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3 years ago

Which of the following are solutions to the system shown below? Select all that apply. a (0,-1) b (1,0) C (0,0) d (3,4) e (0,1)

Mathematics

1 answer:

Papessa [141]3 years ago

4 0

Answer:

Options (a) and (c)

Step-by-step explanation:

There are so many inequalities graphed in the picture attached.

Common area (Triangle shown in the center) of the shaded regions will be the solution of the system of inequalities.

And points lying in this common region will be the solutions.

Points lying in this region are (0, -1) and (0, 0).

Therefore, Options (a) and (c) are the solutions.

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4 years ago

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Form

VARVARA [1.3K]

Answer:

a. Y=-2x+4

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3 years ago

A sample of men's heights was taken and the mean was 68.8 inches. The standard deviation is 2.8 inches. What percent of the men

jarptica [38.1K]

Answer:

87.29%

Step-by-step explanation:

Given: Mean= 68.8 inches

Standard deviation= 2.8 inches

Now, finding the percent of the men in the sample were greater than 72 inches.

We know, z-score= $\frac{x-mean}{standard\ deviation}$

z-score= $\frac{72-68.8}{2.8}$

⇒ z-score= $\frac{3.2}{2.8} = 1.14$

∴ z-score= 1.14

Next, using normal distribution table to find percentage.

Coverting 0.8729 into percentage= $0.8729\times 100$

We get the percentage as 87.29%

Hence, 87.29% of the men in the sample were greater than 72 inches.

6 0

3 years ago

Which of the following are solutions to the system shown below? Select all that apply. a (0,-1) b (1,0) C (0,0) d (3,4) e (0,1)​

Which of the following are solutions to the system shown below? Select all that apply. a (0,-1) b (1,0) C (0,0) d (3,4) e (0,1)