O retângulo de dimensões x cm por 2x + 3 cm, apresen- tado na figura a seguir, tem área equivalente a 44 cm².
Escreva uma equação para representar essa situação,
encontre o valor da incógnita xe, em seguida, determine
a medida do comprimento e da largura desse retângulo.
X
2x + 3​

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.