Mult. all 3 terms by 5: x + 45 = 20.
Subtr. 45 from boths ides: x = -25 (answer)
Answer:
2.71
Step-by-step explanation:
-y + (- z) + 7.99 =
= -(1.46) + [-(3.82)] + 7.99
= -1.46 - 3.82 + 7.99
= 2.71
Answer:
The dog can eat 2/3 of a bag of food in 1 week
Step-by-step explanation:
If the dog can eat 1/3 of a bag of food in 1/2 week (half of a week), and you're trying to figure out how much the dog can eat in 2/2 (which is equal to 1 week because 2/2 is one whole)
Then all we have to do is <em>double </em>1/3, which will give you 2/3.
Answer:
3628800
Step-by-step explanation:
First letter can be chosen form all 10, next from 9, third from 8 and so on, until you have only one number left.
So the number of ways to arrange the letters can be calculated as
n=10×9×8×7×6×5×4×3×2×1=362800
