2 years ago

Solve the system of equations 4x - 5y = –6 and -6x + 7y = 12 by combining the equations

Mathematics

1 answer:

frez [133]2 years ago

4 0

Answer:

(-14, -10)

Step-by-step explanation:

Too much to explain

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If f(x) = –3x – 2, what is f(–5)?

Step2247 [10]

F(x) = -3x - 2
f(-5) = -3(-5) -2 = 15 - 2 = 13

3 0

2 years ago

How to do the problem

trapecia [35]

Step-by-step explanation:

$g(0.5) = 2 \\ \\ h(x) = g(x).f(x) \\ \therefore \: h(2) = g(2).f(2) \\ \therefore \: h(2) = 5 \times 2\\ \therefore \: h(2) = 10\\ \\ \\ j(x) = g(x) - f(x) \\ \therefore \: j(4) = g(4) - f(4) \\ \therefore \: j(4) = 9 - 8\\ \therefore \: j(4) = 1\\ \\ \\$