3 years ago

Plzzzzz help i really need it guys thxxxxxxxx!

Mathematics

1 answer:

Alex777 [14]3 years ago

7 0

Answer:

11. m=-1/4 b=5 equation is y=-1/4x+5

12.m=4/3 b=0 equation is y=4/3x

Step-by-step explanation:

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The cube of a number equals 36 times that number.find the number.

labwork [276]

Answer
The answer is 36.
Explanation:
Let the unknown number be x

x^3=x*36
or, x^3/x=36
or, x^2=36
or, x=6
.•. x=36

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3 years ago

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Which of the following expressions are equivalent to 6 + (-4) - 5 ?

Gekata [30.6K]

Answer:

Step-by-step explanation:

A and C gives same result....

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3 years ago

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Hi, can someone please help, and possibly explain the answer please.

mr_godi [17]

Answer:

$x=\frac{-(-2)\±\sqrt{(-2)^2-4(3)(0)} }{2(3)}$

Step-by-step explanation:

Quadratic formula: $x=\frac{-b\±\sqrt{b^2-4ac} }{2a}$ when the equation is $0=ax^2+bx+c$

The given equation is $1=-2x+3x^2+1$ . Let's first arrange this so its format looks like $y=ax^2+bx+c$ :

$1=-2x+3x^2+1$

$1=3x^2-2x+1$

Subtract 1 from both sides of the equation

$1-1=3x^2-2x+1-1\\0=3x^2-2x+0$

Now, we can easily identify 3 as a, -2 as b and 0 as c. Plug these into the quadratic formula:

$x=\frac{-b\±\sqrt{b^2-4ac} }{2a}\\x=\frac{-(-2)\±\sqrt{(-2)^2-4(3)(0)} }{2(3)}$

I hope this helps!

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3 years ago

Jackson can lay 6000 ft² of tile in 3 h.

melamori03 [73]

Your answer is C. 2000 ft^2/h.

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4 years ago

Does anyone know this? Also, can you explain how you get the answer? cuz I have 10 other questions same as this.

Nezavi [6.7K]

The answer is 36

Multiply each side by 9

9 times for and 9 times n/9

The n/9 will cancel out so you are left with n= 9 times 4

This comes to 36

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3 years ago