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Tanzania [10]
1 year ago
6

Triangle J K L is shown. Lines are drawn from each point to the opposite side and intersect at point P. Line segments J O, K M,

and L N are created.
In the diagram, which must be true for point P to be the centroid of the triangle?

LN ⊥ JK, JO ⊥ LK, and JL ⊥ MK.
JL = LK = KJ
JM = ML, LO = OK, and KN = NJ.
LN is a perpendicular bisector of JK, JO is a perpendicular bisector of LK, and MK is a perpendicular bisector of JL.
Mathematics
2 answers:
Oksanka [162]1 year ago
8 0

Answer:

JM = ML, LO = OK, and KN = NJ

Step-by-step explanation:

This makes the most sense.

lora16 [44]1 year ago
4 0

Answer:

C

Step-by-step explanation:

JM = ML, LO = OK, and KN = NJ

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Maybe is 2181 the biggest 
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4 0
2 years ago
Read 2 more answers
Serena estimates that she can paint 60 square feet of wall space every half -hour .Write a equations for the relationship with t
lina2011 [118]

Answer: So, the relationship with i hours as the indecent variables would be y=120i

Serena can't paint 400 square feet of wall space of wall space in 3.5 hours.

Step-by-step explanation:

Since we have given that

Area that she can paint = 60 square feet

Time taken = half hour = 30 minutes = 0.5 hours

Using "Unitary method, we get that

In 0.5 hours, she can paint = 60 square feet

In 1 hour, she can paint = \dfrac{60}{0.5}=120\ sq.\ feet

In i hours, she can paint = 120\times i\ sq.\ feet=120i\ sq.\ feet

Let the total area she can paint be 'y'.

So, the relationship with i hours as the indecent variables would be

y=120i

Now,  Can Serena paint 400 square feet of wall space i. 3.5 hours

We put y = 400 and i = 3.5 hours to check whether it is equal or not.

400= 120\times 3.5\\\\400\neq 420

Hence, Serena can't paint 400 square feet of wall space of wall space in 3.5 hours.

3 0
2 years ago
The sum of two numbers is 90. The larger number is 14 more than 3 times the smaller number. Find the numbers
e-lub [12.9K]

Answer:

The numbers are 19 and 71.

Step-by-step explanation:

Let x and y represent the two numbers.  Then x + y = 90.  

Also, if we assume that the larger number is y, then y = 3x + 14.

We must solve this system of linear equations.  Since we already have the result of solution for y  (y = 3x + 14), let's use the substitution method to find the solution:

x + y = 90 becomes x + 3x + 14 = 90, or:

4x = 76.  Thus, x = 76/4, or 19.       If x = 19, then y = 3(19) + 14, or y = 71.

The numbers are 19 and 71.

Note that these add up to 90, as they must, and that 71 is 14 more than 3 times 19.

7 0
2 years ago
A proofreader earns $8.50 for each page that he proofreads. If he works 7.5 hours and proofreads 14 pages each day on average, w
dimulka [17.4K]

Answer:

$15.8666666667 an hour on average

Step-by-step explanation:

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7 0
2 years ago
Read 2 more answers
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