3 years ago

The length of a rectangle is 3x - 5 in and the width is 2x inches what is the area of the rectangle

Mathematics

1 answer:

77julia77 [94]3 years ago

6 0

Answer:

A = L * W

A = (3x-5) * 2x

A = 6x² - 10x

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Y= 1/2x-4 and y= -2x-9 what is the solution of equations

azamat

Answer:

(x,y)=(-2,-5)

Step-by-step explanation:

y=1/2x-4

y=-2x-9

(y=) 1/2x-4=-2x-9

1/2x +2x=-9+4

1/2x +4/2x=-5

5/2x=-5

5x=-5*2

5x=-10

x=-2

y=-2x-9=-2*(-2)-9=4-9=-5

(x,y)=(-2,-5)

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Find the exact value of cos(7\pi /12)

Naya [18.7K]

7π/12 lies in the second quadrant, so we expect cos(7π/12) to be negative.

Recall that

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