Look at the pictures below Select one: A C D B
2 answers:
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Answer:
Top left Equation:
Step-by-step explanation:
You start at 2/3, or the left side.
Since the line is directing left, you are subtracting, or adding a negative.
If you see, you are moving 7 - 1/3s to the left
7 x 1/3 = 7 / 3
7 / 3 = 2 1/3
And 2/3 + (-2 1/3) = -1 2/3
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Answer:
-2
Step-by-step explanation:
The computation of net change from the beginning of Tuesday to the end of Monday is shown below:-
The change at the last of Tuesday
Change = Restock - Sales
= 6 - 5
= 1
Here it indicates that the number of bags is rise by 1
The change at the last of Wednesday
Change = Restock - Sales
= 12 - 8
= 4
Here it indicates that the number of bags is rise by 4
The change at the last of Thursday
Change = Restock - Sales
= 12 - 2
= 10
Here it indicates that the number of bags is rise by 10
The change at the last of Friday
Change = Restock - Sales
= 18 - 19
= -1
Here it indicates that the number of bags is fall by -1
The change at the last of Saturday
Change = Restock - Sales
= 24 - 22
= 2
Here it indicates that the number of bags is rise by 2
The change at the last of Sunday
Change = Restock - Sales
= 0 - 15
= -15
Here it indicates that the number of bags is fall by -15
The change at the last of Monday
Change = Restock - Sales
= 0 - 3
= -3
Here it indicates that the number of bags is fall by -3
According to the given situation, it is equivalent the algebraic sum of every change
So,
Net change = 1 + 4 + 10 + (-1) + 2 + (-15) + (-3)
Using associative property: (1 + 4 + 10 + 2) - (1 + 15 +3)
Simplifying: 17 - 19 = -2
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Evaluate the expression 4(2x+y)-2y+z for x=-2, y=4 and z=-3
Before inserting the values of the variables, I recommend writing the equation in its simplest form.
First, use the distributive property and distribute 4:-
8x+4y-2y+z
Simplifying,
8x+2y+z
Now that the expression is in its simplest form, we can substitute the variables and simplify the expression.
First, write -2 in lieu of x:-
8(-2)+2y+z
-16+2y+z
Now, write 4 in lieu of y:-
-16+2(4)+z
-16+8+z
-8+z
Final step:-
write -3 in lieu of z:-
-8+(-3)
-8-3
-11
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