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choli [55]
3 years ago
8

A tv priced at £800 was reduced by 20% in a sale. On the last day it was reduced by a further 10%. Work out the overall reductio

n in price
Mathematics
2 answers:
kirza4 [7]3 years ago
5 0

Answer:

576

Step-by-step explanation:

1. 800*0.8=640

2. 640*0.9=576

Anarel [89]3 years ago
5 0

Answer: 576

Step-by-step explanation:

Tv price = £800

% reduction = 20% of original price

= 20% of £800

= 20/100 x £800

= £160

New price = £800 - £160 = £640

Last day reduction = 10% of new price

= 10% of £640

= 10/100 x £640

= £64

Total % reduction = £160 + £64= £224

Therefore, the new price after both % reduction = original price - total % reduction

= £800 - £224

= £576

Therefore, the overall reduction in price = £576

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Bumek [7]
If I’m analyzing the question correct, you would pay 912 in total
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alukav5142 [94]

Answer:

i think its no soulution

Step-by-step explanation:

the numbers all cancel out

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wariber [46]

Answer:

     <u>First figure:</u>            954cm^3

     <u>Second figure:</u>      1,508yd^3

     <u>Third figure:</u>

  •          Height= q
  •           Side length = r

     <u>Fourth figure: </u>        726cm^3

Explanation:

<u></u>

<u>A. First figure:</u>

<u>1. Formula:</u>

            \text{Volume of a cylinder}=\pi \times radius^2\times length

<u>2. Data:</u>

  • radius = 9cm / 2 = 4.5cm
  • length = 15 cm

<u>3. Substitute in the formula and compute:</u>

          Volume=\pi \times (4.5cm)^2\times (15cm)\approx 954cm^3\approx 954cm^3

<u>B. Second figure</u>

<u>1. Formula: </u>

       \text{Volume of a leaned cylinder}=\pi \times radius^2\times height

<u>2. Data:</u>

  • radius = 12yd
  • height = 40 yd

<u>3. Substitute and compute:</u>

      Volume=\pi \times (12yd)^2\times (40yd)\approx 1,507.96yd^3\approx 1,508yd^3

<u></u>

<u>C) Third figure</u>

a) The<em> height </em>is the segment that goes vertically upward from the center of the <em>base</em> to the apex of the pyramid, i.e.<u>  </u><u>q  </u>.

The apex is the point where the three leaned edges intersect each other.

b) The side length is the measure of the edge of the base, i.e.<u>  r </u><u> </u>.

When the base of the pyramid is a square the four edges of the base have the same side length.

<u>D) Fourth figure</u>

<u>1. Formula</u>

The volume of a square pyramide is one third the product of the area of the base (B) and the height H).

          Volume=(1/3)B\times H

<u>2. Data: </u>

  • height: H = 18cm
  • side length of the base: 11 cm

<u>3. Calculations</u>

a) <u>Calculate the area of the base</u>.

The base is a square of side length equal to 11 cm:

          \text{Area of the base}=B=(11cm)^2=121cm^2

b) <u>Volume of the pyramid</u>:

         Volume=(1/3)B\times H=(1/3)\times 121cm^2\times 18cm=726cm^3

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Answer:

3y= -42

y= -14

Step-by-step explanation:

3y= -42

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Julli [10]
<span> For this case we have the following number: 
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 We are going to decompose this number as the sum of three numbers:
</span> 710200 = 700000 + 10000 + 200&#10;
<span> Let's now write each number:
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 10000: ten thousand
 200: two hundred
 Therefore, the complete expression is:
 Seven hundred ten thousand two hundred
 Answer:
 Seven hundred ten thousand two hundred</span>
8 0
3 years ago
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