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hichkok12 [17]
4 years ago
14

If a thermometer is represented by a vertical number line, locate the temperatures that are 4 degrees away from 0°C

Mathematics
1 answer:
Naddik [55]4 years ago
3 0

Answer:

Step-by-step explanation:

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How would i solve for x and y in 3x+2y=17 and 2x-y=2 by using substitution
maxonik [38]
I’ll do an example problem, and I challenge you to do this on your own!
4x+6y=23
7y-8x=5
Solving for y in 4x+6y=23, we can separate the y by subtracting both sides by 4x (addition property of equality), resulting in 6y=23-4x. To make the y separate from everything else, we divide by 6, resulting in (23-4x)/6=y. To solve for x, we can do something similar - subtract 6y from both sides to get 23-6y=4x. Next, divide both sides by 4 to get (23-6y)/4=x.

Since we know that (23-4x)/6=y, we can plug that into 7y-8x=5, resulting in
7*(23-4x)/6-8x=5
= (161-28x)/6-8x
Multiplying both sides by 6, we get 161-28x-48x=30
= 161-76x
Subtracting 161 from both sides, we get -131=-76x. Next, we can divide both sides by -76 to separate the x and get x=131/76. Plugging that into 4x+6y=23, we get 4(131/76)+6y=23. Subtracting 4(131/76) from both sides, we get
6y=23-524/76. Lastly, we can divide both sides by 6 to get y=(23-524/76)/6

Good luck, and feel free to ask any questions!
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3 years ago
Round each addendum to the nearest ten. 478 + 112
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500 and 100 because if you see the seven right, seven is the judge and so as the one. Make it 500 and the next number 100. So you'll have en estimate of 600. Ur welcome.
8 0
4 years ago
What is the answer to this question?
marysya [2.9K]
The answer is C. (2, 3)
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Please help and show work for number 19
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First, multiply the top layer. 9 times 8 is 72.
now multiply the next layer. its not 15 times 20. its 7 times 20. remember the 9 times 8? well the 8 is a part of the 15. 15-8 is 7. 7 times 20 is 140.  now add 140 and the 72 from the beginning. 140+72 is = to 212.  please give me THE BRAINLIEST ANSWER.
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A waterfall is n times the height of its picture on a postcard.
densk [106]

Answer: y=6n

Step-by-step explanation:

8 0
3 years ago
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