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Semmy [17]
2 years ago
14

What is the slope of the line that passes through the pair of points (-4, 1) , (5, 4)

Mathematics
2 answers:
aleksklad [387]2 years ago
4 0

Answer:

the answer is 5/9

Step-by-step explanation:

erma4kov [3.2K]2 years ago
3 0

Answer:

on slope calculator i got 0.3?

Step-by-step explanation:

sorry if it aint right

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Point A is located at (5, 10) and point B is located at (20, 25).
Alla [95]
Let's say the point is C, so C partitions AB into two pieces, where AC is at a ratio of 3 and CB is at  a ratio of 7, thus 3:7,

\bf \left. \qquad  \right.\textit{internal division of a line segment}
\\\\\\
A(5,10)\qquad B(20,25)\qquad
\qquad 3:7
\\\\\\
\cfrac{AC}{CB} = \cfrac{3}{7}\implies \cfrac{A}{B} = \cfrac{3}{7}\implies 7A=3B\implies 7(5,10)=3(20,25)\\\\
-------------------------------\\\\
{ C=\left(\cfrac{\textit{sum of "x" values}}{\textit{sum of ratios}}\quad ,\quad \cfrac{\textit{sum of "y" values}}{\textit{sum of ratios}}\right)}\\\
-------------------------------

\bf C=\left(\cfrac{(7\cdot 5)+(3\cdot 20)}{3+7}\quad ,\quad \cfrac{(7\cdot 10)+(3\cdot 25)}{3+7}\right)
\\\\\\
C=\left( \cfrac{35+60}{10}~~,~~\cfrac{70+75}{10} \right)\implies C=\left(\cfrac{95}{10}~~,~~\cfrac{145}{10}  \right)
\\\\\\
C=\left( \cfrac{19}{2}~~,~~\cfrac{29}{2} \right)\implies C=\left( 9\frac{1}{2}~~,~~14\frac{1}{2}  \right)
8 0
3 years ago
AB is a diameter of circle C. What is the degree measure of x?
UNO [17]
It’s a right angle. it follows the circle theorem ‘the angle in a semi-circle is 90 degrees’
8 0
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You can walk 112 miles in 12 hour. <br><br> What is your average speed?
pishuonlain [190]
Hi,

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<em>Hope this helps!</em>
8 0
3 years ago
Read 2 more answers
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Answer:

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Step-by-step explanation:

The triangles are similar so we can write a ratio to solve

2         4

---- = -------

x        7

Using cross products

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14 = 4x

14/4 = 4x/4

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2 years ago
Read 2 more answers
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Katarina [22]

Step-by-step explanation:

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7 0
3 years ago
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