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3 years ago

14

1/3(x+6)= 2/3(x-9) pls help me

1 answer:

Tpy6a [65]3 years ago

4 0

Answer:

x=24

Step-by-step explanation:

Using like terms methods, If you replace x with 24 the expressions equal to the same answer.

I hope this helps :)

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(a) दिइएको चतुभुर्जको क्षेत्रफल पत्ता

My name is Ann [436]

Answer:

मैं वास्तव में अच्छा हूं

मैं धाराप्रवाह हिंदी बोलता हूं

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3 years ago

Help please I need 5 points total. i need 2 to left of vertex. i need vertex. i need 2 to right of vertex. Please, quickly, I am

zlopas [31]

We are given with a quadratic equation which represents a Parabola , we need to find the vertex of the parabola , But let's recall that , For any quadratic equation of the form ax² + bx + c = 0 , the vertex of the parabola is given by ;

${\quad \qquad \boxed{\bf{Vertex = \left(\dfrac{-b}{2a},\dfrac{-D}{4a}\right)}}}$

Where , D = b² - 4ac (Discriminant)

Now , On comparing the given equation with ax² + bx + c , we have

⇢⇢⇢ <em><u>a = 1 , b = - 10 , c = 2</u></em><em><u>7</u></em>

Now , Calculating D ;

${:\implies \quad \sf D=(-10)^{2}-4\times 1\times 27}$

${:\implies \quad \sf D=100-108}$

${:\implies \quad \bf \therefore \quad D=-8}$

Now , Calculating the vertex ;

${:\implies \quad \sf Vertex =\bigg\{\dfrac{-(-10)}{2\times 1},\dfrac{-(-8)}{4\times 1}\bigg\}}$

${:\implies \quad \sf Vertex = \left(\dfrac{10}{2},\dfrac{8}{2}\right)}$

${:\implies \quad \bf \therefore \quad Vertex = (5,2)}$

Hence , The vertex of the parabola is at (5,2)

Note :- As the Discriminant < 0 . So , the equation will have imaginary roots .

Refer to the attachment for the graph as well .

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3 years ago

The equation x power 3 - 6x=72 has a solution between 4 and 5.

Klio2033 [76]

Answer:

x power 3(x cube)- 6x -72=0 there it has change to quadratic equation x power 3(x cube)-12x+6x-72=0

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3 years ago

A group of students is taking a CPR course. The total cost for the course is $275. The room in which the course will be held can

vovikov84 [41]

Answer:

The answer is the option D

the minimum number of students will be $19$

Step-by-step explanation:

Let

x-------> the minimum number of students

we know that

$15x\geq 275$ ------> inequality that represent the situation

The domain of the inequality is the interval-------> $[0,24]$

Solve for x

Divide by $15$ both sides

$x\geq 275/15\\ x\geq 18.33$

so

the minimum number of students will be $19$

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