49, because if he bought 9 you need to add that to 40 to get the whole
Prime because u can not times anything besides 1 and itself there fore it is a prime number
Answer:
C=9 or c=-7
Step-by-step explanation:
|-5c+5|=40
-5c+5=-40 or - 5c+5=40
-5c=-40-5. - 5c=40-5
-5c=-45. - 5c=35
C=9. C=-7
Answer:
61
Step-by-step explanation:
1. let the unknown be x
2. using theorem of Pythagoras that states the hypotenuse will be equal to the sum of the other two sides we can determine that 75=14+X
3. this implies that X=75-14
4. therefore X= 61
Answer:10.9
Step-by-step explanation:You add all of the numbers together (76) and then divide by the total of numbers (7). You will get 10.85714286, you have to round to the nearest 10th , so the 5 changes the 8 to a 9.