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ozzi
2 years ago
15

Multiplying and dividing Decimals

Mathematics
1 answer:
Dvinal [7]2 years ago
7 0

Answer:

193.0 mph

Step-by-step explanation:

The average is defined as the sum of the items divided by the number of items.  In this case the sum is 771.888.  If we divide that by the number of items (4) we get 192.972.  However, our answer typically cannot have more significant digits than the element having the least number of significant digits.  Since one of the numbers has only one digit to the right of the decimal point, we would usually want to round our answer to one place as well.  So 192.972 will round to 193.0.

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-3x+3y=12<br> Y=x+4<br> Whats the soultion
lisov135 [29]

The system of equations has infinitely many solutions

<em><u>Solution:</u></em>

<em><u>Given system of equations are:</u></em>

-3x + 3y = 12 ------- eqn 1

y = x + 4 --------- eqn 2

We have to find the solution to the system of equations

We can use substitution method

Substitute eqn 2 in eqn 1

-3x + 3(x + 4) = 12

-3x + 3x + 12 = 12

-3x + 12 = -3x + 12

If we have terms with same terms on both sides of equal sign, then we have infinitely many solutions

Thus the system of equations has infinitely many solutions

5 0
3 years ago
I need the answers fast !!! this test is due today at 11:59
zhenek [66]

Answer:

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Step-by-step explanation:

Those are the locations of the points on the graph. If you look closely, you will see that it counts by twos.

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2 years ago
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Answer:

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Step-by-step explanation:

6 0
3 years ago
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8090 [49]

Answer:

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Step-by-step explanation:


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Step-by-step explanation:

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