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lara31 [8.8K]
2 years ago
8

How many solutions?

Mathematics
2 answers:
Sunny_sXe [5.5K]2 years ago
5 0

Answer: C

Step-by-step explanation: all real numbers can solve this problem

anygoal [31]2 years ago
4 0

Answer:

A- No solution

Step-by-step explanation:

5(x - 3) + 6 = 5x - 9 \\ 5x - 15 + 6 = 5x - 9 \\ 5x - 9 = 5x - 9 \\ 5x - 5x - 9 + 9 = 0 \\  = 0

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Can the distributive property be used to rewrite 6(9 - 4) ?
alukav5142 [94]

Answer:

yes distribute . . .

Step-by-step explanation:

the 6 to the 9 and the 4

6(9) - 6(4)=30

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3 years ago
Choose the equation below that represents the line passing through the point (−3, −1) with a slope of 4. (1 point)
tangare [24]
It would be the first one
6 0
2 years ago
Read 2 more answers
A contractor records the areas, in square feet, of a small sample of houses in a neighborhood to determine data about the neighb
Sedbober [7]

Option c is the correct answer which represents the numerator in the calculation of variance and standard deviation.

<h3>What are the variance and standard deviation?  </h3>

In statistics, variance is a measure of the variation of data from the mean, whereas standard deviation is the measure of the normal distribution of statistical data.

A contractor records the areas, in square feet, of a small sample of houses in a neighborhood to determine data about the neighborhood.

2,400; 1,750; 1,900; 2,500; 2,250; 2,100

we need to find which of the following represents the numerator in the calculation of variance and standard deviation.

(225)^{2} + (–425)^{2}+ (–275)^{2} + (325)^{2} + (75)^{2}+ (–75)^{2} = 423,750

(650)^{2} + (–150)^{2} + (–600)^{2} + (250)^{2} + (150)^{2} + (–300)^{2} = 980,000

(250)^{2} + (–400)^{2} + (–250)^{2} + (350)^{2} + (100)^{2} + (–50)^{2} = 420,000  

92416.60

The variance is 84000

The standard deviation is 290

mean = (2400+1750+1900+2500+2250+2100)/6

mean = 2150

Subtract the data values from the mean to get

2400-2150 = 250

1750-2150 = -400

1900-2150 = -250

2500-2150 = 350

2250-2150 = 100

2100-2150 = -50

The differences are 250, -400, -250, 350, 100, -50

Then you square those values and add up the squares

(250)^2 +  (-400)^2 +  (-250)^2 +  (350)^2 +  (100)^2 +  (-50)^2 = 420,000

Hence, option c is the correct answer which represents the numerator in the calculation of variance and standard deviation.

Learn more about variance;

brainly.com/question/14116780

8 0
1 year ago
Please help me with this!!
777dan777 [17]

Answer:        Um do u still need help or no

Step-by-step explanation:

7 0
2 years ago
How do I describe the graph of the equation y = 2/3x - 5?
algol13
It is a positive line with a slope of 2/3 and a y-intercept of -5.
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