The correct answer is: [A]: "1" .
_____________________________________________
There is one (1) solution to the equation given:
______________________________________
√x = 7 .
______________________________________
The solution is: x = 49.
_______________________________________
Answer:
the answer is second one 14
Answer:
- A matches with 5.
- B matches with 3.
- C matches with 2.
- D matches with 6.
- E matches with 4.
- F matches with 1.
Step-by-step explanation:
To find the inverse of a function 
, we let 
and then solve again for y.
For example, using 
, we will let 
, giving 
. This means that 
, and thus 
.
Using similar logic, we see that:
- A matches with 5.
- B matches with 3.
- C matches with 2.
- D matches with 6.
- E matches with 4.
- F matches with 1.
The number of pounds of copper in 120 pounds of brass is = 78 pounds of copper
<h3>Calculation of number of pounds of copper</h3>
The percentage of copper in the brass = 65%
Therefore the quantity of copper in the brass = 65/100= 0.65 pounds
This means that 1 pound brass contains = 0.65 pounds of copper
The quantity of copper in 120 pounds of brass = 120 * 0.65
= 78 pounds of copper.
Learn more about copper here:
brainly.com/question/24856041
#SPJ1
