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Montano1993 [528]
3 years ago
7

A blender was originally sold for $90 and has been marked down to $79.20. What is the percentage of discount for the blender

Mathematics
1 answer:
attashe74 [19]3 years ago
5 0

Answer:

12%

Step-by-step explanation:

Percentage discount

=  \frac{discount}{original \: price}  \times 100\% \\  =  \frac{90 - 79.20}{90}  \times 100\% \\  = 12\%

☆ Discount= original price -marked price

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An equation of a line parallel to y=-9/5x-3 and goes through (1,7)
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Is my answer correct? If its not, would you mine telling me what is correct?
Luden [163]

Answer:

Sorry but you have the y and x mixed up

Step-by-step explanation:

You have them mixed up

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Write the expression for when you translate the graph of y = |3x− 5| one unit to the right. Plzz help
AfilCa [17]

Answer:

2<x<4/3

Step-by-step explanation:

Given the equation of a graph to be y = |3x− 5|, if the equation is one unit to the right, this can be expressed as |3x-5| > 1.

Solving the resulting equation

|3x-5| > 1.

Since the function 3x-5 is in a modulus sign, this means that the function can take both negative and positive values.

For positive value of the function;

+(3x-5) > 1

3x > 1+5

3x>6

x>6/3

x>2 ... (1)

For the negative value of the function;

-(3x-5) > 1

On expansion

-3x+5 > 1

-3x > 1-5

-3x > -4

Multiplying through by -1 will also change the inequality sign

x < -4/-3

x < 4/3...(2)

Combining equation 1 and 2, we have;

2<x<4/3

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3 years ago
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Graph for the quadratic formula f(x) = (x - 3) ^2 +5
aksik [14]

Please see the attached graph to see f(x) = (x - 3) ^2 +5 graphed.

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There are 3 red and 8 green balls in a bag. If you randomly choose balls one at a time, with replacement, what is the probabilit
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\frac{3}{11}\frac{3}{11}\frac{8}{11}=\frac{3*3*8}{11^3}=\frac{72}{1331}

Now, without replacement the order does matter. He picks a red ball, a red ball then a green ball. The probability of picking the first red ball is\frac{2}{11}, and the probability of picking the second red ball is \frac{1}{10} and the probability of picking the green ball is\frac{1}{9}. We want to multiply thm again, as per the multiplication rule like the last problem.

\frac{2}{11}*\frac{1}{10}*\frac{1}{9}=\frac{1}{11*5*9}=\frac{1}{495}

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3 years ago
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