Answer:
Step-by-step explanation:
The question is
<em>We let , so the equation becomes:</em>
Where
Putting it in the quadratic formula, we have:
<u>Quadratic formula:</u>
Substituting we have:
<em>We let , so x is:</em>
<em></em>
<em>and</em>
<em></em>
The solutions of the equation is (rounded to 2 decimal places), and (rounded to 2 decimal places)
Answer:
Y= x+2
Step-by-step explanation:
The x value is always adding 2 to get the y value
1+2=3
2+2=4
3+2=5
4+2=6
5+2=7
Therefore your answer is y = x + 2
Hope this helps!
Answer: In step 1, Andrew used the commutative property
Explanation:
In step 1 he used commutative, which is a + b = b + a
(- 5.7 + 2.2) = 2.2 + (- 5.7)
Step 2, he used associative property, not the distributive.
Step 3, he just added5.7 + 1.1 = 6.8
Step 4, he distributed the negative sign:
- (6.8) = - 6.8
Use multiplication:
90 minutes per day * 30 days is 2,700 minutes in a month with 30 days.
2,700 minutes is also equal to 45 hours, as 2,700 minutes / 60 minutes per hour is 45 hours.