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Elenna [48]
3 years ago
11

HELP A SISTA OUTTTTTTTTTTTTTTT

Mathematics
1 answer:
Galina-37 [17]3 years ago
4 0
NO NO NO NO NO NONOOOOLOOOOOKIOI
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Solve the Inequality<br> 9w-4w+6≥1+5w
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Answer: All real numbers :)

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3 years ago
Find the common ratio for 4,2, and 1
svetoff [14.1K]

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4:2:1 is common ratio for 4,2, and 1

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3 years ago
Four friends bought tickets to the school play. If it cost then a total of $28, Which equation could be used to find how much ea
amm1812

Answer:

4x = $28

Step-by-step explanation:

5 0
3 years ago
One month Yoko rented 3 movies and 5 video games for a total of $40. The next month she rented 9 movies and 7 video games for a
KATRIN_1 [288]

Answer:

  • movie: $3.75
  • video game: $5.75

Step-by-step explanation:

Two equations in two unknowns can be written:

  3m +5v = 40

  9m +7v = 74

These can be solved a variety of ways. One of them is using Cramer's rule. It tells you the solution to

  • ax +by = c
  • dx +ey = f

is given by ...

  • ∆ = bd -ea
  • x = (bf -ec)/∆
  • y = (cd -fa)/∆

For the numbers above,

  • ∆ = 5·9 -7·3 = 24
  • m = (5·74 -7·40)/24 = 90/24 = 3.75
  • v = (40·9 -74·3)/24 = 138/24 = 5.75

The rental cost for each movie is $3.75; for each video game, it is $5.75.

___

The attached graph shows a graphing calculator solution to these equations.

5 0
3 years ago
Which operation can be used with the augmented matrix below?
ycow [4]

Answer:

Multiply row 2 by-1 and add it to row 3.

Step-by-step explanation:

The given augmented matrix is \left[\begin{array}{ccc}3&-21&15\\15&8&15\\-2&-1&3\end{array}\right]

The permissible row operations are:

1. Switching rows

2. Multiplying a row by a nonzero constant.

3. Adding/Subtracting two rows

 Therefore the correct option is: Multiply row 2 by-1 and add it to row 3.

5 0
3 years ago
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