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Elanso [62]
3 years ago
7

Please Help Me with these 3 questions !!

Mathematics
1 answer:
umka2103 [35]3 years ago
8 0

Answer:

17) c

18) a) 19

19) i dont know sorry

Step-by-step explanation:

the first two i can solve, the first one i simply put in a calculator and observed that it did not pass the vertical line test, so it is now a function. the second one all you have to do is sub in -3 for x so the equation reads |-(-3)^3-8| which equal 19, sorry i couldnt help on 19

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Answer:

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Step-by-step explanation:

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2 years ago
Which equation represents the statement thirteen less then a number is forty two
Ludmilka [50]
X-13=42 
x is the "variable", you're taking 13 away from that, and the answer is also given, 42. 
3 0
3 years ago
Read 2 more answers
a wool suit discounted by 30% for a clearance sale, has a price tag of $199. what was the suit's original price
Elena-2011 [213]

Answer:

<h2><em>$284.29</em></h2>

Step-by-step explanation:

Let the original price be x

The discounted price for a clearance sale = 30% of x

If the price tag after discounting = $199.

Using the relationship to find the original price x

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0.7x/0.7 = 199/0.7

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5 0
3 years ago
2thousands pluse 14hundreds
snow_tiger [21]
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3 0
3 years ago
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Students are selling pies for a school fundraiser. Customers can buy cherry pies and apple pies. Jennifer sold 12 cherry pies an
Tpy6a [65]

Answer: A cherry pie costs 9 and an apple pie cost 12

Step-by-step explanation:

Let an apple pie be represented by a

Let an cherry pie be represented by c

Jennifer sold 12 cherry pies and 3 apple pies for a total of 144. This can be written as:

12c + 3a= 144

Jacob sold 2 cherry pies and 9 apple pies for a total for 126. This can be written as:

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2c + 9a = 126 ........... ii

Multiply equation i by 2

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Subtract iv from iii

-102a = -1224

a = 1224/102

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12c + 36 = 144

12c = 144 - 36

12c = 108

c = 108/12

c = 9

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7 0
3 years ago
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