
Algebra Mar 30, 2025
f(x)=3x+4g(x)=2x−3 Encontre: f∘g(x)
Algebra Mar 30, 2025
C) 25+{12+[2−(8−6)]+2}=
Pre Algebra Mar 30, 2025
B) 18−{2×[5×3+(8×4−2×9)−(19×3−37)]}
Algebra Mar 30, 2025
A) {[(18−3)+(7+5)−2]+5}−12=
Pre Algebra Mar 30, 2025
f(x)=3x+4g(x)=2x−3 Encontre: f∘g(x)
Algebra Mar 30, 2025
a) 17x−7x=x+18 b) x+x−4=17−2x+1 c) x+2x+3−5x=4x−9 d) 5x+6x−16=3x+2x−4 e) 5x+4=3x−2x+4 f) 4(x+10)−2(x−5)=0 g) 3(2x+3)−4(x−1)=3 h) 7(x−1)−2(x−5)=x−5 i) 2(3−x)=3(x−4)+15 j) 3(5−x)−3(1−2x)=42 1) (4x+6)−2x=(x−6)+10+14 m) (x−3)−(x+2)+2(x−1)−5=0 n) 3x−2(4x−3)=2−3(x−1) e) 3(x−1)−(x−3)+5(x−2)=18 p) 5(x−3)−4(x+2)=2+3(1−2x) q) 13+4(2x−1)=5(x+2) s) 2(x+5)−3(5−x)=10
Algebra Mar 30, 2025
f(x)=3x+4g(x)=2x−3 Encontre: f∘g(x)
Algebra Mar 30, 2025
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