A kite is stuck in a tree and Joe is holding the string. The angle formed between the kite string and the tree is 50°. The distance between Joe
and the tree is 12 feet. How long is the kite string? Round to the nearest
tenth.

15 feet

Step-by-step explanation:

u04- (Saresp–2008) Nas Lojas Compre Aqui, um micro-ondas pode ser vendido de duas formas: à vista por R$ 299,00 ou em 12 parcelas iguais de R$ 32,15. As amigas Giovana e Mariana compraram, cada uma, um micro-ondas nessa loja: a primeira, à vista e a segunda, a prazo. Assinale a alternativa que mostra a quantia que Mariana pagou a mais do que Giovana.

2 pontos

a) R$ 22,50.

b) R$ 86,80.

c) R$ 129,30.

d) R$ 266,85.

e) Não houve diferença

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square