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gulaghasi [49]
3 years ago
12

Raphael paid $644 for a camera during a 20% off sale. What was the​ camera's regular​ price?

Mathematics
2 answers:
scoray [572]3 years ago
7 0
644 is 80% of the regular price, so price=644/0.8 = 805 $
Setler [38]3 years ago
4 0
<span>$S = $P - $P × 0.15 = $P(1 - 0.2) = $P × 0.8. Do a litte algebra, you get $S=.8$P. 
$S stands for sale price, $P stands for original price. We know the sales price: $644. We know now that 644=.8$P. Divide both sides by .8 and you get $P=$805. Hope this helps!</span>
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If y = 5x − 4, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs?
Mama L [17]

Answer:

x can be any value, x will be the input, y will be the output.

Step-by-step explanation:

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y = 11, y = 26, y = 41.

These are all possible sets of ordered pairs, but ANY Real number can be represented as X, and it will need to be in an order. These numbers are all positive, so in this case, you just have to draw out Quadrant 1 in a Coor. Plane.

<u>X (Input)  I  Y (Output)</u>

3              I  11

6              I  26

9              I  41

See, when x increases by 3, Y increases by 15. If you go on, it will be the same path, same pattern.

Hope This Helps! :)

8 0
3 years ago
Math nerds help me out
FinnZ [79.3K]

Answer:

the 3rd one

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Step-by-step explanation:

7 0
3 years ago
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ElenaW [278]
It takes 2 hours to meet

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4 0
4 years ago
Please help me i only have 30 mins to an hour to finish
nadya68 [22]

Answer:

D. 105 students

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4 0
3 years ago
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Answer:

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