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netineya [11]
3 years ago
8

Can someone please help me with 49 and 50 please. I will give Brainliest Answer.

Mathematics
1 answer:
Makovka662 [10]3 years ago
4 0

Answer: 49=b

50=d

Step-by-step explanation:

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Solve the system using substitution.<br> y - 3x = 1<br> 2y - x = 12<br> ([?], [])
anyanavicka [17]

Answer:

(2, 5)

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

<u>Algebra I</u>

  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

<u>Step 1: Define Systems</u>

y - 3x = 1

2y - x = 12

<u>Step 2: Rewrite Systems</u>

y - 3x = 1

  1. Add 3x on both sides:                    y = 3x + 1

<u>Step 3: Redefine Systems</u>

y = 3x + 1

2y - x = 12

<u>Step 4: Solve for </u><em><u>x</u></em>

<em>Substitution</em>

  1. Substitute in <em>y</em>:                    2(3x + 1) - x = 12
  2. Distribute 2:                         6x + 2 - x = 12
  3. Combine like terms:           5x + 2 = 12
  4. Isolate <em>x</em> term:                     5x = 10
  5. Isolate <em>x</em>:                              x = 2

<u>Step 5: Solve for </u><em><u>y</u></em>

  1. Define equation:                    2y - x = 12
  2. Substitute in <em>x</em>:                       2y - 2 = 12
  3. Isolate <em>y </em>term:                        2y = 10
  4. Isolate <em>y</em>:                                 y = 5
4 0
2 years ago
Every month, Mr. Leroy pays his rent through automatic payments (withdrawals) from his
GarryVolchara [31]

Answer:

-445/month

Step-by-step explanation:

I think that what you would do is divide -5,341 by 12, which gives you -445

6 0
3 years ago
A number is subtracted from 20 and from 17. The product of the number so obtained is 180. Find the original number
matrenka [14]

I don't really understand your question, but it think it goes like this:

x-17-20=180

gather common terms

x-37=180

move 37 to other side

x=180+37

addition

x=217

5 0
2 years ago
The price of concert ticket dropped from $177 to $91. What was the precent of decrease in price of tickets? PLEASE HELP ASAP​
Pavel [41]

Answer:

The percent of decrease can be calculated with this formula:

(Original value - New Value)/(Original Value)

In this case, the original  value is 117 and the new value is 91.

So  the  percent of  decrease is 26/117, or about 22%.

Hope this helps!

6 0
3 years ago
I need to find Angle B, but I cant figure it out! Please help.
Alborosie

An outside angle equals the sum of the two opposite inside angles.

So you have:

(5x-35) = 2x +58

Solve for X then you can calculate Angle B:

(5x-35) = 2x +58

Subtract 2x from both sides:

3x -35 = 58

Add 35 to both sides:

3x = 93

Divide both sides by 3:

X = 93 /3

x = 31

Now for Angle B, replace x with 31:

Angle B = 2x = 2(31) = 62 degrees.

8 0
3 years ago
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