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AysviL [449]
3 years ago
7

Send help please help :D

Mathematics
1 answer:
Svetllana [295]3 years ago
5 0

Answer:

A) Slope =

m =  \frac{1}{4} x

explanation:

Take 2 random points off the line, I used (4,1) & (8,2)

The formula to find the slope when given 2 points is

m  =  \frac{rise}{run}  =  \frac{y2 - y1}{x2 - x1}

so in this case x1 & y1 are assigned to (4,1)

  • 4 = x1
  • 1 = y1

and x2 & y2 are assigned to (8,2)

  • 8 = x2
  • 2 = y2

so substitute the numbers into the formula and solve !

m= \frac{y2 - y1}{x2 - x1}  =  \frac{2 - 1}{8 - 4}  =  \frac{1}{4}

this will result in the answer I got above!!

B) yes it does show a constant rate of change cause it's increasing in 1/4x intervals

C) just because you move the placement of a line on the graph doesn't mean it's going to effect the slope as long as the numbers on the axis don't change!!

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Please Help! 20 Points!
iVinArrow [24]
\text {x - coordinate = }  \bigg( 5\dfrac{1}{2}  +  3\dfrac{3}{4} \bigg) \div 2

\text {x - coordinate = }  \bigg( 5\dfrac{2}{4}  +  3\dfrac{3}{4} \bigg) \div 2

\text {x - coordinate = } 8\dfrac{5}{4}   \div 2

\text {x - coordinate = }\dfrac{37}{4}   \times  \dfrac{1}{2}

\text {x - coordinate = }\dfrac{37}{8}

\text {x - coordinate = } 4\dfrac{5}{8}



\text {y - coordinate = } \bigg( -4\dfrac{1}{4} - 1\dfrac{1}{4} \bigg) \div 2

\text {y - coordinate = } -5\dfrac{2}{4} \div 2

\text {y - coordinate = } -\dfrac{22}{4} \times  \dfrac{1}{2}

\text {y - coordinate = } -\dfrac{11}{4}}

\text {y - coordinate = } -2\dfrac{3}{4}}



\text {The coordinate is }\bigg( 4\dfrac{5}{8}, -2\dfrac{3}{4}} \bigg)

6 0
3 years ago
Please answer this question!! 30 points and brainliest!
Alexeev081 [22]

2x(-5x-3)

2x(-5x)= -10x    and 2x(-3)= -6x

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How long does it take annabelle to read 45 pages
earnstyle [38]

Answer:

??? I don't quite understand pls explain better

Step-by-step explanation:

4 0
3 years ago
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matrenka [14]

x≤ 7 is the answer I could find hope it helps

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A 2 pound box of salt sells for $.89 and a 5 pound box sells for 2.09. What is the linear equation for this?
castortr0y [4]
Y = ax + b;

0.89 = a * 2 + b and 2.09 = a * 5 + b =>
=> 2.09 - 0.89 = a * 5 + a * 2 + b - b => 1.20 = 3 * a => a = 1.20 / 3 => a = 0.40;
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4 0
3 years ago
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