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shtirl [24]
2 years ago
10

PLS HELP ME

Mathematics
1 answer:
lianna [129]2 years ago
7 0

Answer: Percentage increase: 57%

Percent increase if the airline charges an additional 50:  14.5% or 15%

Depends if your teacher wants more accurate results with the decimal, or rounded up with 15.

Step-by-step explanation:

Ill explain in the comments bc for some reason its not letting me put it here

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© y= 2x + 6<br> -3x - 5y= 22<br> Please help with substitution
umka21 [38]

Answer:

[2]    x = -5y - 4

// Plug this in for variable  x  in equation [1]

  [1]    2•(-5y-4) - 5y = 22

  [1]     - 15y = 30

// Solve equation [1] for the variable  y

  [1]    15y = - 30

  [1]    y = - 2

// By now we know this much :

   x = -5y-4

   y = -2

// Use the  y  value to solve for  x

   x = -5(-2)-4 = 6

Solution :

{x,y} = {6,-2}

  Processing ends successfully  

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Terms and Topics

Linear Equations with Two Unknowns

Solving Linear Equations by Substitution

Related Links

Algebra - Linear Systems with Two Variables

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
5. a) Which figure is the mapping diagram of the relation
Viefleur [7K]

Answer:

b, since the others have the input and output on the wrong sides

7 0
3 years ago
Read 2 more answers
Dory's grandma runs a chicken farm. The number of eggs her hens lay is given by the equation e = 3h, where e is the number of eg
Nadusha1986 [10]
Plug in 500 for h in the equation and you get:
e=3 (500)
e=1500
5 0
3 years ago
Read 2 more answers
A club collected $3,472 to buy computers. If each computer cost $680, estimate the number of computers that the club can buy.exp
almond37 [142]

The club can buy 5 computers with $3472

Step-by-step explanation:

The number of computers which can be bought from the given amount will be calculated by dividing the amount by price of one computer.

Given

Total amount = $3472

Price of one computer =$680

The number of computers will be:

=\frac{Total\ amount}{Price\ per\ computer}\\=\frac{3472}{680}\\=5.1\\

As the number of an item cannot be in decimal it will be rounded off to 5.

The club can buy 5 computers with $3472

Keywords: Price per unit, pricing

Learn more about pricing at:

  • brainly.com/question/7287774
  • brainly.com/question/726990

#LearnwithBrainly

8 0
3 years ago
Evaluate 12 ÷ (-3)(2) + 5-133-3
shepuryov [24]

Solution

The question would like us to evaluate the following:

12÷-3\left(2\right)+5

- The solution is given below:

\begin{gathered} 12\div(-3)(2)+5 \\ \text{ Perform the division first before multiplication because we move from left to right when} \\ division\text{ and multiplication are together} \\ 12\div(-3)=-4 \\  \\ Thus,\text{ we have} \\ 12\div(-3)(2)+5=-4(2)+5 \\  \\ -4(2)+5=-8+5 \\  \\ =-3 \end{gathered}

Final Answer

The answer is -3

5 0
1 year ago
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