Answer:
x = 16
Step-by-step explanation:
To solve the equation, we need to solve for x. Since it's being square-rooted right now, we need to square it (inverse operation of square root). Since we square one side, we also need to square the other to keep the equality:
Answer:
56
Step-by-step explanation:
solution
Here
P=8a=8·7=56
Answer:
12
Step-by-step explanation:
15×0.8= 12
you're multiplying the total number of questions with the score as a decimal
Answer: x ≥ 11
Step-by-step explanation: We wrote an inequality to represent this situation.
Answer:
70.
Step-by-step explanation:
Let x be the required number.
We are asked to find the number whose 90% equals to 63.
We can represent our given information in an equation as:
Now, we need to solve for x.
Therefore, 90% of 70 is 63.
