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3 years ago

Trying to find the missing segment to the triangle in the attached image.

Mathematics

1 answer:

kupik [55]3 years ago

3 0

Answer:

Step-by-step explanation:

The Side Splitter Theorem says that if a line intersects two sides of a triangle and is parallel to the third side of the triangle, it divides those two sides proportionally. Therefore:

6/15 = 10/?

6*? = 10*15

? = 10*15/6

? = 25

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3 years ago

Which of the following lines is perpendicular to the equation y= -2x+8

Varvara68 [4.7K]

Answer:

Step-by-step explanation:iii

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3 years ago

Need help with this problem.

drek231 [11]

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1 year ago

Paul was asked to use the elmination to find the solution to the system of linear equations

lbvjy [14]

Option B is correct.

Step-by-step explanation:

Paul was asked to use the elmination to find the solution to the system of linear equations

$5x + 4y = 1\\-2x-8y = -26$

What are the missing steps in his work below?

$Let\\5x + 4y = 1\,\,eq(1)\\-2x-8y = -26\,\,eq(2)\\10x + 8y = 2 + (-2x-8y = -26) \\8x + 0y = -24 \\8x = -24 \\x = -3 \\Putting\,\,value\,\,of\,\,x\,\,in\,\,eq(1)\\5x + 4y = 1 \\5(-3) + 4y = 1\\-15 + 4y = 1 \\4y = 16\\y=4$

So, the step missing is multiplying equation 1 by 2 i.e

$2\times [5x + 4y = 1] \\10x + 8y = 2$

So, Option B is correct.

Keywords: System of equations

Learn more about system of equations at:

#learnwithBrainly

7 0

3 years ago

CD is the segment bisector of AB at D. If AD = 4x-1 and DB = 9x-21. what is the length of AD and AB

Artemon [7]

Answer:

AD= 15

AB=30

Step-by-step explanation:

We are given that the Point D bisect the line segment AB

Hence AD = DB

AD= 4x-1

BD=9x-21

Hence

4x-1=9x-21

adding 21 on both sides and subtracting 4x from both sides

4x-4x-1+21=9x-4x-21+21

-1+21=5x

5x=20

dividing both sides by x we get

x=4

Hence

AD = 4x-1

= 4(4)-1= 16-1=15

AD= 15

AB = 2 x AD

= 2 x 15

= 30

3 0

3 years ago