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icang [17]
3 years ago
12

If using the method of completing the square to solve the quadratic equation x^2-20x+24=0x

Mathematics
1 answer:
Citrus2011 [14]3 years ago
7 0

Answer: (-10)^2

Step-by-step explanation:

(b / 2)^2 = (-10)^2

Hope this helps! Please give brainliest!

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Wen takes a job with a starting salary of $100,000 for the first year. she earns a 3% increase each year. what does s5 represent
steposvetlana [31]
S_{n} = \frac{ a_{1}(1- r^{n})  }{1-r} a_{1} = 100000, r=1.03, n=5
S_{5} = \frac{100000(1- 1.03^{5}) }{1-1.03} = \frac{100000(-.159)}{-.03} =530,000

So after 5 years she is making $530,000.

Hope that helps
8 0
4 years ago
Read 2 more answers
What is W in this equation <br> -w–11≤w–5
zhannawk [14.2K]

Step-by-step explanation:

-w - 11 < or = w - 5

-2w - 11 < or = -5

-2w < or = -16

w > or = -8

5 0
3 years ago
HELP!! WILL GIVE BRAINLIEST TO WHOEVER ANSWERS CORRECTLY
True [87]

2. You simplified parenthesis on both sides

3. Subtracted 14 from -25 on right side

6. Divided each side by 9

6 0
3 years ago
Using quadratic formula to find the solution for<br><br><br> y=3x^3+8x-1
andre [41]
Y=-1

that’s the answer
3 0
3 years ago
Which of the following are incorrect expressions for slope?
vfiekz [6]

Answer:

Option B and C are correct.

\frac{x_2-x_1}{y_2-y_1}

\frac{run}{rise} are the expression incorrect for slope

Step-by-step explanation:

Slope is defined as the change in the dependent variable  relative to the change in the dependent variable

or the ratio of the horizontal changes to vertical changes between any two points on the graph of the line.

The vertical changes between any two points is rise

The horizontal changes between any two points is run.

Formula for slope is given by:

For any two points (x_1, y_1) and (x_2, y_2)

then slope is:

\text{Slope} =\frac{rise}{run}= \frac{y_2-y_1}{x_2-x_1}

or we can write this as:

Δy = y_2-y_1

Δx = x_2-x_1

⇒\text{Slope} = \frac{\triangle y}{\triangle x}

Therefore, the expression which are incorrect for slope  are;

\frac{x_2-x_1}{y_2-y_1}

\frac{run}{rise}

8 0
3 years ago
Read 2 more answers
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