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Blizzard [7]
2 years ago
7

What is the rate of change of the linear equation 3.9x + y = 15.21?

Mathematics
1 answer:
fenix001 [56]2 years ago
7 0
C because it is the value of M (slope)
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What is y – 3 = 7 (x – 5) in standard form?
yuradex [85]

Answer:

38=7x-y

Step-by-step explanation:

standard form= Ax+By+C

(y-3=7(x-5))

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(y+38=7x) -y to both sides

38=7x-y

you have to move the 38 and y because if you moved the x value, than A becomes negative and it can't be in standard form

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Use substitution to solve the system of equations.. PLEASE ANSWER AND EXPLAIN..asap
Leya [2.2K]

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faltersainse [42]

Answer:

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Step-by-step explanation:

According to solve for the length of x, we need to use SOH CAH TOA.

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Cosine: Adjacent over Hypotenuse

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The question asks us to round to the nearest <em>tenth</em>.

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