Answer:
150% change
Step-by-step explanation:
Formula for Percent change = C =[ (new - old)/ old ]* 100%
C = [ (25 in. - 10 in.) / 10 in. ] = [15/10 ] * 100% = 150 %
Answer:
This is a biased sample.
Step-by-step explanation:
This is because she gave a random sample, but the she had the convenience of the students being with her when she surveyed. So it'e not actually random. She could also worded the survey or gave a biased response.
There is a theorem that states that RT =2TH.
3x - 7 = 2(x + 1)
3x - 7 = 2x + 2
x - 7 = 2
x = 9
3 letters to US = 3*0.94 = 2.82
2 local letters = 2*0.44 = 0.88
checking: 2.82+0.88 = 3.70
to get rid out of 0.04 cents you have to multiply it by 5. so total number of letters would be 5.
Rational numbers are whole integers w no fractions. bc the square root of 72 is not a whole number, it is irrational
