Answer:
79
Step-by-step explanation:
Σ is a summation symbol. It means you need to add all values of x1 through x5.
19 + 13 + 20 + 10 + 17 = 79
It’s x=0 isn’t it that answer
Answer:
you have 8.5 pounds of fish
Step-by-step explanation:
1/2 =0.5 and 0.5 ×16 =8
and thata will leave one half left which means you will have 8.5 pounds of fish the pizza one i'm not too sure about you would have to tell how much sauce there is supposed to be per pizza then i would be able to answer.
Hope this helps
Answer:
12 blue marbles
Step-by-step explanation:
multiply 2:5 by 8 to get 16:40
multiply 3:10 by 4 to get 12:40
add 16 to 12 to get 28
Subtract 28 from 40 to get 12
Ultimately, you have 12 blue marbles
Minus the 7
-2x = -6
Divide by -2
X = 3