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scoray [572]
2 years ago
5

-2/5x - 1/2 + x = -40/11

Mathematics
1 answer:
IgorLugansk [536]2 years ago
7 0

Answer: x = 6.56

Step-by-step explanation: -0.4x - 0.5 + x = 3.63

-0.4x^2 - 0.5 = 3.63

-0.4x^2 = 4.13

0.63x = 4.13

x = 6.56

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8 39/40 written as a decimal
liq [111]

Answer:

8.975

Step-by-step explanation:

hope this helped

6 0
3 years ago
Read 2 more answers
River C is 100 miles longer than River D. If the sum of their lengths is 5,560 miles, what is the length of each river?
Elan Coil [88]
x-\ length\ of\ river\ D\\\\
x+100-\ length\ of\ river\ C\\\\
x+x+100=5560\\\\
2x+100=5560\ \ \ | subtract\ 100\\\\
2x=5460\ \ \ | divide\ by\ 2\\\\
x=2730miles\\\\
2730+100=2830miles\\\\
River\ C\ is\ 2830\ miles\ long\ and \ river\ D\ is\ 2730\ miles\ long.
5 0
3 years ago
What is 3*ln(5)? Expanded and get the exact answer.
Mrac [35]

Answer:

  ln(125) ≈ 4.828314

Step-by-step explanation:

The relevant log relation is ...

  log(a^b) = b·log(a)

__

This means your expression is equivalent to ...

  3·ln(5) = ln(5^3) = ln(125) ≈ 4.828314

__

The "exact" answer is ln(125).

5 0
3 years ago
Solve n÷6>2. Graph the solution
liq [111]

Answer:

n>12

Step-by-step explanation:

6 0
2 years ago
Check picture to answer
Ilia_Sergeevich [38]

After solving the equation we get y=2 when x = 15

Step-by-step explanation:

We need to complete the solution of the equation -x-8y=-1

We need to find value of y when x equals -15

For finding value of y, we will put value of x= -15 in the given equation:

-x-8y=-1

-(-15)-8y=-1

+15-8y=-1

Adding -15 on both sides

-8y=-1-15

-8y=-16

Divide both sides by -8

y=2

So, After solving the equation we get y=2 when x = 15

Keywords: Solving Equations

Learn more about Solving Equations at:

  • brainly.com/question/1563227
  • brainly.com/question/2403985
  • brainly.com/question/11229113

#learnwithBrainly

5 0
4 years ago
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