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Marizza181 [45]
3 years ago
11

Lucas has a 15 ft ladder that he placed against a wall.

Mathematics
1 answer:
aksik [14]3 years ago
8 0

Answer:

The ladder will go 6 feet up.

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Help could you explain step by step?
mel-nik [20]

Answer:

x = 2 , y = 11

Step-by-step explanation:

the diagonals of a parallelogram bisect each other , then

PT = TR , that is

y = 5x + 1 → (1)

QT = TS , that is

2y = 6x + 10 → (2)

substitute y = 5x + 1 into (2)

2(5x + 1) = 6x + 10

10x + 2 = 6x + 10 ( subtract 6x from both sides )

4x + 2 = 10 ( subtract 2 from both sides )

4x = 8 ( divide both sides by 4 )

x = 2

substitute x = 2 into either of the 2 equations for corresponding value of y

substituting into (1)

y = 5(2) + 1 = 10 + 1 = 11

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1 year ago
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the answer is 39 because you need to divide.

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SCORPION-xisa [38]

Step-by-step explanation:

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x = 8sin60° = 6.928 or sqrt48.

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Y= 9x -9 y= 9 substitution method
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You would plug in the y=9 into the first equation and then have the expression 9=9x-9
. After going through the first steps of solving an expression you would get 18=9x. X=2. Then you would plug in the x value into the first expression to get y=9.
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Given f(x)=2x-8, find f(3)
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F(3)=2*3-8=-2. 
Hope that helps. 
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