Answer:
Step-by-step explanation:
Answer:-17/40
You are adding positive 3/8 to negative 4/5. The first step is the find a common denominator, so you would end up with -32/40+15/40. To solve, you could do 32-15=17. You would have negative 17/40. It cannot be simplified.
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Sn = n/2[2a + (n-1)d]
n=11
a=2
d=3
Sn= 11/2[2(2) + (11-1)3]
Sn= 11/2(34)
Sn = 11x17
=187.
1.) The answers:
A) BME
B) MER
C) Mm
D) xBy
E) Straight
F) REB
G) MEB and BER
H) xBy
37.5
16/46 = 20/(20+x)
or, 16(20+x) = 46×20
or, 320 + 16x = 920
or, 16x = 600
or, x = 600/16
x = 37.5
