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3 years ago

Which expression is equivalent to 5(6x + 3y) ?

Mathematics

2 answers:

Shkiper50 [21]3 years ago

7 0

Answer:

Pretty sure it's C. 30x+3y

dolphi86 [110]3 years ago

6 0

Answer:

D. 30x + 15y

Step-by-step explanation:

Simplify the starting equation first to make it easier to find an equation that is equivalent.

Distribute the 5

5 (6x + 3y)

30x +15y

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Please help me with this math question

natta225 [31]

ANSWER

$x = 54\degree$

EXPLANATION

The diameter meets the tangent to the circle at right angles.

The sum of interior angles of a triangle is 180°.

This implies that

$x + 36 \degree + 90 \degree = 180 \degree$

Group the constant terms

$x = 180 \degree - 36 \degree - 90 \degree$

We simplify to obtain,

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How do I start this problem? I don't need help with the graphing part.

tamaranim1 [39]

Answer:

x = 6 , y = 0 (x , y) = (6 , 0)

x = 12, y = 3 (x , y) = (12 , 3)

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Step-by-step explanation:

Simply plug in a x, and find a y that would make the equation true:

When x = 6:

6 - 2y = 6

6 (-6) - 2y = 6 (-6)

-2y = 0

(-2y)/-2 = (0)/-2

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When x = 6, y = 0 (x , y) = (6 , 0)

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12 - 2y = 6

12 (-12) -2y = 6 (-12)

-2y = -6

(-2y)/-2 = (-6)/-2

y = 3

When x = 12, y = 3 (x , y) = (12 , 3)

When x = 24:

24 - 2y = 6

24 (-24) - 2y = 6 (-24)

-2y = -18

(-2y)/-2 = (-18)/-2

y = 9

When x = 24, y = 9 (x , y) = (24 , 9)

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Answer:

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