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irga5000 [103]
3 years ago
13

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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Answer:

Experimental probability = 9 / 100

Theoretical probability = 1/7

Step-by-step explanation:

The experimental probability of an event is written as :

P = number of times event occur / total number of trials

Experimental probability is based on the outcome of an experiment that has taken place.

Theoretical probability is based on expected outcome of an event.

P = number of expected or required outcomes / total possible outcomes

Experimental probability of choosing the name Michael is :

Number of times Michael is chosen / number of trials

Experimental probability = 9 / 100 = 0.09

Theoretical probability of choosing michael:

Number of names in hat = 7

Number of names called Michael in hat = required outcome = 1

P = 1 / 7

If the number of names in hat was different from 7, then the theoretical probability will change.

Also, if the number of times a name was chosen was different from 100, then number of trials will also change and hence, the experimental probability.

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2 years ago
Help? with complete solution​ please help me please
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9514 1404 393

Answer:

  1. 13 ft
  2. (a) 1 second; (b) t = 0, t = 1/2

Step-by-step explanation:

<h3>1. </h3>

Let w represent the length of the wire. Then the height of attachment is (w-1). The Pythagorean theorem tells us a relevant relation is ...

  5² +(w -1)² = w²

  w² -2w +26 = w² . . . . . . . eliminate parentheses, collect terms

  26 = 2w . . . . . . . . . . . . add 2w

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The length of the wire is 13 feet.

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<h3>2. </h3>

(a) When h = 0, the equation is ...

  0 = -16t^2 +8t +8

Dividing by -8 puts this into standard form:

  2t^2 -t -1 = 0

Factoring, we get ...

  (2t +1)(t -1) = 0

The positive value of t that makes a factor zero is t = 1.

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(b) When h = 8, the equation is ...

  8 = -16t^2 +8t +8

Subtract 8 and divide by 8 to get ...

  0 = -2t^2 +t

  0 = t(1 -2t) . . . . factor out t

Values of t that make the factors zero are ...

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The gymnast will be 8 feet above the ground at the start of the dismount, and 1/2 second later.

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Answer:

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12+17=29=AC

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