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aleksley [76]
3 years ago
14

Can someone help me on this​

Mathematics
1 answer:
Strike441 [17]3 years ago
6 0

Answer:

JK+KL=JL

Step-by-step explanation:

  • (x-6) +(2x-8) =16
  • x-6+2x-8=16
  • x+2x=16+6+8
  • 3x=30
  • x=30/3
  • x=10
  1. Now KL
  • 2x-8
  • 2x10-8
  • 20-8
  • =1<u>2</u><u>(</u><u>A</u><u>)</u><u> </u>

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Solve for c.
slava [35]
A(b - c) = d
ab - ac = d
ac = ab - d
c = (ab - d)/a
8 0
3 years ago
What is the solution to the pair of simultaneous equations? 2x+y=5. 3x-2y=4​
densk [106]

Answer:

(2, 1)

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  

Distributive Property

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

<u>Algebra I</u>

  • Coordinates (x, y)
  • Terms/Coefficients
  • Solving systems of equations using substitution/elimination

Step-by-step explanation:

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

2x + y = 5

3x - 2y = 4

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

<em>Manipulate 1st equation</em>

  1. [Subtraction Property of Equality] Subtract 2x on both sides:                      y = 5 - 2x

<u>Step 3: Solve for </u><em><u>x</u></em>

<em>Substitution</em>

  1. Substitute in <em>y</em> [2nd Equation]:                                                                         3x - 2(5 - 2x) = 4
  2. [Distributive Property] Distribute -2:                                                                3x - 10 + 4x = 4
  3. [Addition] Combine like terms:                                                                        7x - 10 = 4
  4. [Addition Property of Equality] Add 10 on both sides:                                   7x = 14
  5. [Division Property of Equality] Divide 7 on both sides:                                 x = 2

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

  1. Substitute in <em>x</em> [Modified 1st Equation]:                                                           y = 5 - 2(2)
  2. Multiply:                                                                                                             y = 5 - 4
  3. Subtract:                                                                                                            y = 1
3 0
3 years ago
Laurie and maya sold at most $50 worth of get-well and friendship cards
Oduvanchick [21]

Answer:

The answer is 50$ lol

Step-by-step explanation: I dunno what the question is

8 0
3 years ago
Mr. Martin’s math test, which is worth 100 points, has 35 problems. Each problem is worth either 5 points or 2 points.
makkiz [27]

Answer:

A

Step-by-step explanation:

a = 10 X 5 = 50, 25 X 2 = 50 = 100

B = 15x5 = 75, 20 x 2 = 40, = 105

C = 20 x 5 = 100, already at 100 (so immediately wrong)

D: 25 x 5 = 125, already larger than 100 (so immediately wrong)

Therefore A is the only correct option, hop i helped you!

(could you mark me brainliest if possible thanks!)

6 0
3 years ago
A. 110<br> B. 50 <br> pls help asap !!!!!
Maslowich

Answer:

Range: 110

Step-by-step explanation:

Range = Largest number - Smallest number

           = 150 - 40

           = 110

Hope this helps!

7 0
2 years ago
Read 2 more answers
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