Addition of a hydronium ion increases its concentration and the solution becomes more acidic, Therefore the pH decreases.
Answer:
Last week she work .
Step-by-step explanation:
Given:
Last week Stacy earned $24 for baby sitting for hours in her part time job at Burger city she work 12 hours and earned $78.
Now, to find the total hours she work last week.
<em>As, given she work 12 hours and earned $78.</em>
So, to solve by using unitary method:
If she earned $78 in working 12 hours.
So, she earned $1 in working =
<em>Thus, she earned $24 in working</em> =
Therefore, last week she work .
First solve the root part. It will be 64. Then multiply 64 with (4-7), -3. 64*-3*5= -192*5=-960
Answer:
50 + 200h
Step-by-step explanation:
288/12=24 Therefore, the length of the base is 24 cm.