Answer:
Step-by-step explanation:
Answer:angle x=5
Step-by-step explanation:
Sum of triangles =180 ,x+90+45+40=180, x+175=180 ,x =5
2+2a 1x4a
------ ------
b b
LOL, idk if this is right, but it is how i think it should be solved
Best Answer
999/7 is just over 142
100/7 is just over 14
so there are (142 - 14) = 128 numbers that are multiples of 7, hence there are 999-99-128 = 772 numbers that are not multiples of 7.