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pogonyaev
3 years ago
14

Linear? y = 4xTrueFalse​

Mathematics
1 answer:
victus00 [196]3 years ago
8 0

Answer: True

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

A linear function is of the form: y = mx + b    where

  • m is the slope (rise over run)
  • b is the y-intercept (where the line crosses the y-axis)

The given equation is y = 4x

In this equation, m = 4 and b = 0 so it is a linear function.

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Answer:

\boxed{ \text{B. 10 weeks, \$310 }}\\

Step-by-step explanation:

We have two conditions:

\begin{array}{lrcll}(1) & y & = & 25x + 60 & \\(2) & y & = & 30x + 10 & \\ & 25x + 60 & = & 30 x + 10 & \text {Set (1) = (2)} \\ & 50 & = & 5x & \text{Subtracted 25x from each side} \\& x & = & 10 &\text{Divided each side by 5} \\\end{array}\\$ $\\\boxed{ \textbf{The number of weeks is }x = 10}\\

   

    Bella: y = 25x + 60 = 25(10) + 60 = 250 + 60 = 310  

Heather: y = 30x + 10  = 30(10) +  10 = 300 + 10  = 310

7 0
3 years ago
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Leya [2.2K]

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Answer:

d = 11

Step-by-step explanation:

Isolate the variable (d). Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

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11 is your answer for d.

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