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3 years ago

Now factor the expression. 1/2 a + 6

Mathematics

1 answer:

Sophie [7]3 years ago

3 0

Answer:

1a+12/2

Step-by-step explanation:

1/2a+6

1/2a+6/1

1/2a+6/1*2

1/2a+12

1a+12/2

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umka21 [38]

Answer:5 cars

Step-by-step explanation:

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3 years ago

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1. Solve the Equation: 6v = -24

Burka [1]

Answer:

The answer to this question is v= -4

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3 years ago

Find the distance between the points (-5, -10) and (2, 4).

Korvikt [17]

Answer

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Reason: i used a calculator

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3 years ago

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1. The function of lenses is based on the law of refraction. A light beam is traveling from the medium 1 where its speed is V1,

masha68 [24]

Answer:

The index of refraction for Medium 2 would be 1.25

Step-by-step explanation:

We have the following data:

Speed of light in Medium 1 = V₁

Speed of light in Medium 2 = V₂

The speed of Light in Medium 2 is related to speed of light in Medium 1 as:

V₂ = 0.8 V₁

Moreover, it is given that Medium 1 is air with index of refraction equal to 1. i.e.

n₁ = 1

We need to find the index of refraction for medium 2. Lets name it is as n₂.

Snell's law related the above mentioned 4 quantities by following relation:

The ratio of indices of refraction of 2 mediums is equivalent to the reciprocal of ratio of phase velocities in those 2 mediums. Mathematically, this can be written as:

$\frac{n_{1}}{n_{2}} = \frac{V_{2}}{V_{1}}$

Substituting the values we have gives us:

$\frac{1}{n_{2}}=\frac{0.8V_{1}}{V_{1}} \\\\\frac{1}{n_{2}}=0.8\\\\ 1=0.8n_{2}\\\\\frac{1}{0.8}=n_{2}\\\\ n_{2}=1.25$

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3 years ago

When Lily does a self-inventory, she lists her knowledge of Excel, her proficiency in bookkeeping, and her training in customer

Anika [276]

Answer:

The above mentioned qualities go under the category of abilities.

Step-by-step explanation:

Lily does a self-inventory to find out theat she has knowledge of Excel , proficiency in bookkeeping and training in customer service .

Ability is used to refer a person's native aptitude in a specific field.

Ability can also be trained and honed and can be made better with practice.

All of Lily's qualities mentioned come under the same above mentioned specifications. All her talents can be trained and can be bettered.

Hence her qualities come under the category of abilities.

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3 years ago