Um, I'd say discrete because it's not important. I'd never say it's continuous.
<span> value
Weighted mean average = ---------------------------
number of brands
value = mean price of computers from Store
#1 * number of brands from store #1 + mean price of computers from store #2 * number of brands from store #2
value = $799.99 * 2 + $679.99 * 4 = $4,319.94
number of brands = 2 + 4 = 6
weighted average = $4,319.94 / 6 = $ 719.99
Answer: option b. $719.99
</span>
Answer: A. sqrt of 500.
Step-by-step explanation: If you simplify the sqrt of 500, you will get 10 sqrt of 5
Answer:
The number of melon was 3 and the number of apples was 45.
Step-by-step explanation:
1. Melons cost $20 per crate and apples cost $8 per create. If the total was 48 crates for $420, you can make the following system of equations, where
is the number of melons and
is the number of apples:
![\left \{ {{x+y=48} \atop {20x+8y=420}} \right.](https://tex.z-dn.net/?f=%5Cleft%20%5C%7B%20%7B%7Bx%2By%3D48%7D%20%5Catop%20%7B20x%2B8y%3D420%7D%7D%20%5Cright.)
2. By applying the Method of substitution, you can solve for
in the first equation and substitute it into the second one to find
. Then, you can substitute the value of
into the first equation to find
:
![y=48-x](https://tex.z-dn.net/?f=y%3D48-x)
![20x+8(48-x)=420\\20x+384-8x=420\\12x=36\\x=3](https://tex.z-dn.net/?f=20x%2B8%2848-x%29%3D420%5C%5C20x%2B384-8x%3D420%5C%5C12x%3D36%5C%5Cx%3D3)
![3+y=48\\y=45](https://tex.z-dn.net/?f=3%2By%3D48%5C%5Cy%3D45)