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trapecia [35]
3 years ago
12

Can someone pls help me with problems 4 and 5 pls this is due in a bit and I’m in a rush I’ll give 100 points it’s all I have

Mathematics
2 answers:
Talja [164]3 years ago
4 0

Answer:

<h3>#4</h3>

Let M is the midpoint of DE.

Since D is at 8 and DE = 5.

DM = ME = 5/2 = 2.5

<u>Point M is at:</u>

  • 8 + 2.5 = 10.5          if E is to the right of D
  • 8 - 2.5 = 5.5            if E is to the left of D
<h3>#5</h3>

<u>Given</u>

  • XY = 7,
  • YZ = 2x - 1,
  • XZ = 30

<u>Since XZ = XY + YZ, set up an equation and solve for x:</u>

  • 7 + (2x - 1) = 30
  • 2x + 6 = 30
  • 2x = 24
  • x = 12
<h3>#6</h3>

The distance from your house to friend's is LN.

<u>We have: </u>

  • M is midpoint of LN, so LM = MN
  • LM = 3x
  • MN = 2x + 2

<u>Set up an equation, solve for x:</u>

  • 3x = 2x + 2
  • 3x - 2x = 2
  • x = 2

<u>Find the distance LM:</u>

  • LM = 3*2 = 6

<u>Find the distance LN:</u>

  • LN = 2*LM = 2*6 = 12
alexandr402 [8]3 years ago
3 0

Answer:

Step-by-step explanation:

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A pharmacist has 80 milileters of a 25 percent saline solution. Which expression can be used to find the percentage of the conce
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Step-by-step explanation:

Final concentration % = [grams of salt / mililiters of solution] * 100


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3 years ago
Assuming that the rate of change continues, how far beneath the surface is the diver after 60 seconds
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4 0
3 years ago
U will be made brainiest if this answer is right
Daniel [21]

Answer:

x= -7

Step by Step Explanation:

We can write them both like functions like this

A= 5x- 4

B= 3x+ 8

The output of A will be three times the output of B

A=3b

We replace with the functions

5x-4= 3

We solve for x

5x= -4= 9x + 24

5x- 9x= 24 + 4

-4x= 28

x= 28 - 4

x= -7

The output that makes the out put of A 3 times the output of B is -7

Hope it helped

4 0
3 years ago
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