Answer:
The same number was not added to both sides.
Step-by-step explanation:
The same number was not added to both sides.
In line 2, 6 was added to the left side and 78 was added to the right side.
It is the first one because if u gain an amount and lose that same amount you don't gain anything.
25-25=0
Answer:
Using the Pythagorean theorem
a^2 + b^2 = c^2
c = square root(a^2 + b^2)
c = square root(27^2 + 36^2)
c = square root(729 + 1296)
c = square root(2025)
c= 45
<u>Straight Line Distance = 45 miles</u>
Answer:
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We have a proportion: ?/50= 40/100
Cross multiply:
100*?= 40*50
⇒ ?= 40*50/100= 20
The student needs to score 20 points~
