Please help thank you very much.

Mathematics

1 answer:

Archy [21]3 years ago

8 0

Hello!

Since angle AFB is congruent to angle DFE we know that the angles that use the midpoint are also congruent

The answer is D) angle BFC is congruent to angle DFC

Hope this helps!

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Solve for X<br><br> X^2 + 43 = 572

nordsb [41]

Answer:

Step-by-step explanation:

x^2 + 43 = 572

x^2 = 572 - 43

x^2 = 529

( 529 = 23 x 23 = 23^2 )

x^2 = 529

x^2 = 23^2

x = 23

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3 years ago

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3/4 ploted on a number line

Gwar [14]

Answer:

3/4 = 0.75

- 1 - 2 - 3 - 4

3/4 so its 321 colored

Step-by-step explanation:

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For the function F(x) = 2x^2-31x-51, where is the function increasing and positive? ( for all X values greater than what number

Ulleksa [173]

ANSWER
$x \: > \: 17$

EXPLANATION

The given function is

$f(x) = 2 {x}^{2} - 31x - 51$
Let us split the middle term to get,

$f(x) = 2 {x}^{2} -34x + 3x- 51$

We factor to obtain,

$f(x) = 2x(x - 17) -+3(x - 17)$

$f(x) = (2x -+3)(x -17)$

Let us find the zeros of f(x),

$(2x +3)(x - 17) = 0$

Either

$2x +3 = 0 \: or \: x - 17 = 0$
$x = -\frac{3}{2} \: or \: x = 17$

We need to find the x-value of the vertex, which is the midpoint of the x-intercepts.

This gives us,

$\frac{- \frac{3}{2} + 17}{2} = 7.75$
Hence the axis of symmetry of the parabola has equation,

$x = 7.75$

Since the given function has minimum turning point, it will decrease and then increase.

The function will be increasing for
$x \: > \: 7.75$

The function will be increasing and positive for
$x \: > \: 17$