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Oksanka [162]
3 years ago
12

Please help! combine like terms to create an equip expression 0.4m - 0.8 - 0.8m

Mathematics
1 answer:
soldi70 [24.7K]3 years ago
4 0

Answer:

1.2-0.8

Step-by-step explanation:

Add 0.4 and 0.8

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Someone please help me with this! Is this a independent or dependent? Explain why.
irga5000 [103]

Answer:

  independent

Step-by-step explanation:

Dependent equations graph as the <em>same line</em>. These lines are not the same, so the equations are independent.

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However, the lines are parallel, so the equations are also <em>inconsistent</em>. There is <em>no solution</em> to this system of equations.

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3 years ago
The graph represents the approximate number of bacteria in a population over time. Is the rate of change constant or varying? Ho
alisha [4.7K]

Answer:

Varying

Step-by-step explanation:

The reason why the rate of change is varying is because the dots on the graph do not connect to make a straight line when you draw a line through the dots. When the dots connect via a straight line, it is also known as a proportional relation. A straight line would be a constant change.

8 0
2 years ago
In cirle O, OE = 12, what is the length of the circle's radius<br><br>​
iren2701 [21]

Answer:

24?

Step-by-step explanation:

I'm not very good at math and I'm sorry if I'm wrong.

8 0
3 years ago
The tables show the number of plants and the number of flowers. Which table represents a proportional relationship?
Usimov [2.4K]


 the last one because 7*3=21 14*3=42 and 21*3=63
4 0
3 years ago
I dentist the slope and a point on the line
Anika [276]

Answer:

2/3 (0,-3) is one possible answer.

Step-by-step explanation:

y  -1 = 2/3(x-6)  We want to get this into the slope intercept form of a line.  We want it to be in the form y = mx + b.  Let's clear the fraction first by multiplying the whole equation through by 3.

3(y - 1) = 3[2/3(x - 6)]

3y -3 = 2(x -6)

3y - 3 = 2x -12

3y = 2x - 9  Now divide all the way through by 3 to get

y = 2/3x - 3  

y = mx + b.  The m part is the slope.  In this equation the slope is 2/3

There are in infinite amount of points on a line.  I do not know if they give you a picture or if you are just to create your own.  I am going to create a point that have x = 0.  I get to pick the point.  I could pick any number.  0 is just usually really easy.  So, if I substitute 0 for x I will get:

y = 2/3(0) - 3

y = 1  so my point is (0,-3)

Now that I think about it, I do not think that I would start out clearing the fraction even though it works.  I think that I would do it like this"

y - 1 = 2/3(x - 6)  Distribute the 2/3 through (x - 4) to get

y-1 = 2/3x -4  I can make -6 a fraction by putting it over 1.  Now we have 2/3(-6/1)  multiply across to get  -12/3.  A positive times a negative is a negative.  -12 divided by 3 is -4.

y - 1 = 2/3x -4   now add 1 to both sides.

y = 2/3x -3

6 0
2 years ago
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