7. 65 + 75 = 140
180 - 140 = 40
( I think this is the answer)
Answer: This question cannot be answered.
Explanation:
If you add three odd numbers, the sum must also be an odd number. To get an even number, you have to add an even number of odd numbers, e.g. 2 or 4. Adding 3 odd numbers to get 30 is therefore not possible. So the question cannot be answered.
Answer:
1050
Step-by-step explanation:
Multiply all 3 numbers
20x7=140 140x15=2100
Then divide by 2
2100/2=1050
Hope this helps :)
Answer:
You should first find the side length of each square, and then use the Pythagorean theorem to find x.
Step-by-step explanation:
Answer:
5+(-3)-6
= 5+(-9)
= -4
Step-by-step explanation:
Hope it helps..