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3 years ago

What is the equation for the acid ionization constant of HClO2?

Mathematics

1 answer:

jarptica [38.1K]3 years ago

6 0

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Collette wanted to know if there was a difference in favorite food types among students at her large high school. She took a ran

AleksandrR [38]

Answer:

(29-23)²/23 + (16-23)²/23 + (19-23)²/23 + (28-23)²/23

Step-by-step explanation:

Given :

n(American) = 29

n(Chinese) = 16

n(Mexican) = 19

n(Italian) = 28

Expected value = (29 + 16 + 19 + 28) / 4

Where, 4 = sample size

Expected value, E = 23

χ² = (Observed value - Expected value)² / expected value

χ² = (29-23)²/23 + (16-23)²/23 + (19-23)²/23 + (28-23)²/23

3 0

3 years ago

Use the graph below to write the equation of the function

Ksivusya [100]

Answer:

Step-by-step explanation:

gefhhfeyjhtwgi15287

8 0

3 years ago

How do you interpret a slope and the y- intercept?

nexus9112 [7]

The slope is rise over run, how many times you go up (or if down it'd be a negative) and over.
The y-intercept is what point on the y axis the line passes through

8 0

3 years ago

If $120.99 is charged for 654 units of electricity

pochemuha

Answer:

The cost of one unit of electricity is $0.185

Step-by-step explanation:

Amount charged = $120.99

Units of electricity used = 654

The cost of a unit of electricity can be determined by dividing the amount charged by the number of units used.

So that,

cost of one unit of electricity = $\frac{120.99}{654}$

= 0.185

cost of one unit of electricity = $0.185

This implies that the cost of electricity used is charged at $0.185 per unit.

Thus for 654 units of electricity used, the cost would be;

654 x $0.185 = $120.99

7 0

3 years ago

Roger is training for the upcoming track season and records the number of miles that he runs each day for 20 days: 2.5, 0.5, 3.5

Scrat [10]

Answer:

its the first graph

Step-by-step explanation:

just did it

6 0

3 years ago