3 years ago

What are lines that intersect from right angles

1 answer:

3 0

Answer:

Two lines that intersect and form right angles are called perpendicular lines. The symbol ⊥ is used to denote perpendicular lines.

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^ { (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

Tell whether the equation has one, zero, or infinitely many solutions.2(x − 3) + 4 = 1x − 5.

tankabanditka [31]

Answer:one solution

Step-by-step explanation:

x=-3, TeR

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2 years ago

The function f(x) = –0.3(x – 5)2 + 5 is graphed. What are some of its key features? Check all that apply. The axis of symmetry i

kompoz [17]

Answer:

The answer is option 1 , 2 and 3 or A , B and C

Step-by-step explanation:

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2 years ago

David drove the first six hours of his journey at 65 km/ hour and the last 3 hours of his journey at 80 km/hour how far is the w

zzz [600]

630 kilometers for the whole journey

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3 years ago

Read 2 more answers

What is the length of D.<br> 8ft

KengaRu [80]

Answer:

96 inches

Step-by-step explanation:

8 ft is 8(12) inches, which is 96 inches

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2 years ago