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pochemuha
3 years ago
13

What is the value of x? Enter your answer in the box. x =

Mathematics
2 answers:
Yuliya22 [10]3 years ago
8 0
What is the equasion then i can tell u the answer
VikaD [51]3 years ago
4 0
You need a equation/expression to solve the problem because x is impossible to find.
You might be interested in
Write all pairs of numbers satisfying the equation <br> x2 + y2 =5 and x2 + y2= 25
lorasvet [3.4K]

Answer:

There is no solution for this set of equations.

The sum of two numbers can not have two different solutions.

6 0
3 years ago
Suppose the lifetime of a cell phone battery is normally distributed with a mean of 36 months and a standard deviation of 2 mont
solong [7]

Answer:

They should guarantee the lifetime of their batteries for 32 months.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Mean of 36 months and a standard deviation of 2 months.

This means that \mu = 36, \sigma = 2

If the company wants to replace no more than 2% of all batteries, for how many months should they guarantee the lifetime of their batteries?

The guarantee should be the 2th percentile of lengths, which is X when Z has a pvalue of 0.02. So X when Z = -2.054.

Z = \frac{X - \mu}{\sigma}

-2.054 = \frac{X - 36}{2}

X - 36 = -2.054*2

X = 31.89

Rounding to the closest month, 32.

They should guarantee the lifetime of their batteries for 32 months.

3 0
2 years ago
Colin walked a distance of 15 miles in 6 hours. <br> Work out out
butalik [34]

Answer:

Colin walked 2.5 miles every hour

Step-by-step explanation:

The answer is 2.5 because 15 divided by 6 is 2.5

P.S Can I have brainliest?

8 0
2 years ago
Refer to the two statements below. Which pair of words will make the statements true?
atroni [7]
They will be greater for both of these answers because 5 is a larger number than -2 and -2 is a larger number than -5 and it comes before -5 on the number line
5 0
3 years ago
Write the equation of the line with the slope of -6 passing through the point ( − 8 , 0 ).
UkoKoshka [18]

Answer:

y=-6x+48

Step-by-step explanation:

3 0
3 years ago
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