3 years ago

What is the value of the expression when y= 22? Needa answer asap

Mathematics

1 answer:

Nikitich [7]3 years ago

8 0

Answer:

y=22/1

Step-by-step explanation:

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An airline runs a commuter flight between Portland, Oregon, and Seattle, Washington, which are 145 miles apart. An increase of 2

pychu [463]

The speed of the airplane is the ratio of the distance to the time

The initial average speed of the airplane is approximately 110.8 mph

Reason:

Given parameters are;

The distance between Portland Oregon and Seattle Washington = 145 miles

The decrease in travel time when the speed is increase by 20 mph = minutes

The initial speed of the airplane, v = Required;

Solution;

$t = \dfrac{145}{v}$

$t - \dfrac{12}{60} = \dfrac{145}{v + 20}$

Therefore;

$\dfrac{145}{v} - \dfrac{12}{60} = \dfrac{145}{v + 20}$

Which gives;

$\dfrac{145}{v + 20} - \dfrac{145}{v} + \dfrac{12}{60} = 0$

Therefore

0.2·v² + 4·v - 2,900 = 0

v ≈ ±110.8 mph

The initial average speed of the airplane, v≈ ± 110.8 mph

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brainly.com/question/11365874

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2 years ago

HELPP ASAP 2w - 30 = -26

ddd [48]

Add 30 to both sides.

2w - 30 + 30 = -26 + 30

2w = 4

Divide by 2.

w = 2

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3 years ago

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What is the perpendicular gradient for the equation of a straight line y=-1/2x+c

satela [25.4K]

Answer:

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Use graphs and tables to find the limit and identify any vertical asymptotes of limit of 1 divided by the quantity x minus 6 as

viva [34]

By using the graphs and tables, the best and most correct answer among the choices provided from your problem about vertical asymptotes is the first choice or letter a) -∞ ; x = 6. It is shown that according to the condition in the problem, the limit is negative infinity and the vertical asymptote is x = 6. I hope it has come to your help.

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