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3 years ago

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A new car is purchased for \$47,000$47,000 and over time its value depreciates by one half every 4.5 years. What is the value of

the car 23 years after it was purchased, to the nearest hundred dollars?

1 answer:

Lady_Fox [76]3 years ago

3 0

It’s is 47,027.5 you need to add

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Dylan has a fish tank at home. He knows its height, h, is one inch less than twice the width, w, and the length, l, of the fish

pickupchik [31]

The right answer is: <em>The binomial expression 2w + 6 represents the length of the fish tank.</em>

Dylan has a fish tank, so we assume that this tank is a cube. In this way, the volume of the tank is given by this expression:

$V = w.h.l$

Where:

h: height

w: width

l: length

We know the following things:

FIRST.<em> He knows its height, h, is one inch less than twice the width, w.</em>

This can be expressed as the following equation:

$h=2w-1$

SECOND. <em>The length, l, of the fish tank is seven inches longer than the height.</em>

We can express this statement as follows:

$l=h+7 \\ \\ \therefore l=2w-1+7 \\ \\ \therefore l=2w+6$

By substituting $h \ and \ l$ in $V$ :

$V=w.h.l \\ \\ \therefore V=w(2w-1)(2w+6) \\ \\ \therefore V=w(4w^2-12w-2w-6) \\ \\ \therefore \boxed{V=4w^3-14w^2-6w}$

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4 years ago

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Consider the line y = -7x+9.

STALIN [3.7K]

Answer:

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Step-by-step explanation:

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3 years ago

A swimming pool with the

musickatia [10]

Answer:

<h2>$12.6</h2>

Step-by-step explanation:

Step one:

given that the dimensions are

length=3cm

width=4cm

hieght= 7cm

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Step two:

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we are told that 1cm^3 will cost $0.15

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cross multiply

x= 0.15*84

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<u>The cost of filling the pool will be $12.6</u>

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Wewaii [24]

Answer:

Isabelle is plotting a pentagon on a grid.

So far, she has plotted and connected the three points shown on the grid below.

On a coordinate plane, lines connect points (negative 2, 4), (negative 3, 2), and (0, negative 2).

To find:

To complete the pentagon, choosing only from the points below. (2, 0), (–2, 0), (–2, 4), (2, 4).

How can Isabelle complete her pentagon?

Solution:

Consider the attached figure, while going through the following steps.

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Step-by-step explanation:

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There is 168 hours in 7 days
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