Answer:
The solutions are x = -4 and x = 4.
Step-by-step explanation:
Solving a quadratic equation:
We have to find x for which
.
In this question:

So




The solutions are x = -4 and x = 4.
Answer:
427.39
Step-by-step explanation:
First find out what is 7.25% of 398.50
398.50 * .0725 = 28.89
Add the 7.25% of 398.50 to 398.50
398.50 + 28.89 = 427.39
Set up a proportion of peaches/ number of jars.
18/4=x peaches/14
Cross multiply;
4x=252
x=63
So 63 peaches. Hope this helps.
Answer:
im smart right
Step-by-step explanation:
The correct ois D. -17.5 degrees
Step-by-step explanation:
The daytime temperature in Apple Valley is
falling by 2.5 degrees each day
Therefore, Change in the temperature each day
=-2.5 degrees
Now, we need to find the net change in the daily
temperature after one calendar week
Now, number of days in one calendar week = 7
So, Net change in the daily temperature after
one calendar week = Daily change × Number of
days in one calendar week
Net change in the daily temperature after
one calendar week =-2.5 x7
# Net change in the daily temperature after
one calendar week =-17.5 degrees
Therefore, The correct option is -17.5
degrees