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kolbaska11 [484]
3 years ago
8

Complete the equations bellow.

Mathematics
1 answer:
Step2247 [10]3 years ago
7 0
What equations? Explanation:
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PLEASE HELP A store is having a sale on chocolate chips and walnuts. For 5 pounds of chocolate chips and 3 pounds of walnuts, th
Stells [14]

Answer:

Chocolate Chips cost $2.25 and Walnuts cost $3.25 per pound each

Step-by-step explanatChocion:

Let x = cost of pounds of chocolate chip cookies and y = cost of pounds of walnuts.

From the question, we get 5x+3y = 21 and 2x+6y = 24. To solve the equation, we use substitution. From the first equation, we get y = (21-5x)/3. We substitute the y into the second equation to get 2x + 6(21-5x)/3 = 24. This turns out to be 2x+(42-10x) = 24. Adding like terms you should get 42-8x = 24. Solving for x, x = $2.25 per pound. Plugging this into the first equation, we get 5(2.25)+3y = 21. Solving for y, we get $3.25 per pound of walnuts. If we plug in the numbers into the 2 equations, we will get the right total.

3 0
3 years ago
If i randomly pick a polynomial, is it more likely to have real roots or complex roots?
Vinil7 [7]
I would say you are more likely to have complex roots.  If you think of graphs of polynomials, if you draw a function that doesn't pass through the x-axis, all roots are complex. 
6 0
3 years ago
34
kvv77 [185]
140 sandwiches sold :)
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3 years ago
The greatest common factor of 45+9x
Tomtit [17]

9 (x + 5) the greatest common factor is 9

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A fish is 12 meters below the ocean what's it's elevation
mamaluj [8]
A fish is 12 meters below the ocean

below the ocean means lower than the surface (or in the negatives)

12 is the amount of meters it is at

-12 meters is your answer

hope this helps
6 0
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