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Bumek [7]
3 years ago
6

Subtract five from three times a number and the result is equal to the number plus five. find the number.

Mathematics
1 answer:
allsm [11]3 years ago
6 0
3(x)-5=x+5
3x=-5+5+x
3x=x
0=x
because 3x=x is basically would make each part into 0 which would end up the same. 
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Find the coordinates of the point(s on the curve 2y=10?x2 that are closest to the origin
sergey [27]
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4 0
3 years ago
Paul has $30,000 to invest. His intent is to earn 15% interest on his investment. He can invest part of his money at 8% interest
jeka94

Answer:

Amount invested at 8% is $9000 and amount invested at 18% is $21000.

Step-by-step explanation:

Let amount invested at 8% be x.

Let amount invested at 18% be y.

We get the 1st equation as:

x+y=30000       ........(1)

We get the second equation as:

0.08x+0.18(y)=0.15\times30000

=> 0.08x+0.18y=4500

or getting rid of the decimal by multiplying by 100 on both sides.

8x+18y=450000          ........(2)

Multiplying (1) by 8 and subtracting from (2) we get

10y=210000  

So, y = 21000

And x+21000=30000

x = 30000-21000

So, x = 9000

Therefore, amount invested at 8% is $9000 and amount invested at 18% is $21000.

6 0
3 years ago
20 POINTS TO WHOEVER CAN ANSWER THIS QUESTION! PLZZZ?!
Yakvenalex [24]
Hope this would help you

6 0
3 years ago
Read 2 more answers
Help me with the attached question please
sergejj [24]

Answer:

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Step-by-step explanation:

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6 0
2 years ago
What if u round 0.5 to the nearset hundredth
Simora [160]

Answer:

0.50 (still the same)

Step-by-step explanation:

4 0
2 years ago
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