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k0ka [10]
3 years ago
10

Someone Please Help Me. I don't understand how to do this.

Mathematics
1 answer:
Tamiku [17]3 years ago
8 0
[1] The median to the base passes through the top point (0,b) and the bottom point (0,0) since it is going straight down. The slope formula is
\frac{y_2-y_1}{x_2-x_1}
So, the slope of the median is (b-0)/(0-0) = b/0. Technically, this is undefined, but let's leave it this way for now.

[2] The base passes through the left point (-a,0) and the right point (a,0). Its slope must be (0-0)/(a-(-a)) = 0.

[3] We now check if the slopes are negative reciprocals. Flipping b/0 over and putting a negative sign gives:
b/0 -> - 0/b = 0
So the slopes are negative reciprocals, which means the lines are perpendicular.
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Solve the system by substitution. Check your solution.
zvonat [6]
B. (9,126)

<span>y + 18 = 16x
=>y=16x-18 
0.5x + 0.25y = 36 (multiply both sides by 4)
=>2x+y = 144
Substitute y=16x-8

=>2x+16x-8=144
=>18x=152
=>x=152/18=9 
y=16x-18
=>y=16(9)-18
=>y=144-18=126 
Answer: x=9 and y=126</span>
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74

Step-by-step explanation:

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The answer to your question is:

x = -10; y = 8

Step-by-step explanation:

Solve equations by elimination method                          

                                              2x + 3y = 4    (1)

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Multiply 2 by -2

                                              2x + 3y = 4

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                                                     y = 8

Substitute y in (2)

                                             x + 2(8) = 6

                                            x = 6 - 16

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Step-by-step explanation:

Globalization:

It is a process of expanding your business to the market of whole world.

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Step-by-step explanation:

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