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lord [1]
2 years ago
11

Solve the equation to find x. 4x +12 = 96

Mathematics
2 answers:
wel2 years ago
8 0

Answer:

x=21

Step-by-step explanation:

4x+12=96

subtract 12 from both sides

4x=84

divide both sides by 4

x=21

soldier1979 [14.2K]2 years ago
7 0

Answer:

x = 21

Step-by-step explanation:

to solve:

1. subtract 12 from both sides:

4x=12=96

    -12 -12

2. This gives you 4x=84. Then divide both sides by 4:

\frac{4x}{4}=\frac{84}{4}

4x/4 = x

84/4 = 21

So, you get x = 21

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Answer: 61,750 miles

Step-by-step explanation:

Given : The p-value of the tires to outlast the warranty = 0.96

The probability that corresponds to 0.96 from a Normal distribution table is 1.75.

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The formula for z-score is given by  : -

z=\dfrac{x-\mu}{\sigma}\\\\\Rightarrow\ 1.75=\dfrac{x-60000}{1000}\\\\\Rightarrow\ x-60000=1750\\\\\Rightarrow\ x=61750

Hence, the tread life of tire should be 61,750 miles if they want 96% of the tires to outlast the warranty.

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Step-by-step explanation:

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