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Anika
2 months ago
12

Which is the graph of the linear inequality 2x – 3y < 12? On a coordinate plane, a solid straight line has a positive slope a

nd goes through (0, negative 4) and (3, negative 2). Everything to the right of the line is shaded. On a coordinate plane, a dashed straight line has a positive slope and goes through (0, negative 4) and (3, negative 2). Everything to the right of the line is shaded. On a coordinate plane, a dashed straight line has a positive slope and goes through (0, negative 4) and (3, negative 2). Everything to the left of the line is shaded. On a coordinate plane, a solid straight line has a positive slope and goes through (0, negative 4) and (3, negative 2). Everything to the left of the line is shaded.

Mathematics
2 answers:
PIT_PIT [12.4K]2 months ago
8 0

Answer: A dashed straight line with a positive slope intersects points (0, -4) and (3, -2). The area to the right of the line is shaded.

Step-by-step explanation:

AnnZ [12.3K]2 months ago
6 0

Answer:

A dashed straight line with a positive slope intersects points (0, -4) and (3, -2). The area to the right of the line is shaded.

Step-by-step explanation:

To graph the inequalities represented by 2x - 3y < 12, start by drawing the dashed line for 2x - 3y = 12 (the dashed signifies that the inequality excludes equality). This line passes through coordinates (0,-4) and (3,-2), which satisfy the line's equation. The slope is positive because

3y=2x-12\\ \\y=\dfrac{2}{3}x-4

with a slope calculated as 2/3.

Next, verify the position of the origin (if it lies within or outside the shaded region). Check the inequality with (0,0):

2\cdot 0-3\cdot 0=0

This implies that the origin's coordinates fulfill the inequality, meaning it is contained within the shaded area. Consequently, shade the part that includes the origin.

You might be interested in
A rectangular garden is 6 feet long and 4 feet wide. A second rectangular garden has dimensions that are double the dimensions o
Svet_ta [12734]

Response:

100 percent increase

Detailed explanation:

1st garden

Length = 6 ft

Width = 4 ft

Perimeter = 2 (l+w)

                 = 2 (6+4) = 2(10) = 20

2nd garden

The length and width of this garden are double those of the first

Length = 2 *6 = 12

Width = 2 *4 = 8

Perimeter = 2 (l+w)

                 = 2 (12+8) = 2(20) = 40

Percent change = (new - old )/old * 100 percent

The first garden represents the old garden = 20  and the second refers to the new garden = 40

Substituting values in

Percent change = (40-20)/20 = 20/20 =100 *100 percent

                            = 100 percent increase

5 0
1 month ago
The heights of 1000 students are approximately normally distributed with a mean of 174.5 centimeters and a standard deviation of
PIT_PIT [12445]
A. Mean and standard deviation.

The sampling distribution’s mean closely matches the population mean. Since the population mean is 174.5, the sampling distribution’s mean equals this value.

The standard deviation of the sampling distribution is:

            σₓ̄ = σ / √n

Plugging in values:

            σₓ̄ = 6.9 / √25 = 1.38

b. Calculate z-scores for both values:
         
      z = (value - mean) / standard deviation

For 172.5:
     z = (172.5 - 174.5) / 1.38 = -1.49
Corresponding probability ≈ 0.068

For 175.8:
   z = (175.8 - 174.5) / 1.38 = 0.94
Corresponding probability ≈ 0.83

The difference between these probabilities is 0.762.

Approximately 0.762 × 200 = 152 sample means lie between 172.5 and 175.8.

c. Z-score for 172 cm:

    z = (172 - 174.5) / 1.38 = -1.81
Probability ≈ 0.03

Hence, samples with means below 172 cm equal 0.03 × 200 = 6.
8 0
3 months ago
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