Step-by-step explanation:
x is the independent variable
y is the dependent variable
Answer:
5x + 3y = 95
8x + 6y = 170
x = 10 ; y = 15
Step-by-step explanation:
Let :
x = pack of juice boxes
y = pack of water bottles
Pack of juice box = $5
Pack of water bottles = $3
Amount of money spent :
5x + 3y = $95
Number of drinks purchased :
8x + 6y = 170
Using both equations ;
5x + 3y = 95 - - - (1)
8x + 6y = 170 - - - (2)
Multiply (1) by 6 and (2) by 3
30x + 18y = 570
24x + 18y = 510
Subtract :
6x = 60
x = 60 / 6
x = 10
Put x = 10 in (1)
5(10) + 3y = 95
50 + 3y = 95
3y = 95 - 50
3y = 45
y = 45 / 3
y = 15
x = 10 ; y = 15
Following expressions will have negative product
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Following expressions will have positive product
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Further explanation:
We will see at each expression one by one
First expression is:
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In the given expression one term is positive and one term is negative. The product of negative and positive terms is negative.
Second Expression is:
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Both terms are negative and the product of two negative terms is positive.
Third Expression is:
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The expression has one positive and one negative term so the product will be negative
Fourth Expression is:
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Both terms are positive so the product will also be positive
Keywords: Product, Expressions
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Step-by-step explanation:
6000
your answer is 6000