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vovikov84 [41]
3 years ago
14

Hailey ran a few laps. D(n) models the duration (in seconds) of the time it took for Hailey to run her n lap. When did her lap d

uration increase
Mathematics
1 answer:
alex41 [277]3 years ago
5 0

Answer:

2 hours

Step-by-step explanation:


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What does 7m- m equal
Norma-Jean [14]
7m-m\rightarrow7m-1m=m(7-1)\rightarrow6m

7m-m is equal to 6m.

4 0
1 year ago
NEED THIS ASAPWrite the standard form of the equation of each line given the slope and y-intercept
Mama L [17]

<em>Note:</em>

<em>Your first question is missing the y-intercept, so I am solving the 2nd question. You would still get your concept clear because the procedure to solve each of the questions is the same.</em>

                                            Question 2

Answer:

The equation in the standard form is:

  • 2/3x + y = -4

Please also check the attached graph.

Step-by-step explanation:

We know that the equation in the standard form is

Ax + By = C

where x and y are variables and A, B and C are constants

Given

  • Slope m = -2/3
  • y-intercept = -4

To determine

  • Write the equation in the standard form

We know that the slope-intercept form of the line equation

y = mx+b

where

  • m is the slope
  • b is the y-intercept

In our case:

  • Slope m = -2/3
  • y-intercept = -4

substituting m = -2/3 and y-intercept b = -4 in the slope-intercept of the line equation

y = mx+b

y = -2/3x  + (-4)

y = -2/3x - 4

Writing the equation in the standard form

2/3x + y = -4

Therefore, the equation in the standard form is:

  • 2/3x + y = -4

Please also check the attached graph.

4 0
3 years ago
What is the image of (-4,-2) after a reflecton over the line y= -x
Slav-nsk [51]

The image of (-4, -2) after a reflection over the line y = -x is (2, -4).

<h3>What is a transformation?</h3>

In Mathematics, a transformation can be defined as the movement of a point from its original (initial) position to a final (new) location. This ultimately implies that, when an object is transformed, all of its points would be transformed as well.

<h3>The types of transformation.</h3>

Generally, there are different types of transformation and these include the following:

  1. Reflection
  2. Rotation
  3. Translation
  4. Dilation

<h3>What is a reflection?</h3>

A reflection can be defined as a type of transformation which moves every point of the object by producing a flipped but mirror image of the geometric figure.

In Geometry, a reflection over the y-axis is given by this rule (x, y) → (-x, y). Thus, line y = -x would become:

(-4, 2) → (2, -4).

Read more on transformation here: brainly.com/question/1548871

#SPJ1

7 0
2 years ago
Write an equation of the line that passes through (2,-5) and is parallel to the line 2y = 3x + 10
Diano4ka-milaya [45]

Answer:

y=3x/2 -8

Step-by-step explanation:

2y/2 = 3x/2 + 10/2

y = 3x/2 +5

(y-(-5)) = 3/2 (x-2)

y+5 = 3x/2 - 3

y= 3x/2 - 8

6 0
3 years ago
Przysiady stanowią element zestawu ćwiczeń które Pan Jerzy wykonując codziennie przez tydzień od poniedziałku do niedzieli każde
rosijanka [135]

Answer:

what language ? I wanna learn

Step-by-step explanation:

7 0
2 years ago
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