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Snowcat [4.5K]
3 years ago
10

Write an equation, in slope-intercept form of the line through these two points. (2, 9) and (0, 2)

Mathematics
1 answer:
kow [346]3 years ago
4 0

Answer:

y = \frac{7}{2}x + 2

Step-by-step explanation:

m= 2-9/ 0-2 = \frac{-7}{-2} = \frac{7}{2}

y=mx+b              9 = \frac{7}{2} (2) + b

m= \frac{7}{2}                   9 = 7 + b

b = 2                 -7   -7  

                          2 = b

y = \frac{7}{2} x + 2

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Wrote 3/4 as a percentage
vredina [299]

75%

To change any fraction to a percentage, multiply by 100%

\frac{3}{4} × 100% = \frac{3(100)}{4} = 75%


5 0
3 years ago
Read 2 more answers
3×-7 equivalent expressions A. -21 B. 4 C. -4 D. 21
USPshnik [31]

Answer:

-21

Step-by-step explanation:

3x7=21 and a negative x a positive is always negative

6 0
3 years ago
Which of the following facts did you include in your explanation? Check all of the boxes that apply. The value of c could be 5 o
Marianna [84]
Check all of the answers
6 0
3 years ago
As shown at the right, rectangle abcd has vertices c and d on the. V-axis and vertices a and b on the part of the parabola y — 9
Sergio039 [100]

a) The <em>perimeter</em> function of the rectangle is p = 18\cdot x -2\cdot x^{3}.

b) The domain of the <em>perimeter </em>function is x \in [-3, 3].

<h3>How to analysis the perimeter formula of a rectangle inside a parabola</h3>

a) The perimeter of a rectangle (p) is the sum of the lengths of its four sides:

p = AB\cdot AC (1)

If we know that AB = 2\cdot x and AC = 9-x^{2}, then the perimeter of the rectangle is represented by the following formula:

p = 2\cdot x \cdot (9-x^{2})

p = 18\cdot x -2\cdot x^{3}

The <em>perimeter</em> function of the rectangle is p = 18\cdot x -2\cdot x^{3}. \blacksquare

b) The domain of the function is the set of values of x associated to the function. After a quick inspection, we find that the domain of the <em>perimeter </em>function is x \in [-3, 3]. \blacksquare

<h3>Remark</h3>

The statement is incomplete and poorly formatted. The correct form is described below:

<em>As shown at the right, rectangle ABCD has vertices C and D on the x-axis and vertices A and B on the part of the parabola </em>y = 9-x^{2}<em> that is above the x-axis. a) Express the perimeter </em>p<em> of the rectangle as a function of the x-coordinate of A. b) What is the domain of the perimeter function?</em>

To learn more on rectangles, we kindly invite to check this verified question: brainly.com/question/10046743

4 0
2 years ago
The price of a bicycle was reduced from $120 to $90. By what percentage was the price of the bicycle reduced?
Degger [83]

Answer:price of the bicycle was reduced by 25%

Step-by-step explanation:

Step 1

Old Price of bicycle = $120

New Price of  bicycle= $90

Price decrease= $120-$90= $30

Step 2

Percentage decrease = Decrease / Original price x 100

= (30/120)  x 100

1/4 x 100

= 25%

Therefore the percentage decrease in the price is 25%

5 0
3 years ago
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