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nata0808 [166]
3 years ago
6

1\ solve the system using elimination. 4x+5y=2 -2x+2y=8

Mathematics
1 answer:
il63 [147K]3 years ago
6 0
The answer would be 6x+3y=2
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A convex hexagon has interior angles with measures x^0, (5x - 103); (2x + 60), (7x - 31), (6x -6), and (9x - 100), what is the v
cestrela7 [59]

Answer:

x = 30.66°

Step-by-step explanation:

The sum of the interior angles of a hexagon is 720°

Each angles are x^0, (5x - 103); (2x + 60), (7x - 31), (6x -6), and (9x - 100),

we add all these angles together

x^0 + (5x - 103) + (2x + 60) + (7x - 31) + (6x -6) + (9x - 100) = 720

x^0  = 1

1 + (5x - 103) + (2x + 60) + (7x - 31) + (6x -6) + (9x - 100)

1 + 5x - 103 +2x + 60 + 7x -31 + 6x - 6 + 9x - 100 = 720

1 - 103 + 60 - 31 - 6 - 100 + 5x + 2x + 7x + 6x + 9x = 720

1 - 180 + 29x = 720

-179 + 29x = 720

29x = 720 + 179 = 889

x = 889/29 = 30.655 ≅ 30.66°

3 0
3 years ago
Araceli's curtain company is making curtains for a local hotel. She wants each curtain to be 48 inches long. At the fabric store
lina2011 [118]

Answer:

168 ft

Step-by-step explanation:

1. Calculate the total length of the curtains

42 curtains × (48 in/1 curtain) = 2016 in

2. Convert to inches to feet

1 in = ¹/₁₂ ft 2016 in × (¹/₁₂ ft/1 in) = (2016/12) ft = 168 ft

Ariceli will need 168 ft of fabric.

6 0
2 years ago
6.) Which trigonometric function is equal to Cos 84°?
lidiya [134]
It's sin 6 .....so b is the answer !
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2 years ago
The measures of the angles of a triangle are 42°, 68°, and 70°. Classify the triangle. right equiangular obtuse acute
cricket20 [7]

Answer:

Scalene acute triangle

Step-by-step explanation:

And acute has less than 90 degrees all of them are less than 90 which makes it acute, scalene

5 0
3 years ago
The pressure of a man sitting on a surface with an area of 24 square meters is 15Pa calculate the force exerted by the man​
pogonyaev

Answer:

help me and i will help you

Step-by-step explanation:

8 0
3 years ago
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