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3 years ago

12

find the coordinates of the vertices of the triangle after a reflection across the parallel lines; first across the line x= -2 a

nd then across the y-axis

1 answer:

Kamila [148]3 years ago

8 0

Answer:

C.

Step-by-step explanation:

that the coordinates of the vertices of the triangle after a reflection across the parallel lines .

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Determine which lines, if any, are parallel? line a: y-4x=6<br> line b: y=5x=8<br> line c: y-4x=4

chubhunter [2.5K]

Answer:

line a and line c are parallel

Step-by-step explanation:

y-4x=6

+4x +4x

y=6+ 4x

-----

y-4x=4

+4x +4x

y=4+4x

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3 years ago

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I am very confused about this

kogti [31]

Answer:

<h2>Area of triangle = 1/2 b×h</h2><h2>1/2×22×7 = 77cm^2</h2>

<h2>Area of parallelogram = b×h</h2><h2>Area = 22×9</h2><h2>= 198cm^2</h2>

<h2>Total area of composite figure</h2><h2>77cm^2 + 198cm^2</h2><h2>= 275cm^2</h2>

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3 years ago

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Suppose a publishing company estimates that its monthly cost is C(x) = 600{x^2} + 300xC(x)=600x 2 +300x and its monthly revenue

Leto [7]

Answer:

the answer is A,

P(x) = -0.4x³+100x²-900x+500

Step-by-step explanation:

monthly cost:

$c(x) = 600x {}^{2} + 300x$

monthly revenue:

$r(x) = - 0.4 {}^{3} + 700x {}^{2} - 600x + 500$

profit function:

$p(x) = r(x) - c(x)$

$p(x) = ( - 0.4x {}^{3} + 700 {x}^{2} - 600x + 500) - (600x {}^{2} + 300x)$

i) remove the first bracket

$p(x) = - 0.4x {}^{3} + 700x {}^{2} - 600x + 500 - (600 {x}^{2} + 300x)$

ii) there is a negative sign, '-' in front of the second bracket. so, change the sign of each term of the expression inside the bracket

$p(x) = - 0.4x {}^{3} + 700 {x}^{2} - 600x + 500 - 600x {}^{2} - 300x$

iii) collect like terms

$p(x) = - 0.4x {}^{3} + 700 {x}^{2} - 600 {x}^{2} - 600x - 300x + 500$

iv) simply the like terms

$p(x) = - 0. 4{x}^{3} + 100 {x}^{2} - 900x + 500$

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3 years ago

Help a chick out only if u know what u doing

Monica [59]

Answer:

for 12:00 1 for 1:00 2

Step-by-step explanation:

this is a pattern where each number multiplies itself by 2 making 12:00 and 1:00 pm 1 and 2

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aivan3 [116]

Answer:

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Step-by-step explanation:

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