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iris [78.8K]
3 years ago
9

 Hester sells televisions. She earns a fixed amount for each television and an additional $ 15 if the buyer gets an extended war

ranty. If Hester sells 16 televisions with extended​ warranties, she earns $ 1 comma 200. How much is the fixed amount Hester earns for each​ television?
Mathematics
1 answer:
tiny-mole [99]3 years ago
8 0

Answer:

y =mx +bx

Where y is the total amount earned, m the amount for each extended warranty and b the fixed cost and x the total amount of TVs

For this case the value of x = 16 since we have 16 Tvs with extended warranties and we can do this:

1200 = 15*16 +16b

and solving for b we got:

b= \frac{1200-15*16}{16}= 60

And then we can conclude that she earns 60 for each TV

Step-by-step explanation:

For this case we can set a linear model like this:

y =mx +bx

Where y is the total amount earned, m the amount for each extended warranty and b the fixed cost and x the total amount of TVs

For this case the value of x = 16 since we have 16 Tvs with extended warranties and we can do this:

1200 = 15*16 +16b

and solving for b we got:

b= \frac{1200-15*16}{16}= 60

And then we can conclude that she earns 60 for each TV

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The percentage discount allowed by the wholesaler is 1%

<h3>Percentage</h3>

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25 naira = 25 × 100

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Percentage discount allowed = 25 / 2500 × 100

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Therefore, the percentage discount allowed is 1%

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6. The dimensions of a living room are 18 ft. by 15 ft. by 8ft. If air weighs 0.08 lb. per cubic foot, the weight of the air in
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The weight of the air in the room is 172.8 lb if the dimensions of a living room are 18 ft. by 15 ft. by 8ft.

<h3>What is a rectangular prism?</h3>

It is defined as the six-faced shape, a type of hexahedron in geometry.

It is a three-dimensional shape. It is also called a cuboid.

It is given that:

The dimensions of a living room are 18 ft. by 15 ft. by 8ft.

The volume of the living room = volume of the cuboid:

V = length×width×height

V = 18×15×8

V = 2160 cubic ft

The weight of the air = 0.08 lb. per cubic foot

The weight of the air in the room = 0.08×2160

The weight of the air in the room = 172.8 lb

Thus, the weight of the air in the room is 172.8 lb if the dimensions of a living room are 18 ft. by 15 ft. by 8ft.

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9) State the coordinates of the endpoints of a<br> line segment that intersects the y-axis.
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Answer:

(5,4) and (3,4)

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A line segment has 2 end points which can be denoted as:

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When this line segment intersects at y.

This means that the coordinate on the y axis is the same at both end points

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x1 and x2 can be any value but the y value must remain unchanged

Using the above analysis, a possible coordinate is:

(5,4) and (3,4)

Note that there are as many answers as possible as long as the coordinate pair satisfy is of the form (x_1,y)<em> and </em>(x_2,y)<em />

Take for instance, another possible pair is:

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