What expression is equivalent to 81 1/3

2 answers:

6 0

This expression above which would be $\left[\begin{array}{ccc}81 \frac{1}{3} \end{array}\right]$ , we would practically want to convert this expression either bigger, which a lower number, but also, we could make this expression bigger, but within a bigger fraction form.

→ $Your \ answer: \ \bf{\frac{244}{3} }$ ← <span>✔</span>

This would practically be an improper fraction, but however, this would also be equivalent to the expression written above. If we were to just convert this to a proper fraction, this however, would just be exactly the same fraction, just in a different form.

Aleksandr-060686 [28]3 years ago

3 0

It’s the first one 3^3 square root 3

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Which values of x are solutions to the inequality?

Blababa [14]

Answer:

B. $x=-210$

D. $x=-201$

Step-by-step explanation:

Given:

The inequality for 'x' is given as:

$x$

The above inequality tells us that, the value of the variable 'x' is less than -200.

-200 is a negative number. So, for a negative number, the larger the value of the number, the smaller the number is.

Example: -2 is less than -1 although 2 has a greater magnitude than 1.

Therefore, the numbers that are less than -200 are -210 and -201.

So, the values of 'x' that satisfy the given inequality are -201 and -210

Thus, the correct options are (B) and (D).

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Find the quadratic function y=f(x) whose graph has a vertex (−3,4) and passes through the point (−7,0). Write the function

olganol [36]

Answer:

Step-by-step explanation:

This is a parabola since a quadratic is a parabola. The standard form for a parabola is y = ax² + bx + c

but before we do that, we will use the vertex form, since it will make our work easier at the beginning.

First and foremost, when we plot the vertex and the given point, the vertex is higher up than is the point; that means that this parabola opens upside down, and its vertex form will be

y=-|a|(x - h)² + k

The absolute value is out in front of the a, so we know that the value of a is positive, but the quadratic itself is negative (upside down) and we will find that math takes care of that negative that needs to be out front. So we need to solve for a by filling in the x, y, h, and k values from the point and the vertex: x = -7, y = 0, h = -3, k = 4

0 = a(-7 - (-3))² + 4 and

0 = a(-7 + 3)² + 4 and

0 = a(-4)² + 4 and

0 = a(16) + 4 and

0 = 16a + 4 and

-4 = 16a so

$a=-\frac{1}{4}$