find the area of a circle with a radius of two either enter an exact answer in terms of pi or use 3.14 for pi and enter your ans
2 answers:
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Answer:
13 is the number.
Step-by-step explanation:
Given:
Twice the difference of a number and 9 equals 8.
Let the unknown number be 'x'.
Therefore, as per question:
The difference of 'x' and 9 =
Twice the difference means 2 times the difference. So, we multiply 2 to the difference. Therefore,
Now, the above expression is equal to 8. So, we equate the above expression to 8. This gives,
Solving for 'x', we get:
Using distributive property of addition and distributing 2 inside the bracket. This gives,
Therefore, the unknown number is 13.
Now, we can verify our answer.
Therefore, the answer is correct.
Answer:
g = 36
Step-by-step explanation:
We have the equation + 7 =19
Subtract 7 from both sides: = 19 - 7 = 12
= 12
Now, multiply by 3 to both sides: 3 × = 3 × 12
g = 36