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dem82 [27]
3 years ago
15

The graph shows the value of a car At different years after janine purchased it. which answer is the best estimate for the avera

ge rate of change between year 1 in year 7?

Mathematics
2 answers:
Karo-lina-s [1.5K]3 years ago
4 0

Answer:

Option A. -$550 is the correct option.

Step-by-step explanation:

In the given graph the value of the car over the period of years has been given.

We see that at year 1 cost of the car is $4900 and the cost at year 7 is $1600.

Over the period of 6 years change in value of the car = 4900-1600 = $3300

Therefore rate of change between 1 to 7 years = 3300/6 = -$550

So the average depreciation of the car value between 1 to 7 years will be $550.

elixir [45]3 years ago
3 0
I think it is -550/year
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Una diseñadora de modas que confecciona trajes de noche, tarda 3 horas en cortar y 2 horas en coser cada vestido de fiesta. Para
ella [17]

For this case we define the following variables:

x: Number of party dresses

y: Number of suits

You have 30 hours per week to cut, that is, the first equation is given by:

3x + 3y = 30\\

It is also known that 25 hours per week are available for sewing, that is:

2x + 3y = 25\\

It has a system of two equations with two unknowns, solving we have:

3x + 3y = 30\\\\2x + 3y = 25\\

Multiplying the second equation by -1:

3x + 3y = 30\\\\-2x-3y = -25\\

Adding up:

x + 0 = 5\\\\x = 5\\

Substituting x in the first equation:

3 * 5 + 3y = 30\\\\15 + 3y = 30\\

Clearing and:

3y = 30-15\\\\3y = 15\\

y = \frac{15}{3}\\\\y = 5\\

Thus, per week, the designer can produce 5 party dresses and 5 suits working at her maximum capacity.

Answer:

5 Party dresses

5 Suits


5 0
3 years ago
Which expression represents the volume, in cubic units, of the shaded part of the sphere? four-thirdsπ(103) four-thirdsπ(43) fou
oee [108]

The volume of the shaded part in cubic units is  4/3π(20)³ -  4/3π(4)³

<h3>Volume of composite object</h3>

The sphere is a a solid 3-dimensional object. THe formula for calculating its volume is expressed as:

V = 4/3πr³

where:

r is the radius of the sphere

<u>For the outer sphere:</u>

V = 4/3π(20)³

<u>For the inner sphere:</u>

V = 4/3π(4)³

The volume of the shaded part in cubic units is  4/3π(20)³ -  4/3π(4)³

Learn more on volume of sphere here: brainly.com/question/10171109

#SPJ4

6 0
2 years ago
•225+225 = ?<br>•5/25 = ?<br>•78-8 = ?<br>•13*1 = ?​
Karolina [17]

ANSWER:

[i] 225 + 225 = 450.

[ii] 5/25 = 1/5.

[iii] 78 - 8 = 70.

[iv] 13 × 1 = 13.

5 0
3 years ago
Read 2 more answers
8 1/2 + 2 7/9 = ----- fill in the lkank
Alex

Answer:

The answer is 11 5/18 because it is so easy.

3 0
3 years ago
How do you know if f is continuous on a closed interval?
Sophie [7]
The easiest way to remember is you can draw the graph without picking up your pencil.
7 0
3 years ago
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