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3 years ago

Alfred buys a car for £15225 which depreciates in value at a rate of 0.25% per year.

Mathematics

1 answer:

GaryK [48]3 years ago

3 0

Answer:

14,590

Step-by-step explanation:

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What is the product of the complex numbers (3 + i) and (3 - i)?

dedylja [7]

Answer:

\left(3+i\right)y\left(3-i\right)=10y

Step-by-step explanation:

\left(3+i\right)y\left(3-i\right)

\left(3+i\right)\left(3-i\right)y

=y\cdot \:10

=10y

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2 years ago

The distance between -7 and 24

bezimeni [28]

Answer:

Step-by-step explanation:

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3 years ago

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The area of a triangle is 18 square feet. If the base is 3 feet, what is the height of the triangle? no pic

Leya [2.2K]

Answer:

Im pretty sure the height of triangle would be 6

Step-by-step explanation:

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3 years ago

The line that is the perpendicular bisector of the segment whose endpoints are R(-1, 6) and S(5, 5)

velikii [3]

I think what you are looking for is to indicate an ecuation for this. So lets do the procedure:
First you need to find the slope of this line.
(5 - 6)/(5 + 1) = -1/6 
So, The slope of the perpendicular line is the opposite reciprocal, which is 
+6/1.Now we know the slope of the line but still have to find the mid point of the line. 
That is why we are going to use the mid point equation 
x = (-1 + 5)/2 = 2 
y = (6 + 5)/2 = 11/2 
(y - 11/2) = 6(x - 2) 
The last thing you do is rearrange the equation to get y = 6x - 6.5
Hope this is what you were looking for

8 0

3 years ago

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María regala a su padre un best seller por su cumpleaños. Elige la encuadernación de tapas duras que tiene forma de prisma recta

iris [78.8K]

Answer:

<h2>María used only 792 square centimeters to cover the best seller.</h2>

Step-by-step explanation:

The volume of the best seller is about a rectangular prism, which is

$V= w \times l \times h$

Where $w$ is width, $l$ is length and $h$ is height.

In this case, we have

$w=12 \ cm\\l= 18 \ cm\\h= 6 \ cm$

Replacing values in the formula, we have

$V=12cm \times 18cm \times 6cm=1,296cm^{3}$

Now, according to the problem, 10% of paper covers the book, that means we need to find the suface area and then find the 90% of the paper missing. The formula for surface area is

$S=2wl+2lh+2hw$

Replacing values, we have

$S=2(12)(18)+2(18)(6)+2(6)(12)=432+216+144=792cm^{2}$

If 792 square centimeters is 10% of the total paper, then

$x=100\%\frac{792cm^{2} }{10\%} =7,920cm^{2}$

Therefore, there is 7,920 square centimeters of papers, but María used only 792 square centimeters to cover the best seller.

4 0

3 years ago