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ANTONII [103]
3 years ago
13

7x +4 (-4 x+7 ) =118

Mathematics
1 answer:
anzhelika [568]3 years ago
4 0

First, you would do the parentheses which is multiply 4 to -4x to 7 which leave you with the equation 7x-16+28=118. Then you combine the like terms which gives you 7x+12=118. After that you subtract the number 12 to 118 which the next you divide so the answer is 15.14285714285714 and so on which can be simplified to 15.14 or 15.1

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Step-by-step explanation:

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What is a number t divided by 82 in an algebraic expression?
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Hey there, Lets solve this step by step. 

<span>A number t divided by 82 
</span>
Let the number be represented by y. 

<span>t divided by 82 = t / 8 
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Therefore- 

y= t/82 

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

y = a(x - h)² + k <em>where "a" is the leading coefficient and (h, k) is the vertex</em>

Since we don't know "a", we need to plug in the point (x, y) and the vertex (h, k) to solve for "a":  (x, y) = (0, 9) and (h, k) = (-2, 5)

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<u>-5 </u>   <u>          -5 </u>

4  =  a(4)

<u>÷4 </u>   <u> ÷4   </u>

 1 = a

Next, plug in "a" and the vertex (h, k):

y = a(x - h)² + k

y = 1(x +2)² + 5

y = (x +2)² + 5


6 0
4 years ago
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