They are called identities because:
w-x = 0
w = x (carry x to the other side) is the same as x = w
in the other case:
wx-x = w / divide by w on both side
x -x = 0
x = x (carry x to the other side)
In both cases the equations are the same.
Answer:
The possible graph is "A". A further explanation is given below.
Step-by-step explanation:
The given values are:
Dominick spends on running
= 0.70 hours
He spends on swimming
= 1.5 hours
This week,
Dominick spends more than six hours.
If,
Number of runs be "x".
Number of swimming be "y".
then,
⇒ 
⇒ 
⇒ 
Therefore, 
x = 0
y = 4
So the above is the correct answer.
Answer:
A.
Step-by-step explanation:
Answer:
420
Step-by-step explanation:
(−5)(−2)(−7)
(-) × (-) = (+)
(+) × (-)= (-)
-) × (-) = (+)
(−5)(−2)(−7)(−6)= 5×2×7×6 =10×42420
Answer: c
Step-by-step explanation: it is seven lines up and three away from 1 making it 0.7