I need this ASAP!!Which of the following best describes the first step in solving the system below using elimination?
2x - 4y = 9
x+3 = -4y
A. solve the second equation for X
B. rearrange the second equation to read x+4y = -3
C. rearrange the second equation to read x + 4y =
D. add the equations together

Answers

Answer 1

Answer:

Answer:

The answer is: to rearrange the second equation by adding "4y" to both sides and subtract 3 from both sides so it reads: x + 4y = -3

Please notice that two options that you presented read kind of similar (so there may be a typo). Make sure that you select the options you were given that aligns to the answer shown above.

Step-by-step explanation:

In order to solve a system of equations via the elimination method, the first step is to write both equations in standard form. That is, with the terms containing variables on the left, (and alphabetically ordered by they variables), and the pure numerical term on the right hand side of the equal sign.

In our case, since the first equation is already written in standard form, to rearrange the second equation by adding "4y" to both sides and subtract 3 from both sides so it reads: x + 4y = -3

Answer 2

Answer:

Answer:

Step-by-step explanation:

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The number sentence 4 x 6=6x4 is an example of what property?

Answers

The value of the product of the given equation remain the same while the order is reversed

The number sequence 4 × 6 = 6 × 4 is an example of the commutative property of multiplication

Reason:

The given number sentence is 4 × 6 = 6 × 4

Required: The property the number sentence is an example of (represent)

Solution:

The difference between the left and right expression is that the order of the

values being multiplied is changed or reversed (commute)

Therefore, the number sentence states that the value of the multiplication

of two variables remain equal when the places of variables are

interchanged as follows; a × b = b × a

a × b = b × a is an example of commutative property of multiplication

Therefore;

4 × 6 = 6 × 4 is an example of the commutative property of multiplication

Learn more here:

brainly.com/question/9421911

The number sentence 4 x 6=6x4 is part of the commutative property of multiplication. This is because since the equation is reversed, it shows that the results will still be the same.

I think the answer is a but correct me if I'm wrong thanks

Answers

Don't forget the number it's on you put B but good geuss.

The answer is Option B.

115>5.75x+28.75 what is x

Answers

115>5.75x+28.75
5.75x+28.75<115
5.75x<115-28.75
5.75x<86.25
x<86.25/5.75
x<15 or (-∞,15)

Answer: x<15 or (-∞,15)

Right at least three statements showing what you know about the fraction 2/3

Answers

three random facts about 2/3:

it's more than a half: so it counts as a "majority": 2/3 of people are a majority!

2 is called the numerator and 3 is the denominator

in decimal system, it's 0.(6) - 6 is repeated indefinitely

111 2151 which one is a prime number

Answers

Neither of those numbers is a prime number, as both are divisible by 3. It's easy to tell when a number is divisible by three, because all you have to do is add up all the individual numbers that make up the big number, and if THAT number is divisible by 3, then so is the big number.

1 + 1 + 1 = 3

3 is obviously divisible by 3, so no further steps need to be taken here.

2 + 1 + 5 + 1 = 9

9 is also divisible by 3.

Neither of those numbers is prime.
Hope that helped! =)

Prove, Cosec2A + cot2A = cotA