Answer:
d
Step-by-step explanation:
add 18.4 on either side
Answer: A , B, C, E
Step-by-step explanation:√4 = 2√5 = 2.24√5.5 = 2.36√6 = 2.45√8 = 2.83√9 = 3
A)√5 < 2.3<√62.24 < 2.3 < 2.45 True
B)√5 < 2.4<√62.24 < 2.4 < 2.45 True
C)√4 < √5 < √5.52 < 2.24 < 2.36 True
D)√8 < 3 < √92.83 < 3 < 3 False
E)√8 < 2.9 < √92.83 < 2.9 < 3 True
F)√4 < 4.5 < √52 < 4.5 < 2.24 False
Answer:
7
Step-by-step explanation:
average of 7th grade - average of 8th grade = 7
average of 7th = (52+55+57+57+58+60+60+62+64+65)/10
= 590/10
= 59
average of 4th = 44+48+48+51+52+52+54+54+57+60
= 520/10
= 52
59 - 52 = 7
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