3 years ago

How can you tell if a mixture is homogenous or heterogeneous?

1 answer:

4 0

A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixture consists of visibly different substances or phases. The three phases or states of matter are gas, liquid, and solid.

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Simplify<br> (+8)-(-4)+(-5)

Mumz [18]

Answer:

Step-by-step explanation:

(+8)-(-4)+(-5)

8+4-5

12-5

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The force of gravity depends on the distance between objects? true or false

MrRissso [65]

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True

Step-by-step explanation:

It depends on two factors :mass of the objects and distance between the objects

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Triangle ABC has vertices A( 1 , 4 ), B( 4 , 4 ) and C( 1 , 17 ).

qaws [65]

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A right triangle

Step-by-step explanation:

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Jimmy cell phone plan has been a base charge of $50 per month with an additional charge of 65 cents per app downloaded. Lisa cel

Soloha48 [4]

Answer:

Step-by-step explanation:

We write what we know.

Jimmy

$50/mo app 65¢ or .65

Lisa

$55/mo app 40¢ or .40

a = number of apps

The difference will come from the number of apps, a.

We need them to equal each other so let's write an equation.

$50 + .65a = $55 + .40a

We need to solve for a.

$50 + .65a = $55 + .40a subtract $50 for each side.

$50 - $50 + .65a = $55 - $50 + .40a

.65a = $55 - $50 + .40a

.65a = $5 + .40a subtract .40a from each side

.65a - .40a = $5 + .40a - .40a

.65a - .40a = $5

.25a = $5 Divide each side by .25

.25a/.25 = $5/.25

a = $5/.25

a = 20

So Jimmy and Lisa need to download 20 apps for their bill to be the same.

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3 years ago