Answer:
first evening = 21 phone calls
second evening = 11 phone calls
third evening = 84 phone calls
Step-by-step explanation:
Total phone calls = 116
Let
Number of calls in the first evening = x
The second evening = x - 10
The third evening = 4x
Total phone calls = first evening + second evening + third evening
116 = x + (x - 10) + 4x
116 = x + x - 10 + 4x
116 + 10 = 6x
126 = 6x
x = 126 / 6
x = 21 phone calls
Number of calls in the first evening = x
= 21 phone calls
The second evening = x - 10
= 21 - 10
= 11 phone calls
The third evening = 4x
= 4(21)
= 84 phone calls
Answer:
-56c+ 30
Step-by-step explanation:
4c + 10(3 – 6c)
Rearrange terms
4c + 10(3 – 6c)
4c+10(-6c+3)
Distribute
4c+10(-6c+3)
4c-60c+30
Combine like terms
4c-60c+30
-56c+30
Common factor
-2(28c-15)
Distribute
-2(28c-15)
-56c+30
Solution:
-56c+30
Answer:
-2k+7
Step-by-step explanation:
Hello there! :)
6^8*6^3
Here, we have the same base, so we add the powers:
6^11
Now, our expression looks like this:
6^11/6^5
Subtract the powers now that we divide:
6^6
So the missing exponent is 6. Hope it helps!
If you have any query, feel free to ask!
~An excited gal