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2 years ago

Eric bought a personal CD player for $12 less than the regular price.if he paid $54 what was the regular price

Mathematics

1 answer:

PIT_PIT [208]2 years ago

7 0

Answer:

$66

Step-by-step explanation:

66 - 12 = 54

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2 years ago

^ { (5x ^ { 3 } -7x ^ { 2 } +3x-4)-(8x ^ { 3 } +2x ^ { 2 } +3x-7) }

Tomtit [17]

Answer:

$-3x^{3} -9x^2+3$

Step-by-step explanation:

Given

$(5x^{3} -7x^{2} +3x-4)-(8x ^ { 3 } +2x ^ { 2 } +3x-7) }$

Required

Simplify

$(5x^{3} -7x^{2} +3x-4)-(8x ^ { 3 } +2x ^ { 2 } +3x-7) }$

Open brackets

$5x^{3} -7x^{2} +3x-4-8x^3 -2x^2 -3x+7$

Collect Like Terms

$-8x^3+5x^{3} -7x^{2} -2x^2+3x -3x-4+7$

Simplify like terms

$-3x^{3} -9x^2+3$

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2 years ago

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vova2212 [387]

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Step-by-step explanation:

When a point is rotated through 180° about the origin clockwise/anticlockwise, the coordinates of the object point T (h,k) takes a new position (-h,-k) to form the image T'. A line joining an object point to its image point will pass through the origin that is the center of rotation.

Learn More

Rotation about the origin through 180°: brainly.com/question/7747099

Keywords : Rotate, origin,graph, triangle

#LearnwithBrainly

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3 years ago

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nikdorinn [45]

Answer:

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Step-by-step explanation:

4w=2/3

1/4(4w)=1/4 x 2/3

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3 years ago

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Answer:

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2 years ago