Answer:
35
Step-by-step explanation:
Work backwards
21x2=42
42-7=35
Answer:
See there is x° see the angle is right angle so
X = 90°
Y = 270°
Answer:
the percent of increase is 24%
Step-by-step explanation:
The percent of increase in general could be calculate as:
where Vf is final value and Vi is initial value.
From the question we know that Vi is equal to 25 and Vf is equal to 31. Replacing this values on the equation we get:
That's mean that at second attempt the percent of increase is 24%, taking into account that at the first attempt a student get 25 questions correct.
Answer:
ANY NUMBER THAT HAS A X BEHIND IT..
Examples
1x
7x
15803x
104762836297x