Answer:
I believe its 66
Step-by-step explanation:
55×20%=11
55+11=66
Answer:
The answer for question one is 162 cm
You have 7 numbers, two numbers 4 , one 5, one 6 and three numbers 7.
From these 7 numbers you can create

phone numbers, but they are not all different.
If you have two numbers 4, then you have to divide obtained number by 2! (the number of all possible permutations of two numbers 4) and since you have three numbers 7 you should divide the obtained number by 3! (<span>the number of all possible <span>permutations of three numbers 7</span>). Then</span><span /><span>
</span><span>
</span><span>

.</span>
Answer: You can create 420 different phone numbers.<span />
Answer:
+C
Step-by-step explanation:
we are to find the integral of
dx.
we will integrate by using the principle of integration of a sum or difference of two functions by integrating them separately.
∫x/25-9x^2 dx =
+C
=
+C