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Vladimir [108]
3 years ago
11

Please help me, solve for y 2x-y=5

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
3 0
<span><span><span>2x</span>−y</span>=5

</span>Add -2x to both sides.

<span><span><span><span>2x</span>−y</span>+<span>−<span>2x</span></span></span>=<span>5+<span>−<span>2x

</span></span></span></span><span><span>−y</span>=<span><span>−<span>2x</span></span>+5

</span></span>Divide both sides by -1.<span><span><span><span><span>
</span></span></span></span></span><span><span>
\frac{-y}{-1} =  \frac{-2x+5}{-1}
‌</span></span><span>y=<span><span>2x</span>−5

</span></span>Answer:

<span>y=<span><span>2x</span>−<span>5</span></span></span>
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1. HELP Use front-end estimation to estimate the sum 8.86 + 9.43 + 5.75
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Answer:

1. Option D.

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1. You need to follow these steps in order to estimate the sum of 8.86 + 9.43 + 5.75:

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Step 2: Round the decimals to the nearest whole number:

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2. The procedure to estimate  the difference of 83.92-47.23 is:

83.92-\\47.23\\........\\40.00\\\ -4.00\\\ \ + 0.70\\-0.01\\...........\\+36.00\\+0\ 0.69\\..............\\36.69

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3 years ago
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3 years ago
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3 years ago
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Answer:

The medical doctor prescribed 0.35 ml of insulin per day.

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To find out how many millimiters of insulin was prescribed we need to find out how many units we have to took. The doctor prescribed two does of 15 units and 20 units, so the total of units for the day is the sum of the two in this cas 15 + 20 = 35 units. Now we can use a proportion rule, if we have 100 units for 1 ml in 35 units we will have an x amount of ml:

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7 0
2 years ago
Read 2 more answers
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