Answer:
17.84875
Step-by-step explanation:
5.45 x 3.275 = 17.84875
2+ 0.0+ 0.05+ 0.009okay so you just have to add the numbers. so you add 2+0.0+0.5+0.009. then you will get you answer. i hope this helps!!!!
Answer:
10
Step-by-step explanation:
let the number be n then half the number is
n, then
n +
n = 15
Multiply through by 2 to clear the fraction
2n + n = 30, that is
3n = 30 ( divide both sides by 3 )
n = 10
Thus the number is 10
Answer:
28
Step-by-step explanation:
Using the rule of radicals
×
⇔ 

= 
=
× 
= 4
Then
7
= 7 × 4
= 28