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Y_Kistochka [10]
3 years ago
11

(-13, 3) (5, 12) (-13, 0) Is this relation a function?

Mathematics
1 answer:
Natasha2012 [34]3 years ago
6 0

Answer:

No.

Step-by-step explanation:

No because it is a one-to-many relation .

-13 maps to 3 and to 0.

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If 7 less than 4 times a number is two more than that number, what is the result when the number is subtracted from 50?
Tasya [4]

Answer:

4x-7=x+2

3x=9

x=3

3-50=-47

Step-by-step explanation:

8 0
3 years ago
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42. Use the Quadratic Equation to find the Roots of x2 + 3x - 3=0
almond37 [142]

Answer:

Step-by-step explanation:

The coefficients of the x terms are {1, 3, -3}, so the discriminant, b^2 - 4ac, is 3^2 - 4(1)(-3), or 9 + 12, or 21.  The positive nature of the discriminant tells us that there are two real, unequal roots.  Following the quadratic formula, we get:

       -3 ± √21

x = -----------------

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8 0
3 years ago
It's a PEMDAS question
monitta

[3 * (2 + 4)] - 4

  • Solve inside the brackets first.
  • Solve the parentheses inside the brackets, (2 + 4).

[3 * (6)] - 4

  • Now solve 3 * 6.

18 - 4

  • 18 - 4 = 14, so your answer is:
<h3>14</h3>
4 0
3 years ago
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What type of number is v5?
scoundrel [369]
The square root 5 is irrational because a square root of a positive number is either an integer or irrational number. Therefore it is irrational.
7 0
3 years ago
Determine the intercepts of the line. y = 5 x − 1 3 y=5x−13
sweet-ann [11.9K]
Y-intercept = -13
x-intercept = 2.6 or 2 3/5
-13 is the y-intercept. In the equation, y=mx+b, b is the y-intercept. Looking at the equation, y=5x-13, we can see that -13 is in the place of b, therefore -13 is the y-intercept.
() is the x-intercept. To find the x-intercept, you need to replace values into the equation. Since the coordinates for the x-intercept consist of y being 0, you must replace y in the equation. with 0.
0=5x-13
Get rid of the -13 by adding it onto both sides. -13 is negative and the opposite of a negative is positive, thus making you add to get rid of -13.
0=5x-13
+13 +13
13=5x
Now you divide 5 from both sides to get rid of 5. The opposite of multiplication is division, so you must divide the 5 from 5x to isolate the x.
13/5=5x/5
2.6 or 2 3/5=x
Therefore the coordinates (2.6,0) represent the x-intercept, or just 2.6.

I hope this helped.
6 0
3 years ago
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