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2 years ago

Which symbol is correct to compare the numbers – 2.8 and -1.5?

Mathematics

1 answer:

kodGreya [7K]2 years ago

8 0

Answer:

I think c is < that would be the answer

Step-by-step explanation:

The lower the negative number the higher it is

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If <img src="https://tex.z-dn.net/?f=x-12%5Csqrt%7Bx%7D%20%2B36%3D0" id="TexFormula1" title="x-12\sqrt{x} +36=0" alt="x-12\sqrt{

Elis [28]

Answer:

x = 36

Step-by-step explanation:

$x - 12\sqrt{x} + 36 = 0$

Subtract x and 36 from both sides.

$-12\sqrt{x} = -x - 36$

Divide both sides by -1.

$12\sqrt{x} = x + 36$

Square both sides.

$144x = x^2 + 72x + 1296$

Subtract 144x from both sides.

$0 = x^2 - 72x + 1296$

Factor the right side.

$0 = (x - 36)^2$

$x - 36 = 0$

$x = 36$

Since the solution of the equation involved squaring both sides, we musty check the answer for possible extraneous solutions.

Check x = 36:

$x - 12\sqrt{x} + 36 = 0$

$36 - 12\sqrt{36} + 36 = 0$

$36 - 12\times 6 + 36 = 0$

$36 - 72 + 36 = 0$

$0 = 0$

Since 0 = 0 is a true statement, the solution x = 36 is a valid solution.

6 0

3 years ago

I need help ASAP will mark the brainliest

IgorLugansk [536]

Answer:

addition property

Step-by-step explanation:

7 0

3 years ago

Which graph is NOT a function?

Solnce55 [7]

Step-by-step explanation:

Use the vertical line test to determine whether or not a graph represents a function. If a vertical line is moved across the graph and, at any time, touches the graph at only one point, then the graph is a function. If the vertical line touches the graph at more than one point, then the graph is not a function.

my only advice

5 0

3 years ago

Read 2 more answers

Complete the first table so that f(x) is a function.

netineya [11]

For f(x) to be a function, the value of x should not be repeated. That is no x value can be more then once.

So the required table is

$x \ \ \ \ \ f(x) \\ -1 \ \ \ \ \ \ 2 \\ 2 \ \ \ \ \ -8 \\ 6 \ \ \ \ \ -12$