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3 years ago

Which part of the graph best represents the solution set to the system of inequalities y ≤ x + 1 and y + x ≤ –1?

Mathematics

1 answer:

Lady bird [3.3K]3 years ago

8 0

<span>The part of the graph that best represents the solution set to the system of inequalities y ≤ x + 1 and y + x ≤ –1 is Part C.</span>

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Determine measurements of data for the following numbers:

Leno4ka [110]

Answer: mean=87, median=87.5 and range=18

Step-by-step explanation:

Mean:

First add all the numbers

78+95+77+92+87+79+94+86+88+94 = 870

Then you divide the answer by counting the numbers

870÷10

=87

Median:

First arrange the numbers in ascending order (from smallest to largest)

77, 78, 79, 86, 87, 88, 92, 94, 94, 95

pick the two middle numbers which is 87 and 88

then you do $\frac{87+88}{2}$

= 175÷2

= 87.5

range = Largest number - smallest number

= 95-77

= 18

8 0

2 years ago

Questions are in the below picture

trasher [3.6K]

I don’t see the picture.

5 0

3 years ago

The product of two numbers is 40. If one of the numbers is 8/15, what is the other number?

Harman [31]

If one number is 8/15, you take the difference which 7/15.

5 0

3 years ago

The sample of eight companies in the aerospace industry, referred to in Exercise 36, was surveyed as to their return on investme

Vera_Pavlovna [14]

Answer:

Sample Variance = 6.008

Sample standard deviation = 2.451

Step-by-step explanation:

We are given the following in the question:

10.6, 12.6, 14.8, 18.2, 12.0, 14.8, 12.2, 15.6

Formula:

$\text{Variance} = \displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}$

where $x_i$ are data points, $\bar{x}$ is the mean and n is the number of observations.

$Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}$

$Mean =\displaystyle\frac{110.8}{8} = 13.85$

Sum of squares of differences = 42.06

$s^2 = \dfrac{42.06}{7} = 6.008$

Standard Deviation =

$s = \sqrt{s^2} = \sqrt{6.008} = 2.451$

6 0

3 years ago

What is the simplify of 1 2/3 6/5<br>

eimsori [14]

Step-by-step explanation:

you can look it up

7 0

3 years ago