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Eduardwww [97]
3 years ago
8

How many solutions dose 3x+2=2x+2+x have explain why below remember explain

Mathematics
2 answers:
torisob [31]3 years ago
8 0
It will be no solution because 3x+2=3x+2 has the same slope and same y intercept
valkas [14]3 years ago
6 0

Answer:

All real numbers are solutions.

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

3x+2=2x+2+x

3x+2=(2x+x)+(2)(Combine Like Terms)

3x+2=3x+2

3x+2=3x+2

Step 2: Subtract 3x from both sides.

3x+2−3x=3x+2−3x

2=2

Step 3: Subtract 2 from both sides.

2−2=2−2

0=0

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Use substitution Z=\dfrac{X-\mu}{\sigma}=\dfrac{X-85}{5}, then the variable Z\sim N(0,1).

The probability Pr(X>80) can be calculated in the following way:

for X=80, Z=\dfrac{80-85}{5} =-1 and Pr(X>80)=Pr(Z>-1). From the diagram Pr(Z>-1)=0.34+0.34+0.135+0.025=0.84.

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