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torisob [31]
3 years ago
7

Qual o valor que Z assume? -Cz+ 6z = Tz+ 83

Mathematics
1 answer:
o-na [289]3 years ago
3 0

Answer:

\large \boxed{z = \dfrac{83}{6 - C - T}}

Step-by-step explanation:

\begin{array}{rccl}-Cz + 6z & = & Tz + 83 & \\6z -Cz - Tz &= & 83 & \text{Subtracted Tz from each side}\\z(6 - C - T)  & = & 83 & \text{Removed the common factor}\\z& = & \mathbf{\dfrac{83}{6 - C - T}} &\text{Divided each side by 6 - C - T}\\\end{array}\\\\\large \boxed{\mathbf{z = \dfrac{83}{6 - C - T}}}

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Grace earns $12 per hour. Phillip's earnings can be represented by the equation y = 10x where x is the number of hours worked an
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Answer:

Grace earns more. Her equation would be y = 12x, while Phillip's equation is y = 10x. Grace earns $2 more per hour.

Step-by-step explanation:

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You earned the following scores on four english tests: 96, 88, 74, and 76. The greatest score you can earn on a test is 100. Is
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No

Step-by-step explanation:

96+88+74+76=334/4=83.5

96+88+74+76+100=434/5=86.8

The average can't be higher than a 91%

5 0
3 years ago
the area of a rectangular barn is 96 square feet. its length is 4 feet longer than the width. find the length and width of the b
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Step-by-step explanation:

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How many times larger is 4.5 x 105 than 1.8 x 10%?<br> A. 2.5<br> B. 270<br> C. 250<br> D. 50
Masja [62]

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Step-by-step explanation:

3 0
3 years ago
Factor the polynomial completely. Use synthetic division. <br><br> F(x) = x^3-7x-6
aleksklad [387]

Answer:

The factors of given polynomial    x =-1 , -2 and x =3

Step-by-step explanation:

<u><em>Step(i):</em></u>-

Given the polynomial  

                    f(x) =  x³ - 7x -6

 put x =-1

               f(-1) = (-1 )³- 7(-1) - 6 = -1+7-6=0

(x+1) is a one factor

By using synthetic division

                   x³    x²      x      constant

     x=-1  ↓   1      0      -7        -6

             <u>↓   0     -1      1          6</u>

            <u>       1       -1      -6       0     </u>

<u />

<em>The polynomial    x² - x - 6 </em>

<u><em>Step(ii):-</em></u>

The factors ( x+1)(x² - x - 6 ) = 0

     x = -1 and x² - x - 6 =0

    x =-1    and  x² - 3x + 2 x - 6 =0

   x =-1     and  x (x -3) + 2( x-3) =0

   x =-1     and  (x+2)(x-3) =0

<u><em>Final answer:-</em></u>

The factors of given polynomial    x =-1 , -2 and x =3

6 0
3 years ago
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