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77julia77 [94]
3 years ago
15

If ac−b=1, which expression represents c? i wil lmark you the brainliest

Mathematics
1 answer:
dolphi86 [110]3 years ago
6 0

Answer:

The expression for c is

c =  \frac{b + 1}{a}

Step-by-step explanation:

The given equation is

ac - b = 1

To find an expression that represents,c we need to make c the subject.

Add b to both sides

ac = 1 + b

We now divide both sides by 'a'

\frac{ac}{a} =  \frac{b + 1}{a}

Simplify the LHS to get:

a=  \frac{b + 1}{a}

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The answer is (4, 3). Hope this helps!
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2 years ago
3b - c +5 if c= - 4, b=2.
AnnZ [28]

Answer:

15

Step-by-step explanation:

To find the answer, plug the values of each variable into the equation and simplify. It may be easiest to plug one variable in at a time, simplify, then plug the next variable in. Remember, if the equation is asking you to subtract a negative number, the negatives cancel and you want to add the numbers.

b = 2          c = -4

3b - c + 5                                      <----- Original expression

3(2) - c + 5                                    <----- Plug 2 in for "b"

6 - c + 5                                        <----- Multiply 3 and 2

11 - c                                              <----- Add 6 and 5

11 - (-4)                                           <----- Plug -4 in for "c"

15                                                  <----- Add 11 and 4

3 0
2 years ago
PLEASE HELP PLEASE PLEASE
Maslowich

Answer:

  quadratic

Step-by-step explanation:

The x-values are sequential, so we can look at the y-values.

Differences from one to the next are ...

  -7, -1, 5, 11, 17

And the differences of these numbers are ...

  6, 6, 6, 6

When <em>second</em> differences are constant, the sequence can be produced by a <em>second</em>-degree (quadratic) polynomial.

__

Here, that polynomial is ...

  y = 3x² +2x -1

The regression functions of a graphing calculator can help you find the appropriate formula.

6 0
3 years ago
If you have $100 and then lose $25 what is the percent change
katovenus [111]

\huge{\textbf{\textsf{{\color{pink}{An}}{\red{sw}}{\orange{er}} {\color{yellow}{:}}}}}

The lost percentage is 25%

The percentage remaining is 75%

  • Thanks
  • ThanksHope it helps
7 0
2 years ago
What is the value of x?<br> Enter your answer in the box.
Liono4ka [1.6K]

Answer:

x = 80 degree

Step-by-step explanation:

As sum of all angles in a triangle is equal to 180

so:

According to the given figure:

70  + 30 + x = 180

By simplifying

100 + x = 180

x = 180 - 100

x = 80 degree

i hope it will help you!

5 0
3 years ago
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