Answer:
I believe it's
The pH of solution A decreases, and the pH of solution B decreases.
Step-by-step explanation:
if the line is higher on the right-hand-side than on the left-hand-side, the slope is positive.
if the line is lower on the right-hand-side than on the left-hand-side, the slope is negative.
Answer:
90.24 divided by 6.3
Step-by-step explanation:
For reaching to the answer, we have to test each of the options given
The first option says that the divisor and dividend is 90.24 and dividend is 6.3
Now if we rounded it
So it would be 90 and 6
So, the quotient is
= 90 ÷ 6
= 15
Hence, the first option is correct
i.e. 90.24 divided by 6.3
And, all the other options are wrong
Hello,
Let a the greater number
b the smaller one
a-b=18
2b=3a-56
==>
a-b=18 |*(-2)
3a-2b=56
==>a=56-2*18
==>a=20 and b=a-18=2
Proof a-b=20-2=18
2=3*20-56
Numbers are 20 and 2.
Answer:
695 km and hour
Step-by-step explanation: