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forsale [732]
2 years ago
9

Evaluate 7x + 3y when x = 2 and y = 4​

Mathematics
2 answers:
Lady_Fox [76]2 years ago
6 0

Answer:

..............=7(2)+3(4)

=14+12=26.................

Liono4ka [1.6K]2 years ago
6 0
<h2>Step-by-step explanation:</h2><h2><em>=</em><em>></em><em> </em><em>7</em><em>x</em><em>+</em><em>3</em><em>y</em></h2><h2><em>=</em><em>></em><em> </em><em>7</em><em>(</em><em>2</em><em>)</em><em>+</em><em>3</em><em>(</em><em>4</em><em>)</em></h2><h2><em>=</em><em>></em><em> </em><em>1</em><em>4</em><em> </em><em>+</em><em>1</em><em>2</em></h2><h2><em>=</em><em>></em><em> </em><em>2</em><em>6</em></h2>
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Identify the restrictions on the variable <br><br><br><br><br><br><br><br>​
34kurt

Answer:

x ≠ -4

Step-by-step explanation:

Division by zero is not defined, so x cannot = -4.

8 0
3 years ago
The regular price of a television set is $1,200. Albert buys the television set at a discount of 35% . How much does he pay for
ololo11 [35]

He pays $780 for the television set.

1200*.35=420

1200-420=780

5 0
3 years ago
I have no idea what im doing
omeli [17]

Answer:

  • x = - 6

Step-by-step explanation:

A hole is an input value that makes both numerator and denominator equal to zero.

<u>Let's factorize the numerator and denominator:</u>

  • 3x² - 108 = 3(x² - 36) = 3(x + 6)(x - 6)
  • x² + 2x - 24 = x² + 6x - 4x - 24 = x(x + 6) - 4(x + 6) = (x - 4)(x + 6)

<u>We have same factor of x + 6:</u>

  • x + 6 = 0
  • x = - 6 is a hole
8 0
2 years ago
Which of the following shows all of the factor pairs of 28?
kow [346]

The factor pairs of a number when multiplied give the original number.

Therefore, all the factor pairs of 28 are:

\begin{gathered} 1\times28; \\ 2\times14; \\ 4\times7 \end{gathered}

The correct choice is the first one

4 0
1 year ago
Steps for solving 3x+18=54 are shown explain how step 1 helps solve the equation
Dennis_Churaev [7]

Answer:

The answer is x=12.

Step-by-step explanation:

First, to solve this equation you need to isolate the x variable. To isolate the variable, you must, subtract the other term from both sides. Subtracting 18 from both sides, you are left with 3x = 36. Since 3 times x = 36, dividing both sides by 3 gets you, x=12.

4 0
3 years ago
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