Atenção: A cada hora, o ponteiro das horas se desloca 360 12-30 graus
7) Os 2 angulos formados pelos ponteiros de
um relógio às 8 horas medem
121
11 12
10
2
9
3
B
7 6 5
a) 60° e 120°
b) 120° e 160°
c) 120° e 240°
d) 140° e 220°​

16

step-by-step explanation:

2 x 40 = 80

80/5

= 16

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

answer

you start with $5 and save $10 a week until you have at least $45wer

step-by-step explanation: