Answer:
<h2>
A. Zero, because the discriminant is negative. </h2>
Step-by-step explanation:
I just did it.
Answer:
the answer is the letter a) -sin x
Step-by-step explanation:
Simplify the expression.
sine of x to the second power minus one divided by cosine of negative x
(1−sin2(x))/(sin(x)−csc(x))
sin2x+cos2x=11−sin2x=cos2x
cos2(x)/(sin(x)−csc(x))csc(x)=1/sin(x)cos2(x)/(sin(x)− 1/sin(x))= cos2(x)/((sin2(x)− 1)/sin(x))sin2(x)− 1=-cos2(x)cos2(x)/(( -cos2(x))/sin(x))
=-sin(x)
Answer:

Step-by-step explanation:
Total amount of water = 500 ml
Mary drank = 400 ml
<u>Left:</u>
= 500 ml - 400 ml
= 100 ml
This was divided equally among 4 friends.
So,
<u>Each friend got:</u>
= 100 ml/4
= 25 ml
![\rule[225]{225}{2}](https://tex.z-dn.net/?f=%5Crule%5B225%5D%7B225%7D%7B2%7D)
Answer:
The bacteria will grow from 1 to 1024 in 10 hours
Step-by-step explanation:
Given
P_0 = 1
P = 1024
We have to find time
Putting values in the formula

Anything multiplied with 1 remains the same

Using the property "when bases are same, the exponents can be put equivalent"
t = 10 hours
Therefore, the bacteria will grow from 1 to 1024 in 10 hours ..