538
-247
------
8-7=1
Cross out 5 and make it 4. Make 3 into 13. 13-4=9
4-2=2
The answer is: 291
Answer:
55a=
step-by-step explanation:
So you have 3 and you want to get rid of 2 2/5. 3-2 is 1 1-2/5 is equal to three fifths, which is the answer.
7 because 13-6 is equal to 7
For this case, the first thing we should do is use the following equation:
x ^ 2 + x-30
Here, we substitute the value of x = 20
We have then:
(20) ^ 2 + (20) -30 = 390 m ^ 2
Answer:
the area of the land when the length of the dentist's office is 20 meters is:
390 m ^ 2