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katen-ka-za [31]
3 years ago
7

Please help Show workings!

Mathematics
1 answer:
Colt1911 [192]3 years ago
3 0

Answer:

LM = 57

Step-by-step explanation:

For each median (JN, ML and KP), the distance from a vertex to the centroid is twice the distance from the centroid to the midpoint of the side opposite that vertex.

In that case, LQ = 2QM

If LQ = 38 then QM = 19

38 + 19 = 57

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A secretary’s hourly wage is $21. On Sunday, the secretary earns time and a half. How much does the secretary earn for working e
AVprozaik [17]
She earns twenty one dollars a hour regularly half of that is ten dollars and fifty cents . Add this to twenty one equals thirty one fifty a hour times eight equals two hundred and fifty two dollars for working on Sunday for eight hours .
6 0
3 years ago
JK is formed by J(-12,3) and K(8,-5). If line r is the perpendicular bisector of JK, write an equation for r in slope-intercept
dem82 [27]

Answer:

  • y = 5/2x + 4

Step-by-step explanation:

<u>Midpoint of JK:</u>

  • x = (-12 + 8)/2 = -4/2 = -2
  • y = (3 - 5)/2 = -2/2 = -1

<u>Slope of the line JK:</u>

  • m = (-5 - 3)/(8 - (-12)) = -8/20 = -2/5

Perpendicular lines have negative reciprocal slopes.

So the line r has a slope 5/2 and passes through the point (-2, -1)

<u>Equation of r:</u>

  • y = 5/2x + b
  • -1 = 5/2(-2) + b
  • -1 = -5 + b
  • b = 5 - 1
  • b = 4

<u>So the equation is:</u>

  • y = 5/2x + 4
3 0
3 years ago
Select the best answer for the question. 1. 2.1 + 3.32 – 1.4 = ? A. 4.2 B. 4.02 C. 6.82 D. 5.42
Pavlova-9 [17]
The best answer to that question would be B) 4.02

Mark it as brainliest if I helped you :)
8 0
3 years ago
Read 2 more answers
HELP OMG I HATE THIS PROBLEM AGKGKGGKGKG
Aleksandr [31]

Answer:

-7, -5, 3, 19 is the correct answer.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Are two of the same looking triangle but different sizes mean they are congruent? ​
densk [106]

Answer:

No

Step-by-step explanation:

They are similar

3 0
3 years ago
Read 2 more answers
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