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3 years ago

2x(x+3) what is the product

Mathematics

2 answers:

Leni [432]3 years ago

7 0

Answer:

3x+6x

Step-by-step explanation:

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Lubov Fominskaja [6]3 years ago

7 0

Answer:

2x² + 6x

Step-by-step explanation:

multiply the 2x to the x to get 2x².

multiply the 2x to the 3 to get 6x. (using the distributive property)

Normally, we would combine like terms, but there aren't any so we just leave it as it is: 2x² + 6x

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On a coordinate plane, 4 lines are shown. Line L M goes through (negative 5, negative 3) and (0, 3). Line N O goes through (nega

miv72 [106K]

Answer:

The slope of line LM is perpendicular to the given line.

Step-by-step explanation:

L (- 5, - 3), M (0, 3)

N (- 6, - 5) , O (0, 0)

J (- 6, 1) , K (0, - 4)

Slope of given line = -5/6

Slope of perpendicular line = 6/5

Slope of line LM

$\frac{3 + 3}{0 + 5}=\frac{6}{5}$

Slope of line NO

$\frac{0+5}{0+6}=\frac{5}{6}$

Slope of line JK

$\frac{-4-1}{0+6}=\frac{-5}{6}$

4 0

3 years ago

ОА<br> NF<br> Place a point on the number<br> line that is the location of<br> 2/6 + 1/3.

vladimir2022 [97]

Answer:

2/3

Step-by-step explanation:

2/6+1/3

We can simplify 2/6 by dividing the top and bottom by2

2/6 = 1/3

1/3+1/3 = 2/3

put a point at 2/3

5 0

3 years ago

Listed below are the amounts (dollars) it costs for marriage proposal packages at different baseball stadiums. Find the range,

yulyashka [42]

Answer:

Range = 2460 dollars, Variance = 516414.6 $dollars^2$ , Standard deviation = 718.6199 dollars . There are two outliers and they are likely to have much of an effect on the measures of variation.

Step-by-step explanation:

The smallest value in the sample data is min = 50 dollars and the largest value is max = 2500 dollars, therefore, the range is Range = max - min = 2500 - 40 = 2460 dollars. On the other hand, the formula to compute the sample variance is $S^2 = \frac{1}{n-1}\sum_{i=1}^{n} (x_{i}-\bar{x})^2$ where $\bar{x}$ is the sample mean, n is the sample size and the $x_{i}$ are the sample values. In this case the sample variance is $s^2$ = 516414.6 $dollars^2$ , the sample standard deviation is defined as the squared root of the sample variance, so, the sample standard deviation is s = 718.6199 dollars. There are two outliers because 1750 dollars and 2500 dollars are very different compared to the other values, these two numbers are very large and they are likely to have much of an effect on the measures of variation because these measures are sensible to outliers, they are no robust measures.