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Ierofanga [76]
3 years ago
5

Find each sum or difference -1/2 + 1/3

Mathematics
2 answers:
Dovator [93]3 years ago
7 0

Answer:

The answer is -1/6

Step-by-step explanation:

AfilCa [17]3 years ago
6 0

Answer:

Sum: -1/6

Difference: -5/6

Step-by-step explanation:

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Do the following form a right triangle?<br> 20, 25, 30<br> True<br> False
qaws [65]

Answer:

False

Step-by-step explanation:

20, 25, and 30 no hagas un triángulo rectángulo

4 0
3 years ago
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(a 2n - a n - 6) (a n + 8)
yawa3891 [41]
Here
2an-an=an
then (an-6)(an+8)
=asqnsq+8an-6an+48
=asqnsq+2an+48answer



sq is square and first We should add or subtract like terms
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2 years ago
With the table below, find F(-87)
xz_007 [3.2K]

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right

Step-by-step explanation:

5 0
3 years ago
What is the answer to these three questions and how did you get them?
ludmilkaskok [199]
#1. I think the answer is B because when you estimate, round 328.9 to 329 and 7 3/4 to 8. Divide 329 by 8 which is 41.125 which is closest to 40.

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7 0
3 years ago
-2x + y =0 <br> 5x + 3y = -11
Ivahew [28]

Answer:

(-1, -2)

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
  • Solving systems of equations by graphing

Step-by-step explanation:

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

-2x + y = 0

5x + 3y = -11

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

-2x + y = 0

  1. Add 2x on both sides:                    y = 2x

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

y = 2x

5x + 3y = -11

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

<em>Substitution</em>

  1. Substitute in <em>y</em>:                         5x + 3(2x) = -11
  2. Multiply:                                    5x + 6x = -11
  3. Combine like terms:                11x = -11
  4. Isolate <em>x</em>:                                   x = -1

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

  1. Define equation:                    y = 2x
  2. Substitute in <em>x</em>:                       y = 2(-1)
  3. Multiply:                                  y = -2

<u>Step 6: Graph Systems</u>

<em>Check the solution set.</em>

3 0
2 years ago
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