Answer:
Option (b) is correct.
The sum of given expression is
Step-by-step explanation:
Given:Expression
We have to find the sum of the given expression and choose the correct from the given options.
Consider the given expression .
can be written as
Also, can be written as
Now, the given expression becomes,
.
Now, adding like term, terms having same variable with same degree.
.
Thus, The sum of given expression is
First, you’re gonna find your rate of change for minutes per mile by dividing the minutes by the miles (25/3.5), which equals about 7.14 minutes (but if you don’t round, it’s 7.14285714 minutes) and then you’ll multiply this by 7 miles (7.14285714*7) and get 50 minutes for 7 miles.
Step-by-step explanation:
8a - 1 + 0.5b = 8(1/4) - 1 + 0.5(10)
= 2 - 1 + 5
= 1 + 5
= 6
First stack has 8 blocks.
Second stack has 12 blocks.
Third stack has 8 blocks.
Fourth stack has 14 blocks
8+12+8+14=42
There’s a total of 42 wooden blocks used.