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katrin [286]
2 years ago
14

Please help me. I'm confused.

Mathematics
1 answer:
Elan Coil [88]2 years ago
6 0
Vertically organize the problems
  (         -4x^2-2x-1)
- ( 3x^3             +2)
Eliminate the minus sign by multiplying by -1
-1(3x^3             +2)
This is the new problem
   (        -4x^2-2x-1)
+ (-3x^3             -2)

Simplify any terms, then this is the answer
-3x^3-4x^2-2x-3
This is how I got it, but if there are any other answers, feel free to share
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Evaluate in the following expression when x = 4 and y = 5​
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Fraction with x squared plus y cubed in the numerator and 2 plus x in the denominator.
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Pls help
kupik [55]

Answer:

0.54kilometres

Step-by-step explanation:

a)actual distance =2.7*20000

                           =54000cm

                            =0.54kilometres

7 0
2 years ago
Read 2 more answers
If the cost of a raffle ticket is $2, which of the following expressions could be used to represent the cost of m tickets? 2m 2
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6 0
2 years ago
There has been much media coverage of the high cost of medicinal drugs in the United States. One concern is the large variation
umka21 [38]

Data for the question :

102.05 99.85 112.3 97.15 111.23 105.37 105.64 106.5 102.97 107.82 106.36 111.24 107.28 114.14 106.28 106.96 98.25 111.55 107.75 101.02 101.12 97.7 97.66 100.54 115.77 112.91 111.04 112.15 102.87 101.14 107.13 108.56 109.56 103.57 108.68 104.59 116.74 116.22 100.22 103.97 111.2 109.34 115.78 101.59 107.93 104.23 96.25 103.84 102.47 102.96 99.26 101.42 108.58 107.69 99.88 102.71 111.25 99.4 117.04 106.35 110.44 102.34 107.25 107.63 105.2 109.14 115.54 101.51 108.49 112.32 109.27 97.54 102.46 105.94 109.42 111.05 102.63 106.99 102.03 108.84 118.8 108.64 95.35 105.47 104.45 102.15 111.4 108.27 104.82 108.4 109.05 116.11 103.7 121.2 99.62 102.81 109.56 103.35 113.02 103.79

Answer:

Range = 25.35

Variance = 29.46

Standard deviation = 5.43

The variation in price of Prozac is high

Step-by-step explanation:

The range of the data :

Maximum - Minimum.

121.2 - 95.35 = 25.35

The variance, s :

s² = Σ(X - m²) / n - 1

Mean, m = Σx / n

X = individual data point

m = mean of data

n = sample size

Using a calculator of save time and ensure accuracy :

s² = 29.45522

The standard deviation, s

s = sqrt(variance)

s = sqrt(s²)

s = sqrt(29.45522)

s = 5.42726.

The range, variance and standard deviation, all measure the degree of variation in a dataset. The values of these statistical measure obtain for the price of 1 product across different pharmaceutical stores, suggests thatvthe variation in price is high;

With a range of about 25.35 and standard deviation of 5.43

4 0
2 years ago
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