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kow [346]
3 years ago
10

A compact disc player costs £50 plus 17 1/2% Vat. Calculate the total cost of the compact disc player

Mathematics
1 answer:
Shtirlitz [24]3 years ago
7 0
With Calculator:
To work out the multiplier, take the percentage, divide by 100 and add 1
17.5% / 100 = 0.175
1 + 0.175 = 1.175
£50 x 1.175 = £58.75

Without Calculator:
First work out easy percentages of 50 (if needed use previous answers (such as 10) to work out smaller percentages (such as 5%))
100% = 50
10% = 5
5% = 2.5
2.5% = 1.25
10% + 5% + 2.5% = 17.5%
5 + 2.5 + 1.25 = £8.75
Add this on to the original price:
£50 + £8.75 = £58.75

The total price, including VAT, is £58.75
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Dear god help me I NEED this answer!!
tatiyna

Answer:

<em>Correct choices: a) 5:12 and c) 7 to 12</em>

Step-by-step explanation:

The ratio of red beads to pink beads is 5:7. This means that for every 5 red beads there are 7 pink beads.

It also means that for every 12 beads there are 5 red beads and 7 pink beads.

Therefore, there are two part-to-whole ratios:

5:12 red beans to total beads, and

7:12 pink beans to total beads

Correct choices: a) 5:12 and c) 7 to 12

5 0
3 years ago
Which equation results from applying the secant and tangent segment theorem to this figure? x(x 2) = (x 4) x(x 4) = (x 2) x(x 4)
fomenos

The equation which is results from applying the secant and tangent segment theorem to the provided figure is,

x(2x +4) = (x +2)^2

<h3>What is secant and tangent segment theorem?</h3>

The secant-tangent theorem tells the relation of the line segment made by a tangent and the secant lines with the connected circle.

According to this theorem, if the tangent and secant segments are drawn from an exterior point, then the square of this tangent segment is equal to the product of the secant segment and the line segment from that exterior point.

The image of the given problem is attached below. In the attached image, the tangent is given as,

T=x+2

The secant is shown in the image has the value,

S=x+x+4\\S=2x+4

Now according to the secant tangent theorem,

x(2x +4) = (x +2)^2

Hence, the equation which is results from applying the secant and tangent segment theorem to the provided figure is,

x(2x +4) = (x +2)^2

Learn more about the secant-tangent segment theorem here;

brainly.com/question/10732273

7 0
3 years ago
The width of a rectangle is five less than twice the length. What is the minimum area of the rectangle?
Andrei [34K]
W=2L-5

-------------

A=L*W

=L(2L-5)

=2L²-5L

-------------

dA/dL=4L-5

When dA/dL=0,

4L-5=0

4L=5

L=5/4

----------------

When L=5/4

A=5/4*(2*(5/4)-5)

=5/4*(10/4-20/4)

=5/4*((-10)/4)

=5/4*(-5/2)

=-25/8

--------------------------------

*You may have been given a badly written out question. The answer doesn't make sense.

7 0
4 years ago
Plz need help will be great
lina2011 [118]
A. Because you don’t cross over the same point twice
7 0
3 years ago
F(x) = -x² – 9x - 7 Find f(3)​
NeX [460]

Answer:

f(3) = -43

Step-by-step explanation:

alright so all you have to do is substitute x with 3 so it gonna look like

-(3)^2-9(3)-7= f(x)

now you just have to solve

-9-27-7=f(x)

f(x)= -43

3 0
4 years ago
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