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3 years ago

What does L+W+L+W represent

Mathematics

2 answers:

ch4aika [34]3 years ago

5 0

The Perimeter of a Rectangle.

It's the sum of all its sides.

L + W + L + W or 2(L + W)

GrogVix [38]3 years ago

5 0

It is adding up the angles of a rectangle, so we can conclude that it is the perimeter of a rectangle.

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What is the solution to the system of equations below? y = one-half x minus 4 and y = negative 2 x minus 9 (–2, –5) (–2, –3) (2,

Maurinko [17]

We have been given a system of equations $y=\frac{1}{2}x-4$ and $y=-2x-9$ . We are asked to find the solution of our given system of equations.

To solve our system of equations, we will equate both equations as:

$\frac{1}{2}x-4=-2x-9$

$\frac{1}{2}x-4+4=-2x-9+4$

$\frac{1}{2}x=-2x-5$

$\frac{1}{2}x+2x=-2x+2x-5$

$\frac{1}{2}x+\frac{4}{2}x=-5$

$\frac{1+4}{2}x=-5$

$\frac{5}{2}x=-5$

$\frac{2}{5}\cdot \frac{5}{2}x=-5\cdot \frac{2}{5}$

$x=-2$

Upon substituting $x=-2$ in equation $y=-2x-9$ , we will get:

$y=-2(-2)-9$

$y=4-9$

$y=-5$

Therefore, the solution of our given system of equations would be $(-2,-5)$ and option A is the correct choice.

7 0

3 years ago

Read 2 more answers

From the top of a tree a bird looks down on a field mouse at an angle of depression of 50 degrees if the field mouse is 40 M fro

Zepler [3.9K]

The tangent function gives the ratio of vertical to horizontal distance in this case.
.. vertical distance = (horizontal distance)*tan(angle of depression)
.. = (40 m)*tan(50°)
.. vertical distance ≈ 47.7 m

6 0

4 years ago

A musical charges $ 3.50 for children's tickets and $5.00 for adults tickets. Last night, twice as many adults attended the musi

iogann1982 [59]

Answer: 61 children attended the musical last night.

Step-by-step explanation:

Let x represent the number of children that attended the musical last night.

Let y represent the number of adults that attended the musical last night.

The musical charges $3.50 for children's tickets and $5.00 for adults tickets. If the tickets sales totaled $823.50. It means that

3.5x + 5y = 823.5- - - - - - - - - - 1

Last night, twice as many adults attended the musical than children. It means that

y = 2x

Substituting y = 2x into equation 1, it becomes

3.5x + 5 × 2x = 823.5

3.5x + 10x = 823.5

13.5x = 823.5

x = 823.5/13.5

x = 61

y = 2x = 2 × 61

y = 122

3 0

3 years ago

Question 5 (10 points)

Kamila [148]

You have to subtract 4.35 from 15.60 to see for all the children
3x+4.35 = 15.60

5 0

2 years ago

The graph shown models a linear relation. Use the graph to answer the following questions. The two known points are (0, -3) and

Lady_Fox [76]

9514 1404 393

Answer:

3
-1

Step-by-step explanation:

1. The value can be read from the graph. At 3 units to the right of the vertical axis, the line is 3 units above the horizontal axis. The independent variable has a value of 3 at that point.

2. The dependent variable has a value of -5 at the next grid line just below the bottom of the graph shown. The value of the independent variable is -1 at that point.

5 0

3 years ago