Can somebody please please help me please

Mathematics

1 answer:

Viefleur [7K]3 years ago

7 0

Answer: median is two, mean is two, mode is two, range is 13, the data appears to be symmetrical

Step-by-step explanation: hope this helps <3

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Which has the same solution as 2(x+4)= -7 -3x

Butoxors [25]

I hope this helps you

2x+8= -7-3x

5x= -15

x= -3

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Slav-nsk [51]

The factor that is the first one is the most important

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5{-3.4k-7} + {3k+21}

nekit [7.7K]

First step is to do distributive property.

so you multiply 5 by -3.4k and -7

your equation now is -17k-35+(3k+21)

Then you add like terms

add -17k+3k to give you -14k-35+21

then you add like terms again

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3/10 and 1/2 with common denominator

stiks02 [169]

Answer:

3/10 and 5/10

Step-by-step explanation:

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3 years ago

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A factory produces car tires. The number of miles each tire lasts before it completely wares out follows a normal distribution w

qwelly [4]

Answer: 0.0668073

Step-by-step explanation:

Given : The number of miles each tire lasts before it completely wares out follows a normal distribution with mean μ = 50,000 miles and standard deviation σ = 8,000 miles.

Let x be the random variable that represents the number of miles each tire lasts.

z-score : $\dfrac{x-\mu}{\sigma}$

For x= 62,000

$z=\dfrac{62000-50000}{8000}=1.5$

By using the standard z-value table , the probability for a randomly selected tire to last for at least 62,000 miles will be :_

$P(x\geq62000)=P(z\geq1.5)=1-P(z$

Hence, the probability for a randomly selected tire to last for at least 62,000 miles = 0.0668073

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3 years ago