3 years ago

Can someone help me please!!!

Mathematics

2 answers:

OlgaM077 [116]3 years ago

8 0

Answer:

I believe that number 2 is B and number 3 is D

denis-greek [22]3 years ago

3 0

Answer:

for question 2; it's B

for question 3; it's D

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3 years ago

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3 years ago

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3 years ago

Isolating a variable in two equations is easiest when one of them has a coefficient 1.

Tomtit [17]

Answer:

Option C.

Step-by-step explanation:

The given equations are

$3A-B=5$

$2A+3B=-4$

We need isolate one of the variables, such that it appears by itself on one side of the equation.

Isolating a variable in two equations is easiest when one of them has a coefficient 1.

In equation 1, coefficient of B is 1. So, we can easily isolate one of the variables.

The equation is

$3A-B=5$

Subtract 3A from both sides.

$-B=5-3A$

Multiply both sides by -1.

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Therefore, the correct option is C.

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3 years ago

PLEASE HELP ASAP!!<br> means a lot!!

egoroff_w [7]

The correct answer is:
$B) \: y + 1 = \frac{4}{3} (x - 9)$

6 0

3 years ago