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Mekhanik [1.2K]
3 years ago
11

Can someone please help me with this?

Mathematics
1 answer:
Svet_ta [14]3 years ago
3 0
Increasing: (-4,-4)
Decreasing: (4,-2)
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4x+7=23. explain the steps you would use to solve the equation for x.​
yaroslaw [1]

Answer:

x=4

Step-by-step explanation:

1. isolate the variable by subtracting 7 on both sides: 4x=23-7

2. simplify: 4x=16

3. divide both sides by 4: x=16/4

4. simplify: x=4

5 0
2 years ago
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Y=2x <br> y=4x+2 <br><br> i need help solving this it’s the substitution method
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X=-1,y=-2

Step-by-step explanation:

if y =2x

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so X=-1 and y=-2

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find the measure of the angle of elevation of the sun to the nearest degree, if a 100ft tall building casts a 150ft shadow.​
Svet_ta [14]

Answer:

33.7º

Step-by-step explanation:

tan  = opp/adj

tan∅ = 100/150 = 2/3

∅ = arctan 2/3

∅ = 33.690067525979787

33.7º

5 0
3 years ago
Brainliest 5 stars and worth 20 points, give me correct answers!!!
aniked [119]

Answer:

  • x² + x + 1 + 2/(x - 1)

Step-by-step explanation:

  • (x³ + 1) / (x - 1) =
  • (x³ - 1 + 2) / (x - 1) =
  • (x³ - 1)/(x - 1) + 2/(x - 1) =
  • (x - 1)(x² + x + 1)/(x - 1) + 2/(x - 1) =
  • x² + x + 1 + 2/(x - 1)
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2 years ago
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