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jolli1 [7]
3 years ago
15

Equation: y=x^2+3x-4 solve for Y in vertex form

Mathematics
1 answer:
tekilochka [14]3 years ago
3 0

Answer:

y = (x + 1.5)^2 + 1.75.

Step-by-step explanation:

y = x^2 + 3x - 4

Completing the square:-

y = (x + 1.5)^2 - (1.5)^2 - 4

y = (x + 1.5)^2  - 2.25 + 4

y = (x + 1.5)^2 + 1.75   (answer).

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An algebra class has 16 students and 16 desks. For the sake of variety, students change the seating arrangement each day. How ma
sineoko [7]

Answer: a) 2092278989 b) 576, c) \dfrac{576}{2092278989}

Step-by-step explanation:

Since we have given that

Number of students = 16

Number of desks = 16

a)  How many days must pass before the class must repeat a seating arrangement?

16!=2092278989

If the number of rows = 4

b) How many seating arrangements are there that put Larry, Moe, Curly, and Shemp in the front seats?

4!\times 4!\\\\=24\times 24\\\\=576

c) How many seating arrangements are there that put Larry, Moe, Curly, and Shemp in the front seats?

\dfrac{576}{2092278989}

Hence, a) 2092278989 b) 576, c) \dfrac{576}{2092278989}

6 0
3 years ago
Please help it’s asking the perimeter to the nearest tenth
valkas [14]

Pythagoras theoram? use it here!

That is,

  • H² = B² + P²

H² = 15² + 4²

H² = 225 + 16

H = √241

H = 15.5

You should opt for 15.5

P.S: Best of luck for your test! ;))

5 0
3 years ago
A fair die is rolled repeatedly. find the expected number of rolls until all 6 faces appear.
Makovka662 [10]
Each face has a chance of 1/6
So you beed 6 rolls
8 0
3 years ago
What is the constant of variation for the following: 5y=10x?
ss7ja [257]
Y and x are the two varibles so 5 and 10 are your contants

6 0
3 years ago
Select the correct answer from each drop-down menu.
GrogVix [38]

Answer:

The answer to your question is x-axis, y-axis

Step-by-step explanation:

To answer this question just remember the equation of the slope

          m = \frac{y2 - y1}{x2 - x1}

Then:

If the numerator is zero, the line is parallel to the x-axis  and the slope will be zero.

If the denominator is zero, the line is parallel to the y-axis and the slope will be undefined.

4 0
3 years ago
Read 2 more answers
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