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11Alexandr11 [23.1K]
3 years ago
14

Shoe store A is having a sale in which every pair of shoes is 40% off the regular price.

Mathematics
2 answers:
iragen [17]3 years ago
8 0
Store A because 40% off of 120$ will equal 72.
mash [69]3 years ago
5 0
Store a where there is the 40% off, unless he's buying something less that $100 the percentage will always be the better deal than a solid amount off.
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Which answer is the equation of the line represented in function notation?
Vikki [24]
The answer will be D
5 0
3 years ago
Let f(x) = - 10x + 9 and g(x) = x2 + 12 <br>Find f( - 4)/g( - 4)​
Reptile [31]

Answer:

\frac{49}{28}

Step-by-step explanation:

Evaluate g(- 4) and f(- 4) by substituting x = - 4 into g(x) and f(x), that is

f(- 4) = - 10(- 4) + 9 = 40 + 9 = 49

g(- 4) = (- 4)² + 12 = 16 + 12 = 28

Then

\frac{f(-4)}{g(-4)} = \frac{49}{28} = \frac{7}{4}

7 0
3 years ago
PLEASE HELP GIVING BRAINLIEST 52 POINTS!
mr_godi [17]

Answer:

  • D) 60 serves

Step-by-step explanation:

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<u>Number of serves in:</u>

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6 0
2 years ago
Read 2 more answers
11. The completion of a chemical reaction is expressed by the equation y = 300 - 4x - XP, where y is
alina1380 [7]

Answer:

The reaction ca occur at 10 degree Celsius or -14 degree Celsius.                                          

Step-by-step explanation:

We are given the following in the question:

The completion of a chemical reaction is expressed by the equation

y = 300 - 4x -x^2

where y is  the number of seconds needed to complete the reaction and x is the temperature in degrees Celsius  at which the reaction occurs.

We have to find the temperature at which the reaction occurs, if the completion time of reaction is 160 seconds.

Putting y = 160

160 = 300 - 4x -x^2\\x^2 + 4x  - 140 = 0\\x^2 + 14x -10x -140 = 0\\x(x+14)-10(x+14)=0\\(x-10)(x+14) = 0\\(x-10) =0, (x+14) =0\\x = 10, x = -14

Thus, the reaction ca occur at 10 degree Celsius or -14 degree Celsius.

5 0
2 years ago
Help please I am confused?
ELEN [110]

Answer:

Given m∠RST = (15x - 10)o

Using angle addition postulate:

m∠RST = m∠RSP + m∠PST (15x - 10)= (x + 25)+ (5x + 10)(15x - 10)=

so your answer would be (6x+35)

Step-by-step explanation:

4 0
3 years ago
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