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Ivan
3 years ago
13

Multiply and simplify

Mathematics
1 answer:
Masteriza [31]3 years ago
6 0
The correct answer is c) 18x^5 y^4 z
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Bruh this kind of math is killing meeee idk if anyone can read that tho
AleksAgata [21]

Answer:

nope i can't im blind

Step-by-step explanation:

8 0
2 years ago
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Find the area for this square
Irina18 [472]

Answer:

361

Step-by-step explanation:

Multiply length x width to find area. 19 x 19 = 361

5 0
2 years ago
I need to solve for x and y. Any help is greatly appreciated! Thank you!
Inessa05 [86]

x=-3, y=1

Step-by-step explanation:

Given equations are:

2x-3y=-9     Eqn 1

x+y = - 2      Eqn 2

From eqn 2:

x=-y-2

Putting x=-y-2 in eqn 1

2(-y-2)-3y=-9\\-2y+4-3y=-9\\-5y-4=-9\\Adding\ 4\ on\ both\ sides\\-5y-4+4=-9+4\\-5y=-5\\Dividing\ both\ sides\ by\ -5\frac{-5y}{-5}=\frac{-5}{-5}\\y=1\\Putting\ y=1\ in\ eqn\ 2\\x+1=-2\\Subtracting\ 1\ from\ both\ sides\\x+1-1=-2-1\\x=-3

Hence,

x=-3, y=1

Keywords: Linear equations, Variables

Learn more about linear equations at:

  • brainly.com/question/4034547
  • brainly.com/question/4054269

#LearnwithBrainly

3 0
3 years ago
Given that 4x-5y = 21 Find x when y = -4. Give your answer as a fraction in its simplest form.
alexira [117]

Answer:

x = 1/4

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<u> </u>

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

4x - 5y = 21

<em>y</em> = -4

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Substitute in <em>y</em>:                                                                                                  4x - 5(-4) = 21
  2. Multiply:                                                                                                             4x + 20 = 21
  3. [Subtraction Property of Equality] Subtract 20 on both sides:                      4x = 1
  4. [Division Property of Equality] Divide 4 on both sides:                                  x = 1/4
6 0
3 years ago
Read 2 more answers
How many feet are in a yard? How many feet are in a mile? How many yards are in a mile? Please answer this. Thank you!
Ronch [10]

Answer:

1. 3 feet

2. 5,280 feet

3. 1760 yards

Step-by-step explanation:

There are 3 feet in a yard, 5,280 feet in a mile, and 1760 yards in a mile. Hope my answer helps you out!

4 0
3 years ago
Read 2 more answers
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