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kirill115 [55]
2 years ago
15

Solve for x. LMN ~ LEF

Mathematics
1 answer:
shutvik [7]2 years ago
8 0

Answer:

  x = 9

Step-by-step explanation:

Corresponding sides of similar triangles are proportional.

  FL/NL = EL/ML

  (2x -5)/78 = 12/72 . . . . . . fill in given values

  2x -5 = 78(12/72) = 13 . . . multiply by 78

  2x = 18 . . . . add 5

  x = 9 . . . . . . divide by 2

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PLEASEE HELP.!! ILL GIVE BRAINLIEST.!! *EXTRA POINTS* DONT SKIP:((
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-47, -31, 16, 36 - No real explaination, -47 is the lowest of them all the 36 is the highest number of them all.

6 0
3 years ago
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The histogram below shows information about the number of hamburgers students ate in a month:
Travka [436]
The given histogram represents <span>the number of hamburgers students ate in a month :
</span>
From the histogram we can conclude the following:
(1) 8 students ate (0 - 4) hamburgers 
(2) 3 students ate (5 - 9) <span>hamburgers </span>
(3) 2 students ate (10 - 14) <span>hamburgers
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note: we don't know how many students ate exactly 5 hamburgers.

<span>So, the answer
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The information which is provided in the histogram<span>
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7 0
3 years ago
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Find the volume of the composite figure. please!
Irina-Kira [14]
Volume= Length * width ( aka Base ) * height 

Break up the figure into easier figures, a small square and a bigger square.

Small square- 3*2*1 = 6 cm

Large Square- 7*6*1 = 42 cm

42 + 6 = 48 cm. But wait! You have to take one more step, which is minus-ing 6 from 48. Why? Notice that there is a little area where a side of the small square meets the bigger square. That little area is worth 3 cm ( length is 3, height is 1 cm ) times 2 ( 3 cm is one side, another 3 cm is the other side from the other square ) = 6 cm.

Your total answer should be 42. ( or 48, if your teacher doesn't count the area where the squares meet/join together ).

3 0
3 years ago
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Salsk061 [2.6K]
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6 0
3 years ago
Use completing the square to solve the equation x2 - 10x = -8.
Kay [80]

Answer:

x^2 - 10x + 25 = 17

Step-by-step explanation:

Please use " ^ " to denote exponentation:

x^2 - 10x = -8

x^2 - 10x + 25 = 17

x^2 - 10x + 25 = -8

x^2 - 10x - 25 = -33

Begin with x^2 - 10x = -8.  Here's the process for completing the square:

1.  Take half of the coefficient of x and square the result:

    (1/2)(-10) = -5, and then (-5)^2 = + 25

2.  Add this 25 to the first two terms of x^2 - 10x = -8 and also to the      constant -8:    x^2 - 10x + 25 = -8 + 25, or     x^2 - 10x + 25 = 17

3.  Match this result to one of the given possible answers.  Turns out that the given possible answer matching our result is the first one:

x^2 - 10x + 25 = 17

     

7 0
3 years ago
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