3 years ago

Plsssssssssssss helpppppppp

Mathematics

1 answer:

STatiana [176]3 years ago

5 0

Answer:

the last one

Step-by-step explanation:

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The denominators are not equal.

Step-by-step explanation:

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2 years ago

Find A and B if the graph of Ax + By = 12 passes through (2,1) and is parallel to the graph of 2x - 7y = 3

Ivenika [448]

Answer:

24-21

Step-by-step explanation:

2×12=24 7×3=21 I started from 2×2 towards 2×12 when I got the answer and I started 7×1 towards 7×3

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arsen [322]

Answer:

Step-by-step explanation:

1. (x-10)+67=90 because it's a 90 degree angle

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2 years ago

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raketka [301]

Answer:

Step-by-step explanation:

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2 years ago

F(x)=x^2-x-12, find f(x)=-12<br><br> *problem b

katrin2010 [14]

Plug in -12 for $f(x)$ !

$-12=x^{2}-x-12$

Now get the left side equal to zero so you can factor:

$0=x^{2}-x$

Now you can factor out an $x$ !

$0=x(x-1)$

So for that to equal zero, $x=0$ or $x=1$ !

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3 years ago