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Anika [276]
4 years ago
8

PLEASE HELP ASAP!!!!

Mathematics
1 answer:
Paul [167]4 years ago
6 0

Answer:

the answers are <u>B and D </u>

Step-by-step explanation:

please let me know if I am wrong

I found about the answers by determine bias questions from non bias questions.

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Choose the correct set up to solve for x
Dmitry [639]

Answer:

I think c

but I am not sure

3 0
3 years ago
9x-y=5<br> 7x-6y=5<br> Solve the system by the substitution method
qwelly [4]
  9x - y = 5
7x - 6y = 5

Solve both equations for one variable. I'll solve for y.

9x - y = 5            Subtract 9x from both sides
      -y = -9x + 5   Divide both sides by -1
       y = 9x - 5

7x - 6y = 5   Subtract 7x from both sides
      -6y = -7x + 5   Divide both sides by -6
          y = \frac{7}{6}x - \frac{5}{6}

Since both equations equal y, you can set them equal to each other and solve for x.

9x - 5 =<span> \frac{7}{6}x - \frac{5}{6}   Multiply both sides by 6 to eliminate the fractions
54x - 30 = 7x - 5    Subtract 7x from both sides
47x - 30 = -5          Add 30 to both sides
       47x = 25          Divide both sides by 47
           x = </span>\frac{25}{47}

Now, plug that x-value into the x of either equation. I'll plug it into 9x - y = 5.

9x - y = 5   Plug in the x-value
9(<span>\frac{25}{47}) - y = 5   Multiply
</span>\frac{225}{47} - y = 5   Subtract <span>\frac{225}{47} from both sides
</span>-y = <span>0.21276595744 (I had to convert it to a decimal)   Divide both sides by -1
 y = -</span><span>0.21276595744

So, the answer to the system is (</span>0.53191489361, -<span>0.21276595744)</span>
8 0
4 years ago
Is the following relation a function?<br> Yes<br> No
svetlana [45]

Answer:

Yes

Step-by-step explanation:

Because each value of x gives one and only one value of y

conversely, if each value of x gives more than one value for y, then it is not a function.

3 0
3 years ago
Write an expression to represent:Nine less than the quotient of two and a number xxx.
Illusion [34]

Answer:

2/x - 9

Step-by-step explanation:

Hi there!

"9 less than" means we'll be subtracting 9 from our expression

"the quotient of 2 and a number x" means we'll be dividing 2 and x:

2/x - 9

I hope this helps!

3 0
3 years ago
100 POINTS PLEASE HELP ASAP!!!!!
Darya [45]
The answer to your question is going to be 4+9=6a
8 0
2 years ago
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