Explain how System 1 becomes equivalent to System 2. System 1:

Ax + By = C

Lx + My = N

System 2:

Ax + By = C

(A − L)x + (B − M)y = C − N

The first equation in System 1 is the sum of the equations in System 2. The second equation in System 2 is the first equation in System 2.

The first equation in System 1 is the difference of the equations in System 2. The second equation in System 1 is the first equation in System 2.

The second equation in System 2 is the sum of the equations in System 1. The first equation in System 2 is the first equation in System 1.

The second equation in System 2 is the difference of the equations in System 1. The first equation in System 2 is the first equation in System 1.

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

6,250

step-by-step explanation:

to get the area, multiply 360 by 160.(57,600)

to find out how many bags of fertilizer it will take, first figure out how many square feet one bag can hold. divide 1000 by 8(125) to get the unit rate(how many square feet one pound of fertilizer can hold)and multiply it by 50(6250). if i haven't made a mistake, that is the answer.

34.5 cm

step-by-step explanation:

generally for a circular segment of angle, θ° and radius r

arc length

= (θ/360) x circumference

= (θ/360) x 2πr

in our case, θ = 60°, π=3.142 and r = 33 cm

substitute into above formula

arc length

= (60/360) x 2(3.142)( 33) = 34.5 cm

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step-by-step explanation:

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