It’s using the distributive method. 7 x a is 7A and 7 x 13 is 91, therefor it is 7A+91.
Note that f(1) = 6(1)+2 = 8. Next, evaluate g(x) at x=8: g(f(1)) = g(8) = 2(8) + 4/5, or 16 4/5.
Given:
A bricklayer is able to set 2.5 bricks in one minute.
Required:
To find the number of bricks can he set in 8 hours.
Explanation:
8 hours =480 minutes.
2.5 bricks in one minute.
So for 480 minutes,
Final Answer:
1,200 bricks can he set in 8 hours.
The appropriate numbers to fill in the magic squares are;
Row 2, Column 2 = 21/133
Row 2, Column 3 = 24/38
Row 3, Column 2 = 70/95
Row 3, Column 3 = 25/95
<h3>How to use magic squares?</h3>
To solve this magic square, we will follow the procedures below;
- Step 1; Convert all the numbers into lowest forms.
- Step 2; Find the sum of any column or row which is 34/19.
- Step 3; Put the numbers given in such positions that the sum of each row, column and diagonal is equal.
- Step 4; Write the numbers in their original form.
When we follow those steps above, we will arrive at the following figures;
Row 2, Column 2 = 21/133
Row 2, Column 3 = 24/38
Row 3, Column 2 = 70/95
Row 3, Column 3 = 25/95
Read more about Magic Squares at; brainly.com/question/16160523
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