Hi!
10.
This question is basically asking you, 10 is 40% of what number?
10 × 100 / 40 = 25
Fred must do 25 math problems.
12.
Bed & Bath = 40%
Clothing = 0.625 = 62.5%
Appliances = 20%
Electronics = 0.25 = 25%
Least to Greatest: Appliances (20%), Electronics (25%), Bed & Bath (40%), Clothing (62.5%).
Answer:
The third one, x+(x+1)+(x+2)=-21 because x, x+1 and x+2 are three consecutive numbers.
There are two -main- approaches to answer this problem. By using the sine identity, or applying law of sines.
We'll do the sine trig. identity, as it is the most effective.
Given an angle '
![\alpha](https://tex.z-dn.net/?f=%20%5Calpha%20)
' in a right triangle, '
![sin( \alpha )](https://tex.z-dn.net/?f=sin%28%20%5Calpha%20%29)
' is defined as the opposite side of the triangle to the given angle, over the triangle's hypotenuse.
So, for this setup:
![sin(20)= \frac{x}{10}](https://tex.z-dn.net/?f=sin%2820%29%3D%20%5Cfrac%7Bx%7D%7B10%7D%20)
Now, we solve for x:
So, answer is 3.4
Answer:
you combine the numbers that are the same and see the signs if it's positive with the negative, it's going to be negative
A C B is false. because A is a larger set than B it can't be a subset