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SpyIntel [72]
3 years ago
8

On the 25th of every month, Tamesha pays her rent

Mathematics
1 answer:
Alchen [17]3 years ago
3 0
Ok? What’s the question?
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How many points does the given equation have in common with the x-axis and where is the vertex in relation to the x-axis. y=x^2-
Fudgin [204]

Answer:

1. It has two points in common with the x-axis.

2. The vertex in relation to the x-axis is at x=6

Step-by-step explanation:

The points that the equation has in common with the x-axis are the points of intersection of the parabola with the x-axis.

To find them, substitute y=0 and solve for "x":

y=x^2-12x+12\\0=x^2-12x+12

Use the Quadratic formula:

x=\frac{-b\±\sqrt{b^2-4ac}}{2a}\\\\x=\frac{-(-12)\±\sqrt{(-12)^2-4(1)(12)}}{2(1)}\\\\x_1=10.89\\\\x_2=1.10

It has two points in common with the x-axis.

To find the vertex in relation to the x-axis, use the formula:

x=\frac{-b}{2a}

Substituting values, you get:

x=\frac{-(-12)}{2(1)}\\x=6

3 0
3 years ago
What is a simple way to solve for the sum and difference of 2 cubes? For example, 27+64<img src="https://tex.z-dn.net/?f=x%5E3"
salantis [7]

Answer:

(3 + 4x)(9 - 12x + 16x²) = 0

(4m - 1)(16m² + 4m + 1) = 0

Step-by-step explanation:

Here we have to solve the sum of two cubes which is 27 + 64x^{3}

Now, the equation is 27 + 64x^{3} = 0

⇒ 3³ + (4x)³ = 0

⇒ (3 + 4x)[3² - 3(4x) + (4x)²] = 0

⇒ (3 + 4x)(9 - 12x + 16x²) = 0

So, (3 + 4x) = 0 or (9 - 12x + 16x²) = 0

Therefore, from the above two relation we can solve for x.

One root will be - \frac{3}{4} and the others we will get by applying Sridhar Acharya Formula, which will give a pair of conjugate imaginary roots of the equation.  

Again, we have to solve the difference of two cubes which is 64m^{3} - 1

Now, the equation is 64m^{3} - 1 = 0

⇒ (4m)³ - 1³ = 0

⇒ (4m - 1)[(4m)² + 4m(1) + 1²] = 0

⇒ (4m - 1)(16m² + 4m + 1) = 0

So, (4m - 1) = 0 or (16m² + 4m + 1) = 0

Therefore, from the above two relation we can solve for m.

One root will be \frac{1}{4} and the others we will get by applying Sridhar Acharya Formula, which will give a pair of conjugate imaginary roots of the equation.  (Answer)

8 0
3 years ago
Determine which expression(s) is in its simplified form. Select all situations that apply.
PolarNik [594]
5/8, 1/9....these are in simplified form because they cant be reduced

12/15 simplifies to 4/5
4/8 simplifies to 1/2
9/18 simplifies to 1/2

3 0
3 years ago
Read 2 more answers
Time zones around the world are either ahead (+) or behind (-) Greenwich Mean Time (GMT). If it is 9 p.m. in Greenwich, England,
jenyasd209 [6]
The current GMT is 9:00 P.M.
The time in India is 5 hours more than GMT
5=3+2
9+3=12
12:00+ 2 hours= 2:00
Solution: D. 2 A.M.
8 0
3 years ago
Read 2 more answers
Help me please see <br>me!!!
Mkey [24]
Its not really hard you just have to explain when like its not really complicated
5 0
3 years ago
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