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Ad libitum [116K]
3 years ago
6

Please help me fast. ​

Mathematics
1 answer:
Kaylis [27]3 years ago
7 0
This could be written as y= -2x+6 in standard form
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Andreas93 [3]
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3 years ago
I need to do this but give me a answer it says "write a real world problem that involves Multiplying a fraction and a whole numb
Sophie [7]
Answer:

You are building your kids a small desk, where the width is 1/3 of its length. The length of the desk is 6 feet. What is it’s width? What is the area of the desk?
7 0
3 years ago
What is the range of the function f(x) = 3x2 + 6x – 8?
timama [110]

Answer:

Range is {y | y ≥ –11}


Step-by-step explanation:

This is quadratic equation.

<em>A quadratic equation's range can be found if we find the vertex.</em>

For quadratic equations that have a positive number in front of  x^{2} , it is upward opening and thus <u>all the numbers greater than or equal to the minimum value of vertex is the range.</u>


The formula for vertex of a parabola is:

Vertex =  (-\frac{b}{2a}, f(-\frac{b}{2a})

Where,

  • a is the coefficient of x^{2}
  • b is the coefficient of x

From our equation given, a=3  and  b=6

Now, x coordinate of vertex is  x=-\frac{b}{2a}\\x=-\frac{6}{(2)(3)}\\x=-\frac{6}{6}\\x=-1

y coordinate of the vertex IS THE MINIMUM VALUE that we want. We get this by plugging in the x value [ x=-1 ] into the equation. So we have:

3(-1)^{2}+6(-1)-8\\=-11


Hence, the range would be all numbers greater than or equal to -11  

Third answer choice is the right one.


6 0
3 years ago
Read 2 more answers
10. Write an equation to find the<br> value of x.
vitfil [10]

Answer:

x = (180 - 68) / 2

Step-by-step explanation:

x = 56°

6 0
2 years ago
Read 2 more answers
Complete the solution of the equation. Find the<br> value of y when x equals 24.<br> -2x + 2y = -56
bixtya [17]

Answer:

<h2>For x = 24, y = -4.</h2>

Step-by-step explanation:

Put\ x=24\ to\ the\ equation\ -2x+2y=-56,\ and\ solve\ it\ for\ y:\\\\-2(24)+2y=-56\\\\-48+2y=-56\qquad\text{add 48 to both sides}\\\\-48+48+2y=-56+48\\\\2y=-8\qquad\text{divide both sides by 2}\\\\\dfrac{2y}{2}=\dfrac{-8}{2}\\\\y=-4

5 0
3 years ago
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