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Wittaler [7]
3 years ago
10

2. How many solutions does this system have?

Mathematics
1 answer:
Zanzabum3 years ago
3 0

Answer:

Infinitely many solutions.

Step-by-step explanation:

2x+y=3

6x=9-3y

-------------

y=3-2x

6x=9-3(3-2x)

6x=9-9+6x

6x=6x

infinitely many solutions

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At a deli, 56 sandwiches were sold during lunchtime. Twenty-five percent of the sandwiches sold were tuna salad sandwiches. How
denpristay [2]
Answer - 42 Sandwiches

Explanation -
56 is what you start out with. you will need to find 25% of those 56 to see the remaining. So 25% of 56 is 14 because .25 x 56 is 14. You then subtract 56 from the 14 Tuna sandwiches and you’re left with 42.
8 0
3 years ago
If 21 is added to a number, the result is 41 less than twice the number. Find the number.
TEA [102]

Answer: 62

Step-by-step explanation: Set up your equation

  1. 21+x=2x-41 because the number (x) that 21 is added to is 41 <em>less than</em> (so subtraction) <em>twice </em>(so multiply the number x by 2) the number (x).
  2. Get the x's on one side by subtracting the single x
  3. 21=x-41
  4. Now add 41 to both sides to completely isolate x
  5. 62=x
  6. So, your answer is x=62. The number is 62.

Check your work. 62+21=83. 2(62)= 124. 124-41=83. Both equations equal 83, so the solution is correct.

5 0
2 years ago
Tatiana’s book has an area of 88 square inches what are the length and width measurements of the book
Murljashka [212]

Answer:

9.38 inch

Step-by-step explanation:

length \:  = width \:  =  \sqrt{area}  =  \sqrt{88}  = 9.38 \: inch

7 0
2 years ago
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Fidel has a rare coin worth $500. Each decade, the coin's value increases by 20%.
Usimov [2.4K]

Answer:

It would be graph A.

Step-by-step explanation:

I have done this assignment before I know thats the answer I got 100% I gotchu ;)

6 0
3 years ago
Brandon has a 55-gallon fish tank. He estimates he can drain the tank at an average rate of 11 gallons per minute. In a linear m
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Answer:

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Step-by-step explanation:

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5 0
2 years ago
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