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3 years ago

11

Wisal buys a car for £19000.

1 answer:

jek_recluse [69]3 years ago

6 0

Answer:

$15475.62$

Step-by-step explanation:

$19000 \times (1-\frac{5}{100}) ^4$

$19000 \times (\frac{19}{20}) ^4$

$\frac{2476099}{160}$

$=15475.61875$

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S_A_V [24]

Answer:

C is the answer! B and C are equivalent!

Step-by-step explanation:

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A decorative window is made up of a rectangle with semicircles at either end. The ratio of AD to AB is 3:2 and AB is 30 inches.

scZoUnD [109]

Answer: The required ratio will be

$84:1034$

Step-by-step explanation:

Since we have given that

Ratio of AD to AB is 3:2

Length of AB = 30 inches

So, it becomes

$2x=30\\\\x=\frac{30}{2}=15\ inches$

So, Length of AD becomes

$3x=3\times 15=45\ inches$

Now, at either end , there is a semicircle.

Radius of semicircle along AB is given by

$\frac{30}{2}=15\ inches$

So, Area of semicircle along AB and CD is given by

$2\times \frac{\pi r^2}{2}\\\\=\frac{22}{7}\times 15\times 15\\\\=\frac{4950}{7}\ in^2$

Radius of semicircle along AD is given by

$\frac{45}{2}=22.5\ inches$

Area of semicircle along AD and BC is given by

$2\times \frac{1}{2}\pi r^2\\\\=\frac{22}{7}\times \frac{45}{2}\times \frac{45}{2}\\\\=\frac{445500}{28}\ in^2$

And the combined area of the semicircles is given by

$\frac{4950}{7}+\frac{445500}{28}\\\\=\frac{465300}{28}\ in^2$

Area of rectangle is given by

$Length\times width\\\\=AD\times AB\\\\=45\times 30\\\\=1350\ in^2$

Hence, Ratio of the area of the rectangle to the combined area of the semicircles is given by

$1350:\frac{465300}{28}\\\\=1350\times 28:465300\\\\=37800:465300\\\\=84:1034$

Hence, the required ratio will be

$84:1034$

8 0

3 years ago

What is the value of this expression?(5+3) X (4-2)

Nikitich [7]

Answer:

16

Step-by-step explanation:

Given the following question:

$(5+3)\times(4-2)$

Solve using PEMDAS:

$(5+3)\times(4-2)$
$5+3=8$
$8\times(4-2)$
$4-2=2$
$8\times2=16$
$=16$

Your answer is "16."

Hope this helps.

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2 years ago

The distance between two cities on a map is 3.5 centimeters. The map uses a scale in which 1 centimeter represents 20 kilometers

dedylja [7]

Answer:

70 Kilometers

Step-by-step explanation

20x3+20÷10=70

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Harman [31]

Can you please show the answer choices?

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