Me answer ! my grade depends on
last year the number of skateboards produced per day at a certain factory were normally distributed with a mean of 20,500 and a standard deviation of 55 skateboards. answer the following.
on what percent of days last year did the factory produce 20,555 skate boards or fewer?

on what percent of days last year did the factory produce 20,610 skateboards or more?

on what percent of days last year did the factory produce 20,445 skate boards or fewer?
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infinitely many solutions

step-by-step explanation:

we have been given the equation;

2(2x + 3) = -4 + 2(2x + 5)

we need to determine the value of x.

2(2x + 3), we expand this expression to obtain 4x + 6

similarly 2(2x + 5) will become 4x + 10

now we have;

4x + 6 = -4 + 4x + 10

4x + 6 = 4x + 10 - 4

4x + 6 = 4x + 6

the expression on the left hand side is identical to the one on the right hand side. therefore, we are looking at just a single straight line whose equation is;

y = 4x + 6

consequently, we shall have infinitely many solutions