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melomori [17]
2 years ago
8

Elizabeth continued to save for her car down payment.

Mathematics
2 answers:
Reil [10]2 years ago
6 0

ummmm it could be third one i guesss

wariber [46]2 years ago
6 0

Answer:

985

Step-by-step explanation:

they are asking what her balance was after her first deposit (A) so you only adding 65.00 to the original 920.00

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Students in an art class make square tiles that are 5 inches long.They plan to make a row of tiles that is 4 feet 2 inches long.
Nataliya [291]

4 feet is 48 inches.

So 4'2" would be 50 inches.

50/5=10

The class needs to make 10 tiles.

4 0
3 years ago
If y=3x - 5, find the value of y when x = -1yn
kupik [55]

Answer:

y = 3x - 5 \\ x =  - y \\ substitute \:  - y \: in \: the \: place \: of \: x \\ y =  - 3y - 5 \\ y + 3y = 5 \\ 4y = 5 \\ y =  \frac{5}{4}

6 0
2 years ago
\large -6x+6y=6<br> \large 6x+3y=12
Kaylis [27]

Answer:

the solution of the system is:

x = 1 and y = 2.

Step-by-step explanation:

I suppose that we want to solve the equation:

-6*x + 6*y = 6

6*x + 3*y = 12

To solve this, we first need to isolate one of the variables in one of the equations.

Let's isolate y in the first equation:

6*y = 6 + 6*x

y = (6 + 6*x)/6

y = 6/6 + (6*x)/6

y = 1 + x

Now we can replace this in the other equation:

6*x + 3*(1 + x) = 12

6*x + 3 + 3*x = 12

9*x + 3 = 12

9*x = 12 - 3 = 9

x = 9/9 = 1

Now that we know that x = 1, we can replace this in the equation "y = 1 + x" to find the value of y.

y = 1 + (1)  = 2

Then the solution of the system is:

x = 1 and y = 2.

6 0
3 years ago
F(x) =
Oksana_A [137]

9514 1404 393

Answer:

  f'(x) = (-6x² -14x -23)/(x² +5x +2)²

  f''(x) = (12x³ +42x² +138x +202)/(x² +5x +2)³

Step-by-step explanation:

The applicable derivative formula is ...

  d(u/v) = (v·du -u·dv)/v²

__

  f'(x) = ((-x² -5x -2)(4x +4) -(2x² +4x -3)(-2x -5))/(-x² -5x -2)²

  f'(x) = (-4x³ -24x²-28x -8 +4x³ +18x² +14x -15)/(x² +5x +2)²

  f'(x) = (-6x² -14x -23)/(x² +5x +2)²

__

Similarly, the second derivative is the derivative of f'(x).

  f''(x) = ((x² +5x +2)²(-12x -14) -(-6x² -14x -23)(2(x² +5x +2)(2x +5)))/(x² +5x +2)⁴

  f''(x) = ((x² +5x +2)(-12x -14) +2(6x² +14x +23)(2x +5))/(x² +5x +2)³

  f''(x) = (12x³ +42x² +138x +202)/(x² +5x +2)³

4 0
3 years ago
Can I get your number so we can talk?
solniwko [45]

Answer:

no but you can have my gm/ail

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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