Answer:
The value is 180
Step-by-step explanation:
The formula for z score is given by
x - mean
z= -------------
standard deviation
We know z= 2.4
We know the standard deviation =20
and we know the mean = 132
We can find x
x - 132
2.4 = ----------------
20
Multiply each side by 20
2.4 *20 = x-132
48 = x-132
Add 132 to each side
48+132 = x -132+132
180 = x
Answer:
Commutative property of multiplication
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Step-by-step explanation:
Answer: Option D
D.
; 
Step-by-step explanation:
We know that the cost of preschool is $ 45 per day plus a monthly fee of $ 70.
We also know that a total of $ 880 was paid last month
To write an equation that represents this situation, let us call "d" the number of days that Barry attends school
So the cost was:

Now we solve the equation for the variable d



Therefore answer is the option D
Answer:
12 remainder 3 (or 12.3)
Step-by-step explanation:
123/10=12.3
you can't really have .3 of a book, so 12 remainder 3 or three groups of 13 and 7 groups of 12.
Answer:
hy jufd
Step-by-step explanation: