Answer:
5.14
Step-by-step explanation:
first you divide 7 by 4 then you get 1.75, then you want to divide 1.75 by 1.75 to get it to 0, then you divide 9 by 1.75 so b=5.14
Answer:
1 / 13
Step-by-step explanation:
lets just say the number is 'x'
5/2 + 6x = 7/2 - 7x
6x + 7x = 7/2 - 5/2
13x = 2/2
13x = 1
x = 1/13
proving it
5/2 + 6 × 1/13 = 7/2 - 7 × 1/13
5/2 + 6/13 = 7/2 - 7/13, solving the fraction by finding the L.C.M will result in
77/26 = 77/26
-(1.5) -1,-1/2 ,2.5,3
Least. Greatest
Answer:
Describe two ways you think a sound wave could be stopped or could change change direction.