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marishachu [46]
3 years ago
5

Using a very precise measuring device, Dr. Calvin measured the thickness of a piece of metal to be 0.00064 of a meter. Dr. Amos

measured another piece to be 2.5 × 10-5 of a meter thick.
If the doctors put the two pieces of metal on top of each other, the new piece of metal would be
× 10-4 of a meter thick.
Mathematics
1 answer:
yarga [219]3 years ago
3 0
<span>so when ever you see "x10-5" all that it is saying is to move the decimal to the left 5 number places</span>
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25% of<br> what number is 21
Sergio [31]
21 is 25% of 84.......
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3 years ago
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13. 11 = 2b +17 14. 5 = 4a -7
dedylja [7]

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3 0
3 years ago
I need help with this homework can anyone help me. I need work too, help is appreciated:)
quester [9]
Let x = # of tickets sold in advance 
Let y = # of tickets sold the day of 


Cost of the tickets & total sales: 6x & 10y = 6828

You also know y = x + 206

Take the equation mentioned above y = x + 206 and sub it in anywhere the variable y is in the other equations so you'll have this:
6x + 10(x+206) = 6828

Now solve for x to get x = 298

To finish the problem, you must now find the number of y tickets sold.
Sub your x value that you found back into the equation y = x + 206 and you'll get y = 504.

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3 years ago
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Please help me write this equation​
tatuchka [14]
The answer is, y = -1/3 - 3
5 0
3 years ago
Ian needs to save at least $85.00 for a new pair of basketball shoes. He has $25.00 in his piggy bank, and can save $12.00 from
sweet [91]

Answer:

x = 6; 6 weeks

Step-by-step explanation:

Hi!!

Okay, so here is the equation needed to solve:

85.00 = 25.00 + 12.00x

Subtract 25 from both sides

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Then, you get:

55 = 12x

Divide 55 by 12

55/12 =x

so x = 6

Hope this helps!

7 0
3 years ago
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