Answer: 40
Step-by-step explanation:
Answer:
Step-by-step explanation:
x^2+14x+45=0
x^2+(9+5)x+45=0
x^2+9x+5x+45
x(x+9)+5(x+9)=0
(x+9)(x+5)=0
either x+9=0 Or,x+5=0
x+9=0
x=0-9
x=-9
x+5=0
x=0-5
x=-5
therefore x=-9,-5
An equinox is when there are equal amounts of daylight and hours in the night. The equinox falls twice in a year and there is a winter solstice and a summer solstice.
Given:
She is required to read a total =
hours a week.
Monday she read
hours.
Tuesday she read
of an hour.
Thursday she read 3 hours.
To find:
The total hours does she still need to read in order to get full credit.
Solution:
Total time =
hours a week.
Total time she already read
hours
hours
hours
hours
hours
Now,
Remaining time = Total time - Total time she already read






Therefore, the required time is
hours.