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coldgirl [10]
3 years ago
12

What is the answer to (r+6)/(3r-6)+(2r-12)/(3r-6)

Mathematics
1 answer:
Mama L [17]3 years ago
4 0

Answer: Isn't the answer  (1)

Step-by-step explanation: Just try 1.

PLS TELL ME IF I'M WRONG!

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What is the probability of randomly choosing a permutation of the 10 digits 0, 1, 2, . . . , 9 in which (a) an odd digit is in t
inysia [295]

The first digit is one of {1, 3, 5, 7, 9}, and the last digit is one of {1, 2, 3, 4, 5}.

If the first digit is one of {1, 3, 5} (3 choices), then the last digit is one of {1, 2, 3, 4, 5} minus whatever is picked for the first digit (4 choices, and the remaining eight digits can be arranged in 8! ways, so there are 12*8! possible permutations.

If the first digit is one of {7, 9} (2 choices, then the last digit is one of {1, 2, 3, 4, 5} (5 choices), and again there are 8! ways of arranging the remaining digits, so there are 10*8! possible permutations.

Then the total number of permutations that fit the criteria is 12*8! + 10*8! = 22*8!. There are 10! total permutations that can be made overall, so the probability of randomly picking one we want is

\dfrac{22\cdot8!}{10!}=\dfrac{22}{10\cdot9}=\boxed{\dfrac{11}{45}}

7 0
4 years ago
Some people were asked how long it takes them to commute to work.
melomori [17]

Answer:

I answered ur question in ur previous post

Good Luck!

5 0
3 years ago
Read 2 more answers
Help!!!!!!!! please please
Airida [17]

Answer:

128°

Explanation:

1 = 4 because of vertical angles are the same

4 = 5 because of alternate interior angles are the same

5 = 8 vertical angles

8 = 9 alternate interior angles

9 = 12 vertical angles

180° = 12 + 11

11 = 180° - 52°

angle 11 = 128°

6 0
3 years ago
The school band is selling sweatshirts and baseball caps to raise $2000 to attend a band competition. Sweatshirts cost $25 each
Papessa [141]

Answer:

X-intercepts: (80,0)

y-intercepts: (0,200)

Step-by-step explanation:

(To find the x-intercept, substitut in 0 for y and solve for x. To find the y-intercept, substitute in 0 for x and solve for y. As shown in the pictur)

5 0
4 years ago
I need the ordered pair plz
Taya2010 [7]

Answer:

(\frac{-1}{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

<u>Algebra I</u>

  • Midpoint Formula: (\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Find points from graph.</em>

Point (-6, 5)

Point (5,  -7)

<u>Step 2: Find Midpoint</u>

Simply plug in your coordinates into the midpoint formula to find midpoint

  1. Substitute [MF]:                      (\frac{-6+5}{2},\frac{5-7}{2})
  2. Add/Subtract:                         (\frac{-1}{2},\frac{-2}{2})
  3. Divide:                                    (\frac{-1}{2},-1)
4 0
3 years ago
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