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3 years ago

Fred by the video game deaths for $4 there was a discount of 20% what is the sale price

Mathematics

2 answers:

Arisa [49]3 years ago

7 0

If the game cost $4, and the discount is 20%, then the sales price is $0.80 because 4 × 0.2 = 0.8

OlgaM077 [116]3 years ago

3 0

If you would like to know what is the sale price, you can calculate this using the following steps:

20% of $4 = 20% * 4 = 20/100 * 4 = $0.8

$4 - $0.8 = $3.2

The sale price would be $3.2.

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2 years ago

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3 years ago

3x^2+kx=-3 What is the value of K will result in exactly one solution to the equation?

Scorpion4ik [409]

Answer:

For k = 6 or k = -6, the equation will have exactly one solution.

Step-by-step explanation:

Given a second order polynomial expressed by the following equation:

$ax^{2} + bx + c, a\neq0$ .

This polynomial has roots $x_{1}, x_{2}$ such that $ax^{2} + bx + c = (x - x_{1})*(x - x_{2})$ , given by the following formulas:

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$x_{2} = \frac{-b - \sqrt{\bigtriangleup}}{2*a}$

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If $\bigtriangleup = 0$ , the equation has only one solution.

In this problem, we have that:

$3x^{2} + kx + 3 = 0$

$a = 3, b = k, c = 3$

$\bigtriangleup = b^{2} - 4ac$

$\bigtriangleup = k^{2} - 4*3*3$

$\bigtriangleup = k^{2} - 36$

We will only have one solution if $\bigtriangleup = 0$ . So

$\bigtriangleup = 0$

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2 years ago

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kondor19780726 [428]

Answer:

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5 0

3 years ago

A butcher purchases 50 chicks at the rate of Ts.60 per chick.10 of them died and he sold remaining chicks at the rate of Rs.80 p

Romashka-Z-Leto [24]

Answer: 6.25%

Step-by-step explanation:

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= 40 chicks * 80

= Rs. 3,200

The profit is:

= 3,200 - 3,000

= Rs. 200

The percentage is:

= Profit / Revenue

= 200 / 3,200

= 6.25%

3 0

3 years ago