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oksano4ka [1.4K]
3 years ago
15

Best and correct answer gets brainliest!!!

Mathematics
1 answer:
dmitriy555 [2]3 years ago
8 0
59 degrees!
because you set up your problem: 3c+2+2c-7=90
then combine all like terms: 5c-5=90
Add 5 to both sides: 5c=95
then divide both sides by 5: c=19
Plug in your answer: 3(19)+2=59
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How many solutions does the equation have?
Alex17521 [72]

Answer:

x = 1/2

Step-by-step explanation:

2x + 3 = 4x + 2

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3 = 2x + 2

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1 = 2x

Divide both sides by 2x

x = 1/2

4 0
3 years ago
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A bag contains 105 red and blue marbles. The ratio of red to blue marbles is 2:5. How many red marbles are in the bag?
V125BC [204]

Answer:

30 red marbles

Step-by-step explanation:

If the ratio is 2 red marbles for every 5 blue marbles then you would add them together to find out how many marbles are in one group.

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105÷7=15

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Looking back at the ratio, we know that the 15 groups each have 2 red marbles and 5 blue marbles. So if there is 2 red marbles 15 times (2 marbles in 15 groups) we would multiply.

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I hope that makes sense.

5 0
3 years ago
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Answer:

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2 years ago
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Say that the economy is in an expansion, causing wages to increase by six percent. if you previously received a monthly salary o
Westkost [7]

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A percentage is a minimum number or ratio that is measured by a fraction of 100.

You previously received a monthly salary of $1,375.00

Now by economic expansion, causing wages to increase by 6%

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Hence, your new monthly salary would be $1,457.50.

Learn more about percentages;

brainly.com/question/13450942

8 0
2 years ago
Eric and Linda are paid ​$41.25 for their work. Eric worked 2.5 ​hours, and Linda worked 3 hours. They split the money according
arsen [322]

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Eric's share is $18.75.

3 0
2 years ago
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