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2 years ago

What is an expression that is equivalent to 6(7x-x)

Mathematics

2 answers:

soldi70 [24.7K]2 years ago

7 0

Answer:

$6(7x - x)$

$= 42x - 6x$

$= 36x$

Step-by-step explanation:

$\blue{ \frak{iuynsm}}$

BigorU [14]2 years ago

3 0

$6(7x-x)= 6(6x) = 36x$

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Are the ratios 2:1 aand 18:9 equivalent

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First bring them to common denominator.

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3 years ago

Please help me<br> Show your work

GrogVix [38]

<u>ANSWER TO PART A</u>

The given triangle has vertices $J(-4,1), K(-4,-2),L(-3,-1)$

The mapping for rotation through $90\degree$ counterclockwise has the mapping

$(x,y)\rightarrow (-y,x)$

Therefore

$J(-4,1)\rightarrow J'(-1,-4)$

$K(-4,-2)\rightarrow K'(2,-4)$

$L(-3,-1)\rightarrow L'(1,-3)$

We plot all this point and connect them with straight lines.

ANSWER TO PART B

For a reflection across the y-axis we negate the x coordinates.

The mapping is

$(x,y)\rightarrow (-x,y)$

Therefore

$J(-4,1)\rightarrow J''(4,1)$

$K(-4,-2)\rightarrow K''(4,-2)$

$L(-3,-1)\rightarrow L''(3,-1)$

We plot all this point and connect them with straight lines.

See graph in attachment

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tangare [24]

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3 years ago

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Masteriza [31]

Answer:

x=8.06

Step-by-step explanation:

find you half base and use PYTHAGORAS THEOREM to find the opposite side (x)