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Reika [66]
3 years ago
9

Solve the system. 3x+1y=3.85 4x+5y=10.45.

Mathematics
1 answer:
creativ13 [48]3 years ago
6 0
(0.8, 1.45)

I hope this helps! (:
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Gina's number is 2 more than sara's. the sum of their numbers is 68. what are their numbers?
ikadub [295]

In order to solve this problem, we transform the statements into algebraic expressions. First, we assign the variables.

 

Let:

x = Gina’s number

y = Sara’s number

 

For the first equation, we show that Gina’s number is greater than Sara’s number by 2. For the second equation, we show that the sum of both numbers is 68.

<span>(1)  </span>x – y = 2

<span>(2)  </span>x + y = 68

 

<span>We add the two expressions, which result in the expression: 2x = 70. Then we divide 70 by 2 to get the value of x. We then have x = 35. Using the second equation, we solve for y = 68-35. This gives y = 33. To summarize, Gina’s number is 35 while Sara’s number is 33.</span>
8 0
3 years ago
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Can someone help me plz​
wel

Answer: The correct answer is Choice C.

Step-by-step explanation: The drama club raised 150% of their goal, which is represented by choice c.

The proper way to calculate this percentage is to calculate how much they earned over the goal. They earned $150 over a goal of $300, so you divide 150 by 300 to determine the percentage.

150/300 = .5, or 50%

So, they earned 100% (300) plus 50% (150), for a total of 150% of the goal.

7 0
3 years ago
If you are adding two fractions that are both less than 1/2 what is true about the sum?
baherus [9]
1/2 + 1/2 +1/2 +1/2 +1/2 +1/2 = 6/12 or then divide 6/12 and you might get 5/100 mabey
3 0
3 years ago
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When a number is divided by 5, it has a remainder of 4.
Alexxx [7]

Answer:

37

Step-by-step explanation:

I plugged in the numbers between 35 and 40 and got this. No problem. :)

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2 years ago
Help pls I need help my grades go in in a couple mins
julsineya [31]

Answer:

16g

Step-by-step explanation:

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3 years ago
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