3 years ago

Art.

Mathematics

1 answer:

marshall27 [118]3 years ago

8 0

The answer I believe is b idk tho I’m pretty sure

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Use substitution to solve the system of linear equations. In your final answer, include all of your work.

Fantom [35]

Replace 'y' with -3x+4

$x + \frac{1}{3} (-3x+4) = \frac{4}{3} \\ \\ x -x + \frac{4}{3} = \frac{4}{3} \\ \\ \frac{4}{3} = \frac{4}{3}$

The variable 'x' cancels out, leaving the True statement 4/3 = 4/3
This means that the 2 equations are identical regardless of what x and y are.

Answer: System is consistent and dependent, there are an infinite number of solutions.

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2 years ago

A bridge on a river is modeled by the equation h = -0.2d2 + 2.25d, where h is the height and d is the horizontal distance. For c

icang [17]

The answer is 2.2108
Solution:
first equation:
h = -0.2d² + 2.25d-d + 6h = 21.77
2nd equation:-d + 6h = 21.77d = 6h - 21.77
Then substitute:h = -0.2(6h - 21.77)² + 2.25(6h - 21.77)h = 3.9968
Answer:d = 2.2108

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2 years ago

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Sales for a company were 3 million dollars more the second year than the first, and sales for the third year were doubled the sa

RUDIKE [14]

10 million dollars year 1
13 million dollars year 2
26 million dollars year 3

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3 years ago

What is the center of the circle shown below

ivanzaharov [21]

That's the only point within the circle, and it seems like the center. In these questions, just assuming it's perfectly in the center typically works.

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3 years ago

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Assignment due soon! Need help

Natali [406]

Answer: 30°

Step by step explanation:
1) Supplementary angles add up to 180°
2) (2x+10)+(5x-40)=180
3) solve for x
4) x=30

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3 years ago