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trapecia [35]
2 years ago
6

You solve a system of two linear equations by substitution. Your work results in a third equation, which leads you to conclude t

hat the system has infinitely many solutions. Which of the following could be the third equation? 6=9 4y−2=6 5x+3=2 2=2
Mathematics
1 answer:
Amiraneli [1.4K]2 years ago
4 0

Step-by-step explanation:

Here, in step format, is how to solve a system with three equations and three variables:

Pick any two pairs of equations from the system.

Eliminate the same variable from each pair using the Addition/Subtraction method.

Solve the system of the two new equations using the Addition/Subtraction method.

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3 years ago
A farmer is tracking the number of soybeans his land is yielding each year. He finds that the function f(x) = −x2 + 20x + 100 mo
labwork [276]

Answer:

The farmer should expect to LOSE 10 pounds of soybeans per acre per year

Step-by-step explanation:

f(x)=-x^2 + 20x + 100

just find how many soybeans his land will yield (per acre) after 10 and 20 years:

After 10: 200 pounds of soybeans/acre

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Because 10 years have passed and they lost 100 pounds of soybean production per acre, the farmer should expect to lose 10 pounds of soybeans per acre per year (-10 pounds of soybeans per acre/year)

3 0
3 years ago
Please answer! will give 5 stars, brainliest (if two people answer.), 20 pts, and thanks.
Charra [1.4K]

Answer:

66

Step-by-step explanation:

Angle 2 and 4 are supplementary, so if angle 4 is 123, then 180-123=57.

So angle 2 is 57.

Then, if angle 2 and 3 are 57 and we know that all angles of a triangle have to add up to 180, then:

                             57+57+angle 1=180

                                114+ angle 1=180

                                        angle 1= 66

3 0
2 years ago
Find the volume of the pyramid with a square base, where the area of the base is 16.3ft and the height of the pyramid is 13.7ft
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Answer:

oooooogg

Step-by-step explanation:

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