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aliya0001 [1]
3 years ago
13

Write an equation for the line described. Give the answer in standard form. through (2,6), m= -5​

Mathematics
1 answer:
LiRa [457]3 years ago
8 0

9514 1404 393

Answer:

  5x +y = 16

Step-by-step explanation:

Given a point and slope, it often works well to start with the point-slope form of the equation for a line:

  y -k = m(x -h) . . . . . . . . line with slope m through point (h, k)

Your point and slope make this ...

  y -6 = -5(x -2)

  y -6 = -5x +10 . . . . . . eliminate parentheses

  5x +y = 16 . . . . . . . . . add 5x+6 to both sides; your standard form equation

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On a standardized exam, the scores are normally distributed with a mean of 165 and astandard deviation of 40. Find the z-score o
vladimir1956 [14]

The Z-score is calculated by the formula below

\begin{gathered} z-score=\frac{(x-\mu)}{\sigma}_{} \\ \mu=\operatorname{mean} \\ \sigma=s\tan dard\text{ deviation} \\ x=\text{score} \end{gathered}

Step 2: Substitute the given parameters in the formula

\begin{gathered} z-\text{score}=\frac{145-165}{40} \\ Z=-\frac{20}{40} \\ Z=-\frac{1}{2} \\ Z=-0.5 \end{gathered}

Hence, the z-score of a person who scored 145 on the exam is -0.5

8 0
2 years ago
C=a+8 the variable A represents the number of events attended, and the variable C represents the total cost. What is the total c
Nitella [24]
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Total cost is $9.
6 0
3 years ago
URGENT <br>Perform the indicated operation and simplify the result.
yan [13]

Answer:

The answer to your question is:  (2a - 1) / 4

Step-by-step explanation:

         \frac{12a^{2} - 3}{2} (2a + 1)^{-2}  ( \frac{6}{(2a +1)^{-1} } \\

        \frac{3(4a^{2} -1)}{2} \frac{1}{(2z + 1)^{2} } (\frac{2a + 1)}{6}

        \frac{3(2a + 1)(2a- 1) (2a + 1)}{12(2a + 1)(2a + 1)}

        \frac{(2a - 1)}{4}

8 0
3 years ago
Solve for X 4x-5=2x+3
Phantasy [73]
I’ve provided both the answer and explanation below! Hope this helps :)

6 0
3 years ago
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The equation shows the relationship between x and y:
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so the slope is the number that comes before the x, so the slope of this equation is -8

So your answer is A
8 0
3 years ago
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