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jok3333 [9.3K]
3 years ago
13

Write the ordered pair that represents yz. Then find the magnitude of yz Y(3,1), Z(0,4)

Mathematics
1 answer:
NikAS [45]3 years ago
5 0

Answer:

(-3, 3),  2\sqrt{2}

Step-by-step explanation:

I'm assuming this is a vector problem. See the graph for the vector from Y to Z (the tail is at point Y, the head is at point Z).

This vector is equivalent to one which is the same length and in the same direction with its tail at the origin.  That vector's head is at (-3, 3) -- the blue one.

To get that, subtract the tail of the original vector from the head of the original vector.

(0, 4) - (3, 1) = (0 - 3, 4 - 1) = (-3, 3)

The magnitude of the blue vector is its length.  Use the Distance Formula.

\sqrt{(x_2 - x_1)^2+(y_2-y_1)^2} \\ \sqrt{(-3-0)^2+(3-0)^2} \\ \sqrt{9+9} \\ \sqrt{18}

This simplifies to 3\sqrt{2}

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What is he slope of y=3x-12
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The equation of the line that you get is:
y = mx + q
Where m is the slope and q is the y-intercept; then the slope of y=3x-12 is 3.
6 0
3 years ago
Iria made a scaled copy of the following triangle. She used a scale factor greater than 1.
Illusion [34]

Answer: 11 units and 23 units

Step-by-step explanation:

5 0
2 years ago
Evaluate the expression when y=-3 <br><br> y^2-7y+6
Kaylis [27]

Answer:

36

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Step-by-step explanation:

<u>Step 1: Define</u>

y² - 7y + 6

y = -3

<u>Step 2: Evaluate</u>

  1. Substitute in <em>y</em>:                    (-3)² - 7(-3) + 6
  2. Exponent:                            9 - 7(-3) + 6
  3. Multiply:                               9 + 21 + 6
  4. Add:                                     30 + 6
  5. Add:                                     36
6 0
3 years ago
The points (10,8) and (4,5) fall on a particular line. What is its equation in point-slope form?
USPshnik [31]

Answer:y=1/2x+3

No Parenthesis or anything.

4 0
2 years ago
Does anyone know what the answer please???!!!!!
nevsk [136]

Answer:

A = -2,3 B= -1,1 C= -4,0

Step-by-step explanation:

On the bottom, you subtract the 5 from the x's which gives you -2, -1, and -4. but for your y's when you add them.

4 0
3 years ago
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