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PtichkaEL [24]
3 years ago
5

-5.8c+4.2-3.1+1.4c combine like terms to create an equivalent expression

Mathematics
2 answers:
VMariaS [17]3 years ago
4 0
-5.8c + 4.2 - 3.1 + 1.4c = -4.4c +1.1

Hope this helps! Ask me any questions if needed :)
Vikki [24]3 years ago
3 0
<h2>Answer:</h2>

The equivalent expression to the given expression is:

                    -4.4c+1.1

<h2>Step-by-step explanation:</h2>

We are given an algebraic equation in terms of the variable c as follows:

                          -5.8c+4.2-3.1+1.4c

Now, we will first combine the like term i.e. the terms with the same variable term and the constant terms are combined altogether i.e. the expression is given as follows:

        -5.8c+4.2-3.1+1.4c=-5.8c+1.4c+4.2-3.1

On simplifying this expression we get :

                  -5.8c+4.2-3.1+1.4c=-4.4c+1.1

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son4ous [18]
1/2 + 1/4 = 3/4
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3 years ago
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3 years ago
What is -4 2/3 as a decimal with work
Luba_88 [7]

The decimal equivalent is -4.666....

In order to find this, we need to start by just taking the whole number for itself.

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Now we have to handle the fraction version. In order to do that, we need to do the division and turn into a decimal.

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3 years ago
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Natasha2012 [34]

As we know that the standard equation of circle is {\bf{(x-h)^{2}+(y-k)^{2}=r^{2}}} , where <em>r</em> is the radius of circle and centre at <em>(h,k) </em>

Now , as the circle passes through <em>(2,9)</em> so it must satisfy the above equation after putting the values of <em>h</em> and <em>k</em> respectively

{:\implies \quad \sf \{2-(-1)\}^{2}+(9-5)^{2}=r^{2}}

{:\implies \quad \sf (3)^{2}+(4)^{2}=r^{2}}

{:\implies \quad \sf 9+16=r^{2}}

After raising ½ power to both sides , we will get <em>r = +5 , -5</em> , but as radius can never be -<em>ve</em> . So <em>r = +</em><em>5</em><em> </em>

Now , putting values in our standard equation ;

{:\implies \quad \sf \{x-(-1)\}^{2}+(y-5)^{2}=(5)^{2}}

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Refer to the attachment as well !

8 0
2 years ago
What is the equation of a circle whose center is (2,0) and has a radius= 9?
Flauer [41]
The equation of a circle is: (x - h)² + (y - k)² = radius² where (h, k) is the center. Now just plug in your given information and simplify.

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Your equation is:
(x - 2)² + y² = 81
6 0
3 years ago
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