9 or -9 ...if I’m wrong sorry
There are 8 marks on the line and the first line is 3 long while the second is 2 long
c. 3/8+2/8=5/8
Answer:
2 1/3 planes
Step-by-step explanation:
3.5 lego planes / 60 minutes
So fraction =
3.5/60
In 40 minutes he will build x planes
So the fraction equation is:
3.5/60 = x/40
Solve:
Cross multiply =
140 = 60x
x = 2 1/3
2 1/3 planes
If my answer is incorrect, pls correct me!
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-Chetan K
simplify exponent: 20*(9-4)/50
simplify parentheses: 20*5/50
multiply: 100/50
divide: 2
Answer:
(5√12)/12
Step-by-step explanation:
In general, 1/√a can be rationalized as (√a)/a. That is the denominator can be multiplied by the square root of the same number to rationalize it. The numerator needs to be multiplied by the same square root.
