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dmitriy555 [2]
3 years ago
7

Could some one help me with this problem? 13 - 8.1 =

Mathematics
2 answers:
sveta [45]3 years ago
5 0
Yeah so just do 130-81 and stick the decimal point between the tens and ones place. 
Thus, 130 - 81 = 49. It is 4.9

torisob [31]3 years ago
4 0
13 - 8.1 = 4.9, because 13 minus 8.1 if you do the math is 4.9
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I need to be walked through this please.
Aleksandr [31]
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3 years ago
Graph y= x−2.<br> PLZZ HELP
nataly862011 [7]

Explanation: To graph the equation y = x - 2, the idea is simple.

We pick three values for <em>x</em>, plug them into the

equation, and find the corresponding values for <em>y</em>.

In order to do this in an organized way, we set up a chart.

Down the left side we make a column for our x's, down the right side we make a column for our y's, and in the middle we make a column for the side of the equation that contains the <em>x</em>, in this case, x - 2.

So reading the chart from left to right, we have our <em>x</em> or what we plug into the equation, then we have the x - 2 or what happens to the x when we plug it into the equation, and finally we have our <em>y</em> or what we end up with after plugging <em>x</em> into the equation.

So our first step in filling out the chart is choosing

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When graphing lines, I always choose three x's,

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The easiest numbers to pick are usually 1, 0, and -1.

So for 1, we plug a 1 into the equation for <em>x</em>

and we have y = (1) - 2 or -1

For 0 we plug a 0 into the equation for <em>x</em>

and we have y = (0) - 2 or -2.

For -1 we plug a -1 into the equation for <em>x</em>

and we have y = (-1) - 2 or -3.

So our points are (1, -1), (0, -2), and (-1, -3).

I looked at the x and y column to find those points.

Since our domain is all real numbers, we can connect these points based on the pattern that they are forming on the graph which is a line.

5 0
3 years ago
Read 2 more answers
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Ostrovityanka [42]

Answer:

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if the units are centimeter and meter though, then it's

1:2

Step-by-step explanation:

there are 100 cm in 1 meter, so 1cm:2m

is actually 1cm : 200cm

7 0
3 years ago
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mestny [16]

im assuming i just pick two angles cause i cant see the options? two 90 degree angles.

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5 0
3 years ago
Help me please been stuck for an hour
rewona [7]

Answer:

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=  \frac{29}{28}

4 0
3 years ago
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