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2 years ago

X: -1/2 -6(x-2): por favor necesito una respuesta

Mathematics

1 answer:

Drupady [299]2 years ago

8 0

The value of the expression if x = -1/2 is 15

<h3>Function and values</h3>

Given the expression below shown;

f(x) = -6(x - 2)

If the value of x is -1/2, hence;

f(-1/2) = -6(-1/2 - 2)

Simplify

f(-1/2) = -6(-5/2)

f(-1/2) = 6 * 5/2

f(-1/2) = 3 * 5 = 15

Hence the value of the expression if x = -1/2 is 15

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Cube of the number -13/15

Ivan

Answer:

$-\frac{2197}{3375}\\\mathrm{Decimal:\quad }\:-0.65096$

Step-by-step explanation:

$-\left(\frac{13}{15}\right)^3\\\mathrm{Apply\:exponent\:rule}:\quad \left(\frac{a}{b}\right)^c=\frac{a^c}{b^c}\\\left(\frac{13}{15}\right)^3=\frac{13^3}{15^3}\\=-\frac{13^3}{15^3}\\13^3=2197\\=-\frac{2197}{15^3}\\15^3=3375\\=-\frac{2197}{3375}$

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3 years ago

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gregori [183]

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4 years ago

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The Maxair amusement park ride consists of a circular ring that holds 50 riders. Suppose that the center of the ride is at the o

Trava [24]

The approximation of the circumference of the ride is 138 feet to the nearest foot

<h3>How to determine the circumference?</h3>

The given parameters are:

Center (a,b) = (0,0) i.e. the origin
A circular ring, (x,y) = (16,15.1)

The radius is calculated using:

$r = \sqrt{(x - a)^2 + (y -b)^2}$

So, we have:

$r = \sqrt{(16 - 0)^2 + (15.1 -0)^2}$

Evaluate

r = √484.01

Evaluate the square root

r = 22.0

The circumference is calculated using

C = 2πr

So, we have:

C = 2π * 22.0

Evaluate

C = 138

Hence, the approximation of the circumference of the ride to the nearest foot is 138 feet

Read more about circumference at:

brainly.com/question/14283575

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8 0

2 years ago

Determine which equation is belongs to the graph of the limacon curve below.

Hunter-Best [27]

Option a. The equation that is used to show the graph of the limacon is given as r = 1 + 3 sin theta.

<h3>How to solve for the equation</h3>

We have these ppoints [-5,5] by [-5,5]

The limacoin is used to represent a shape that may appear like that of a snail.

This is written in the form of

r = a ± b sin θ

and

r = a ± b cos θ

Given that we have the ± sign, the curve that is at the top of the horizontal; line is the + sign and the one below is the -

If a/b < 1 then a circle is within the circle that was formed as a graph.

Hence from the description that we have given here, the graph has the forms of

r = a + b sin θ

This is the equation that can be used to suit the form r = 1 + 3 sin theta

Hence option a is right.