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Stolb23 [73]
3 years ago
11

Simplify this expression 10x-5y+2x-3y

Mathematics
2 answers:
goldfiish [28.3K]3 years ago
8 0

Answer:

Step-by-step explanation:

SO first combine like terms

You start with 10x-5y+2x-3y

so combine the terms with x

your new equation would be 12x-5y-3y

then combine the terms with y

so your final simplified would be

12x-8y

i haven't done this in a while but i hope that is right and helps :)

slamgirl [31]3 years ago
3 0

Answer: 12x-8y

Step-by-step explanation:

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Complete the synthetic division problem below. What is the quotient in polynomial form?
stellarik [79]
The polynomial would be 2x+5.

We bring down the first number inside the box, 2, unchanged.

    _______
-1|  2   7   5
    _______
      2

Now we multiply that 2 by the number outside, -1:
    _______
-1|  2   7   5
    <u>      -2     
</u>      2

Now we add the two numbers in the middle column:
    ________
-1|   2   7   5
    <u>       -2      </u> 
       2   5

Multiply the 5 we brought down by the -1:
    ________
-1|   2   7   5
    <u>       -2  -5 
</u>       2   5   

Add the numbers in the last column:
    ________
 -1|   2   7   5
     <u>       -2  -5
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The 3 numbers under the box represent the coefficients of x² and x, as well as the constant.  When we finish, we no longer have an x², but start at the next level down, which would be x.  2 would be the coefficient of x and 5 would be the constant, with 0 remainder.
3 0
3 years ago
Engineers want to design seats in commercial aircraft so that they are wide enough to fit ​99% of all males.​ (Accommodating 100
Nezavi [6.7K]

Answer:

p99 = 16.4 inches

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.

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This is the value of X when Z has a p-value of 0.99, so X when Z = 2.327. Then

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

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X - 14.3 = 0.9*2.327

X = 16.4

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p99 = 16.4 inches

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4 years ago
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Answer:

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Well it seems if you round  you would get 1.81 try it
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