Answer:
-7 - 8n
Step-by-step explanation:
Another way would be to rearrange the terms = -7 - 8n
Answer:
30-(-15)-40
=5
Step-by-step explanation:
You will the subtraction sign to open the bracket
30-(-15)-40
when - and - meet it turns to + (note only happens when opening a bracket)
this is ur result....30+15-40=5
thats how u get your 5
Surface are = [(3*4) + (3*5) + (4*5)] *2 calculate as 94 squat inches
Ok, so first you know that each number is out of 50, so to find a percentage you double each number: 64,56,42,48. Now find the mean (add all numbers together and divide by the amount of numbers: 64+56+42+48=52.5. This means the average percentage of heads is 52.5. Now you just need to find 52.5% of 1,000. That's 525. So the answer is 525. Your welcome :)
