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sesenic [268]
3 years ago
6

What two integer are closest to negative 20​

Mathematics
1 answer:
aksik [14]3 years ago
8 0

Answer:

-19 -21

Step-by-step explanation:

ez

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An analyst for a large credit card company is going to conduct a survey of customers to examine their household characteristics.
zheka24 [161]

Answer:

We can conclude that the value of 1732 is a statistic who represent the sample selected. And the value of 1622 represent the population mean from all the customers with the previous data.

Step-by-step explanation:

Previous concepts

A statistic or sample statistic "is any quantity computed from values in a sample", for example the sample mean, sample proportion and standard deviation

A parameter is "any numerical quantity that characterizes a given population or some aspect of it".

Solution to the problem

For this case the analyst knows that from previous records that the mean for all the customers (that represent the population of interest) is \mu = 1622

He have a random sample of n =500 customers from the previous month and he knows that 1732 represent the sample mean for the selected customers calculated from the following formula:

\bar X = \frac{\sum_{i=1}^{500} X_i}{500}= 1732

So on this case we can conclude that the value of 1732 is a statistic who represent the sample selected. And the value of 1622 represent the population mean from all the customers with the previous data.

6 0
3 years ago
El área de un rectángulo se calcula multiplicando la longitud de la base por la longitud de la altura. La base del rectángulo mi
NemiM [27]

Answer:

the height of the rectangle is 13 cm

Step-by-step explanation:

The computation of the height of the rectangle is shown below:

As we know that

Area of rectangle =  base × height

156 cm^2 = × 12 × height

So, the height is

= 156 ÷ 12

= 13 cm

hence, the height of the rectangle is 13 cm

7 0
3 years ago
Line a and b intersect, forming two adjacent angles, ∠1 and ∠2. If m ∠1= 7x-8 and
german

Answer:

x = 14; y = 8

Step-by-step explanation:

A perpendicular intersection means an intersection between 2 lines, forming angles of 90°. Then:

7x - 8 = 90°

11y + 2 = 90°

7x - 8 = 90

7x = 90 + 8

7x = 98

x = 98/7

x = 14

11y + 2 = 90

11y = 90 - 2

11y = 88

y = 88/11

y = 8

I hope I've helped you.

5 0
4 years ago
Triangle 4.5 x4.5x4.5x4
LuckyWell [14K]
Chicken wing chicken wing hotdog and balogne chicken an macaroni chillin with my homies
7 0
4 years ago
What is the rate of change of 8y=3x+64
RUDIKE [14]

Answer:

The range is the set of all valid y values. Use the graph to find the range.

Interval Notation:

(−∞,∞)

Set-Builder Notation:

{y|y∈R}

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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