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2 years ago

What is algebraic expression/equation

Mathematics

1 answer:

adell [148]2 years ago

5 0

An algebraic expression is an expression built up from integer constants, variables, and the algebraic operations.

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Round-Trip Cost ($) Departure City Atlanta Salt Lake City Cincinnati 340.1 570.1 New York 321.6 354.6 Chicago 291.6 465.6 Denver

Lemur [1.5K]

Answer:

$\bar x = 356.73$ ---Atlanta

$\bar x = 400.95$ --- Salt Lake City

Step-by-step explanation:

Given

The round trip flight data of Atlanta and Salt Lake City

Required

The mean price of both

Mean is calculated as:

$\bar x = \frac{\sum x}{n}$

For Atlanta

$\bar x = \frac{291.6 + 321.6 + 340.1 + 339.6 + 359.6 + 384.6 + 309.6 + 415.6 + 293.6 + 249.6 + 539.6 + 455.6 + 359.6 +333.9}{14}$

$\bar x = \frac{4994.2}{14}$

$\bar x = 356.73$

For Salt Lake City

$\bar x = \frac{570.1 + 354.6 + 465.6 + 219.6 + 311.6 + 297.6 + 471.6 + 618.4 + 513.6 + 523.2 + 381.6 + 159.6 + 267.6 + 458.6}{14}$

$\bar x = \frac{5613.3}{14}$

$\bar x = 400.95$

5 0

2 years ago

Just need help on first one.

Nataly [62]

Answer:

1st one because they make less than the actual house

7 0

2 years ago

Which equation can be used to solve by completing the square?

Sergeu [11.5K]

Answer:

Step-by-step explanation:

3 0

2 years ago

Ike Phillips worked 6.7 hours at time-and-a-half pay and 3.4

ikadub [295]

Working out the different pay rates earned by Ike Phillips :

Time and half pay rate = $17.055
Double pay rate = $22.74
Time and half earning = $114.2685
Double rate earning = $77.316
Gross earning = $646.3845

Let :

Regular rate = $11.37

Total earning for the week = $454.80

Double pay hours = 3.4

Time and half pay hours = 6.7

Time and half pay rate = 1.5 × regular pay rate = 1.5 × 11.37 = $17.055

Double pay rate = 2 × regular pay rate = 2 × 11.37 = $22.74

Time and half earning = rate × time = $17.055 × 6.7 = $114.2685

Double rate earning = rate × time = $22.74 × 3.4 = $77.316

Gross earning = (regular + time and half + double earning) = $(454.80+114.2685+77.316) = $646.3845

Therefore, Ike's gross earning for the week is $646.3845

Learn more : brainly.com/question/24635246

4 0

2 years ago

The ground temperature at an airport is 10 °C. The temperature decreases by 5.4 °C for every increase of 1 kilometer above the g

Paraphin [41]

The temperature outside a plane flying at an altitude of 5 kilometers is -17°C.

Given that,

The ground temperature at the airport is 10 °C.
The decrease in temperature is 5.4°C for each & every rise in 1 kilometer.

Based on the above information, the temperature outside should be

The decrease in the temperature should be

= 5.4×5

= 27°C

Now the final temperature is

= 10 - 27

= -17°C

Therefore we can conclude that the temperature outside a plane flying at an altitude of 5 kilometers is -17°C.

Learn more: brainly.com/question/20459283

5 0

2 years ago