1) Qual é a equação que representa o perímetro de 103 cm de um triângulo escaleno? * 1 ponto

a) 3x = 103

b) 2x – y = 103

c) x + y + z = 103

d) x + 3y = 103

2) Determine a área de um triângulo equilátero, sabendo que este tem 48 cm de perímetro e altura 14cm. *

1 ponto

a) 96 cm²

b) 100 cm²

c) 104 cm²

d) 112 cm²

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Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Consider this equation. |y + 6| = 2 what can be concluded of the equation? check all that apply. there will be one solution. there will be two solutions. the solution to –(y + 6) = 2 will be also be a solution to the given absolute value equation. the solution(s) will be the number(s) on the number line 2 units away from –6. the value of y must be positive since the variable is inside absolute value signs.

What is the distance between point a and b