Answer:
Step-by-step explanation:
50+70=120
180-120=60
I'm pretty sure the answer is 60
The standard deviation is the square root of the variance...so that means the variance is the standard deviation squared.
2.3^2 = 5.29 <===
4(10+3)
40+12
52
Mark brainliest please
Hope this helps you
Answer:
Its 40.9!
Step-by-step explanation:
The opposite sides of angles are most of the time congruent, or the same!
Hope this helps and don't forget to follow!
Answer:
450 ounces
Step-by-step explanation:
We know that the cost of the mixture
must be the cost of the everyday moisturizing lotion
plus the cost of the self-tanning lotion
, which means
.
The cost of any substance will be the cost per ounce of the substance (c), multiplied by the number of ounces (n), which means C=nc, so we have from the previous formula that we have:

But we also know that the number of ounces of the mixture must be the sum of the number of ounces of the everyday moisturizing lotion with the number of ounces of the self-tanning lotion, so we have

We want to calculate the number of ounces of the self-tanning lotion (
), so we solve for that variable:




And substitute our values in this formula, to get:
