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xxTIMURxx [149]
3 years ago
7

PLEASE HELP!!!!!!!!!!!!!!

Mathematics
1 answer:
lesya692 [45]3 years ago
5 0

Answer:

I would say 85, since 85 would be the median of the three points or 8 hours of studying. I hope this helps! :)

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a store sells tiles for $3.80 per square feet and an additional fee is $200 to install it what is the independent and dependent
CaHeK987 [17]

Answer:

i tkinhk it 1.30

Step-by-step explanation:

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3 years ago
Solve the equation when x=40. This will show the ball’s height, in feet, when it reaches the goal post. Y=-0.1x^2+4x
maks197457 [2]

Answer:

0

Step-by-step explanation:

-0.1(40)^2+4(40)

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6 0
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I need help simplifying 38/2 please help
Wittaler [7]

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19

Step-by-step explanation:

38/2  =19

8 0
3 years ago
What is the solution of the system defined by y= -x+5 and 5x + 2y = 14?
telo118 [61]
          y = -x + 5
5x + 2y = 14

     5x + 2(-x + 5) = 14
5x + 2(-x) + 2(5) = 14
       5x - 2x + 10 = 14
              3x + 10 = 14
                    - 10  - 10
                      3x = 4
                       3     3
                        x = 1¹/₃
      y = -x + 5
      y = -1¹/₃ + 5
      y = 3²/₃
(x, y) = (-1¹/₂, 3²/₃)
5 0
4 years ago
Find the coordinates of point Q that lies along the directed line segment from R(-2, 4) to S(18, -6) and partitions the segment
Varvara68 [4.7K]
Check the picture below

thus then

\bf \qquad \textit{internal division of a line segment}\\\\
R(-2,4)\qquad S(18,-6)\qquad
ratio1=3\qquad ratio2=7\qquad 3:7\\ \quad \\ \quad \\
\cfrac{RQ}{QS}=\cfrac{ratio1}{ratio2}\implies \cfrac{R}{S}=\cfrac{3}{7}
\implies 7R=3S
\\\\\\
7(-2,4)=3(18,-6)

\bf {{ Q=\left(\cfrac{\textit{sum of "x" values}}{ratio1+ratio2}\quad ,\quad \cfrac{\textit{sum of "y" values}}{ratio1+ratio2}\right)}}\\ \quad \\
\qquad thus\qquad \\ \quad \\
Q=\left(\cfrac{(7\cdot -2)+(3\cdot 18)}{3+7}\quad ,\quad \cfrac{(7\cdot 4)+(3\cdot -6)}{3+7}\right)

8 0
3 years ago
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