Answer:
+7 or 7
Step-by-step explanation:
an integer is a whole number. So the question asks what whole number represent this real world situation. A positive charge to an atom can not be represent by a negative number (number below zero). Therefore, it has to be positive.
Answer:
396010000
Step-by-step explanation: You multiply 19,900 * 19900 because there are 2 pools and you will get your answer
Ten times two is equal to twenty.
Answer:
y = -2
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
Using Pythagoras' identity in the right triangle.
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is
x² + 32² = 48²
x² + 1024 = 2304 ( subtract 1024 from both sides )
x² = 1280 ( take the square root of both sides )
x = 
= 
=
× 
= 16
→ C