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3 years ago

15

Which fraction is equivalent to 4/-9 ? A) -4/9 B) 4/9 C) -4/-9 D) 9/4

2 answers:

jeyben [28]3 years ago

5 0

The answer would be A -4/9

Art [367]3 years ago

4 0

The answer is A hope this helps

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SOMEONE HELP ASAPPPP PLEASEEE,PLEASE EXPLAIN HOW U GOT YOUR ANSWER, I NEED AN EXPLANATION IN ORDER TO COMPLETE THIS! NO LINKS OR

kaheart [24]

Answer:

x = 5

Step-by-step explanation:

4x + 2y + z = 24

2x - 3y - z = 2

5x + y + 2z = 21

-----------------

Eliminate z

Add the 1st and 2nd eqn

4x + 2y + z = 24

2x - 3y - z = 2

----------------

6x - 1y = 26 eqn A

Multiply the 2nd eqn by 2, then add the 3rd.

4x - 6y -2z = 4

5x + y + 2z = 21

----------------

9x - 5y = 25 eqn B

---------------

Now you have 2 eqns in 2 unknowns, not 3.

Multiply eqn A by 5 and subtract eqn B.

30x - 5y = 130 eqn A times 5

9x - 5y = 25 eqn B

-------------

21x = 105

x = 5

4 0

2 years ago

Read 2 more answers

If you solve the equation for ax+by/c=d for x, what would you get?

Xelga [282]

<u>Answer:</u>

x=d/a - by/ac

<u>Steps:</u>

ax+by/c=d

(cax+by)/c=d

cax+by=cd

cax=cd-by

x=(cd-by)/ca

x=cd/ca - by/ca

x=d/a - by/ac

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2 years ago

Solve 3/2^x-4=16 Two step equations

Lerok [7]

the answer is

x = 40/3

4 0

3 years ago

What three numbers have a range of 10 and a mean of 13

serious [3.7K]

16,17,6

16-6 is 10 (range)

16+17+6=39

39/3 is 13. (mean)

7 0

3 years ago

There were 12 people on jury there were 4 more men than women how many men were there

AlekseyPX

Answer:

8 men.

Step-by-step explanation:

12÷3=4.

4 women, 8 men.

8-4=4.

6 0

3 years ago