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3 years ago

Solve 2 + 1/6y = 3x + 4 for y.

Mathematics

1 answer:

ruslelena [56]3 years ago

5 0

The answer is y=18x+12

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What is the answer for <br> - 4= 5+f

AnnyKZ [126]

Answer:

Step-by-step explanation:

-4 = 5 + f....we want to isolate f, so subtract 5 from both sides

-4 - 5 = 5 - 5 + f

-9 = f <===

4 0

2 years ago

The F ratio increases as _________. Group of answer choices the variability between means increases relative to the variability

Alex Ar [27]

Answer:

The F-Ratio increases as, the variability between means increases relative to the variability within groups

Step-by-step explanation:

The F-Ratio is given as follows;

$F-Ratio = \dfrac{MS_{between}}{MS_{within}}$

Where;

$MS_{between}$ = The variance between groups

$MS_{within}$ = The variance within groups

Therefore, as the F-Ratio increases, the variability between groups (means) increases relation to the variability within groups

3 0

2 years ago

Without using a calculator, determine the number of real zeros of the function

kumpel [21]

The number of real zeros of the function f(x) = x3 + 4x2 + x − 6 is 3

<h3>How to determine the number of real zeros?</h3>

The equation of the function is given as:

$f(x) = x^3 + 4x^2 + x - 6$

Expand the function

$f(x) = x^3 + 5x^2 - x^2 + 6x - 5x - 6$

Reorder the terms

$f(x) = x^3 + 5x^2 + 6x - x^2 - 5x - 6$

Factor the expression

$f(x) = x(x^2 + 5x + 6) -1(x^2 + 5x + 6)$

Factor out x -1

$f(x) = (x^2 + 5x + 6)(x -1)$

Expand

$f(x) = (x^2 + 3x + 2x + 6)(x -1)$

Factorize

$f(x) = [x(x + 3) + 2(x + 3)](x - 1)$

Factor out x + 2

$f(x) = (x + 3)(x + 2)(x- 1)$

The function has been completely factored and it has 3 linear factors

Hence, the number of real zeros of the function f(x) = x3 + 4x2 + x − 6 is 3