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Kipish [7]
2 years ago
10

Writing a linear equations

Mathematics
1 answer:
Ray Of Light [21]2 years ago
7 0

y = (1/6)x - 3

Step-by-step explanation:

The line goes through (0, -3) and (6, -2) and the slope is given by

m = (y2 - y1)/(x2 - x1)

= (-2 -(-3))/(6 - 0)

= 1/6

so the slope-intercept form of a linear equation is given by

y = mx + b

Using the value of m we just obtained and using the point (0, -3) to find b, we get

(-3) = (1/6)(0) + b ---> b = -3

Therefore, the equation takes the form

y = (1/6)x - 3

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Answer:45?

Step-by-step explanation:

8 0
3 years ago
Find the coordinates of the image of the point A(3, 9) for a dilation with the scale factor of 2/3
Ierofanga [76]

Answer:

A'(2, 6 )

Step-by-step explanation:

Assuming the dilatation is centred at the origin, then multiply each of the coordinates by \frac{2}{3}

A(3, 9 ) → A'( \frac{2}{3} (3), \frac{2}{3} (9) ) → A'(2, 6 )

4 0
2 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=56x%5E%7B2%7D%20%5Csqrt%7Bx%7D%2077" id="TexFormula1" title="56x^{2} \sqrt{x} 77" alt="56x^{2}
ELEN [110]

Answer:

4312  { x }^{ \frac{5}{2} }

Step-by-step explanation:

56*77=4312

x ^{2}  \times   \sqrt{x}  = x ^{2}  \times   {x}^{ \frac{1}{2} }  =  {x}^{ \frac{5}{2} }

3 0
3 years ago
Read 2 more answers
Evaluate the function below for X=3:
Zarrin [17]

Answer:

42

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>

2x³ - x² - 4x + 9

x = 3

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                    2(3)³ - 3² - 4(3) + 9
  2. Exponents:                          2(27) - 9 - 12 + 9
  3. Multiply:                               54 - 9 - 12 + 9
  4. Subtract:                              45 - 12 + 9
  5. Subtract:                              33 + 9
  6. Add:                                     42
6 0
3 years ago
If the diameter of the red marble is 3.0 cm, and by using the formula for volume, what is a good approximation of its volume?
atroni [7]
You can solve for volume using radius or diameter.
Sphere Volume   = <span>  4/3 • <span>π <span>• r³ <span>    =     <span>( <span>π <span>•d³)/6
We're given the diameter so let's use that.
Volume = PI * d^3 / 6
</span></span></span></span></span></span></span>
<span>Volume = 3.14159 * 3.0^3 / 6
</span>
<span>Volume = 3.14159 * 9 / 2

</span><span><span><span><span>Volume = </span>14.137 cubic centimeters
 </span></span></span>

6 0
2 years ago
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