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Alexxandr [17]
2 years ago
13

the lines below are perpendicular. if the slope of the green lines is 2/3 what is the slope of the red line

Mathematics
1 answer:
wariber [46]2 years ago
4 0
If two lines are perpendicular then they have slopes that are negative reciporacols of eachother.

If m_1=\frac{2}{3} then m_2=-\frac{3}{2}
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Line segment JM has endpoints with coordinates -2 and 14 on a number line. Points K and L are on segment JM. K has a coordinate
geniusboy [140]

Answer:B

Step-by-step explanation:

6 0
3 years ago
Solve this equation 1 = 1 - 2n + 8
dolphi86 [110]
<h3>Answer:</h3>

n=4

<h3>Explanation:</h3>

1 = 1 - 2n + 8

2n =  - 1  + 1 + 8

2n = 8

n = 4

I hope you are satisfied

5 0
3 years ago
The figure shows the layout of a symmetrical pool in a water park. What is the area of this pool rounded to the tens place? Use
k0ka [10]

Answer:

2489ft^{2}

Step-by-step explanation:

The pool are is divided into 4 separated shapes: 2 circular sections and 2 isosceles triangles. Basically, to calculate the whole area, we need to find the area of each section. Due to its symmetry, both triangles are equal, and both circular sections are also the same, so it would be enough to calculate 1 circular section and 1 triangle, then multiply it by 2.

<h3>Area of each triangle:</h3>

From the figure, we know that <em>b = 20ft </em>and <em>h = 25ft. </em>So, the area would be:

A_{t}=\frac{b.h}{2}=\frac{(20ft)(25ft)}{2}=250ft^{2}

<h3>Area of each circular section:</h3>

From the figure, we know that \alpha =2.21 radians and the radius is R=30ft. So, the are would be calculated with this formula:

A_{cs}=\frac{\pi R^{2}\alpha}{360\°}

Replacing all values:

A_{cs}=\frac{(3.14)(30ft)^{2}(2.21radians)}{6.28radians}

Remember that 360\°=6.28radians

Therefore, A_{cs}=994.5ft^{2}

Now, the total are of the figure is:

A_{total}=2A_{t}+2A{cs}=2(250ft^{2} )+2(994.5ft^{2})\\A_{total}=500ft^{2} + 1989ft^{2}=2489ft^{2}

Therefore the area of the symmetrical pool is 2489ft^{2}

3 0
2 years ago
W is the midpoint of . If UW = x + 23, and WV = 2x + 8, what is WU?
kicyunya [14]
<span>-(x + 23) as WU is the same as UW but negative</span>
6 0
3 years ago
I need help ASAP please
RSB [31]

Answer:

5:10

6 (-2,0)

7 (-5,6)

8 (5,3)

9 No, ab=8 CD=6

Step-by-step explanation:

4 0
2 years ago
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