Answer:
Irrational.
Step-by-step explanation:
The square root of 35 is not a perfect integer.
Answer:
=£1970
Step-by-step explanation:
10%=£360
5%=£190
40%=£1440
45%=£1630
£3600-£1630=£1970
Answer:
161 postage stamps
Step-by-step explanation:
simply plug in 18 for p, since there are 18 pages
t = 35 + 7 (18)
t = 35 + 126
t = 161
Answer:
x = +5
Step-by-step explanation:
The triangles ADB and BDC are similar. Thus it is possible to write an equation of ratios and solve it for x:
x 10
----- = -------
10 4x
Cross-multipying, we get:
4x^2 = 100, which yields x = +5