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ArbitrLikvidat [17]
1 year ago
7

Complete the equation of the line through (3,-8)(3,−8)left parenthesis, 3, comma, minus, 8, right parenthesis and (6,-4)(6,−4)le

ft parenthesis, 6, comma, minus, 4, right parenthesis.
Mathematics
2 answers:
Charra [1.4K]1 year ago
8 0

Answer:

y  = \frac{4}{3}x - 12

Step-by-step explanation:

Given

(x_1,y_1) = (3,-8)

(x_2,y_2) = (6,-4)

Required

Determine the equation

First, we need to determine the slope (m):

m = \frac{y_2 - y_1}{x_2 - x_1}

m = \frac{-4 - (-8)}{6 -3}

m = \frac{-4 +8}{3}

m = \frac{4}{3}

Next, we determine the line equation using:

y - y_1 = m(x - x_1)

Where

m = \frac{4}{3}

(x_1,y_1) = (3,-8)

y - (-8) = \frac{4}{3}(x - 3)

y +8 = \frac{4}{3}(x - 3)

y +8 = \frac{4}{3}x - 4

y  = \frac{4}{3}x - 4 - 8

y  = \frac{4}{3}x - 12

hram777 [196]1 year ago
6 0

Answer:

The answer is y = 4/3x - 12

Step-by-step explanation:

Look at attachment:

Hope this helps! :)

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Mathew got 20 pencils, 3 rulers, 12 erasers,11 pens, 24 notebooks, 8 files, and 11 paper clips from a stationery shop for his br
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2 years ago
The first task of the Segment Two Honors Project is to select the Power Pill study participants’ groups and research board offic
Tatiana [17]

Answer:

Part 1: There are 4.7*10^21 ways to select 40 volunteers in subgroups of 10

Part 2: The research board can be chosen in 32760 ways

Step-by-step explanation:

Part 1:

The number of ways in which we can organized n elements into k groups with size n1, n2,...nk is calculate as:

\frac{ n!}{ n1!*n2!*...*nk! }

So, in this case we can form 4 subgroups with 10 participants each one, replacing the values of:

  • n by 40 participants
  • k by 4 groups
  • n1, n2, n3 and n4 by 10 participants of every subgroups

We get:

\frac{ 40!}{10!*10!*10!*10!} = 4.7*10^{21}

Part 2:

The number of ways in which we can choose k element for a group of n elements and the order in which they are chose matters is calculate with permutation as:

nPk = \frac{ n!}{(n-k)!}

So in this case there are 4 offices in the research board, those are director,  assistant director, quality control analyst and correspondent. Additionally this 4 offices are going to choose from a group of 5 doctors.

Therefore, replacing values of:

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We get:

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7 0
2 years ago
Read 2 more answers
JL has coordinates J(-6, 1) and L(-4,3).<br> Find the coordinates of the midpoint.
ikadub [295]

Answer:

The coordinates of the mid-point of JL are (-5 , 2)

Step-by-step explanation:

If point (x , y) is the mid-point of a segment whose end-points are (x_{1},y_{1}) and (x_{2},y_{2}), then x=\frac{x_{1}+x_{2}}{2} and  y=\frac{y_{1}+y_{2}}{2}

∵ JL is a segment

∵ The coordinates of J are (-6 , 1)

∴  x_{1} = -6 and  y_{1} = 1

∵ The coordinates of L are (-4 , 3)

∴  x_{2} = -4 and  y_{2} = 3

Lets use the rule above to find the mid-point of JL

∵ x=\frac{-6+-4}{2}=\frac{-10}{2}

∴ x = -5

∴ The x-coordinate of the mid-point is -5

∵ y=\frac{1+3}{2}=\frac{4}{2}

∴ y = 2

∴ The y-coordinate of the mid-point is 2

∴ The coordinates of the mid-point of JL are (-5 , 2)

5 0
2 years ago
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