Answer:
Option A
Annette picked 50 roses from the garden
Step-by-step explanation:
Let us understand the problem, designating letters to represent unknown quantities.
Let the total number of roses = x
20% of the roses were red means that 20% of x = red
Since the number of red roses = 10,
we will have that 20% of x = 10
mathematically, we will have

hence, Annette picked 50 roses from the garden
For this case we have the following quadratic equation:

Where:

Its roots will be given by:

The roots are:

Answer:

Answer:
the third one
Step-by-step explanation:
5.26 is less than 5.4
Answer:
1.4375
Step-by-step explanation:



= 
3. The answer should be : Yes, the number is written in scientific notation.
4. the answer is : Yes, the number is written in scientific notation.
5. The answer is option 3