Ejercicios de velocidad angular

Mathematics

1 answer:

fredd [130]3 years ago

3 0

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A school had an election where the candidates received votes in the ratio of 1:2:3. If the winning candidate received 210 votes,

disa [49]

Now, let's say the total of folks voting were "x".

now, if we divide "x" even into "1+2+3" pieces, we'd get some quotient value, the first candidate took 1 of those even pieces, the second candidate took 2 of those even pieces, and the winning candidate took 3 of them, thus winning anyway.

let's do the division, keeping in mind that the winning candidate had 210 votes.

$\bf \cfrac{x}{1+2+3}\implies \cfrac{x}{6}\implies \stackrel{\textit{winning candidate pieces}}{3\cdot \cfrac{x}{6}}=\stackrel{\textit{winning candidate votes}}{210}
\\\\\\
\cfrac{3x}{6}=210\implies \cfrac{x}{2}=210\implies x=420$

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3 years ago

Use a graphic calculator to determine the intervals on which (x)=2x^3-3x-1 is increasing or decreasing.

WITCHER [35]

Answer:

im not sure of the answer but hopefully this will help

Step-by-step explanation:

basically the intervals in which its increasing and decreasing depend on the leading coefficient and the vertex

since this is opening up, the intervals will be

the function is increasing (x coord of vertex, infinity)

the function is decreasing (-infinity, x-coord of vertex)

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3 years ago

What is the distance between A and B? Round your answer to the nearest hundredth.

Reika [66]

An extension of the Pythagorean Theorem results in what is the so-called "distance formula".

d^2=(x2-x1)^2+(y2-y1)^2, in this case you have points (-2,4) and (2,0) so:

d^2=(2--2)^2+(0-4)^2

d^2=4^2+(-4)^2

d^2=16+16

d^2=2*16

d=√32 units

d=√(2*16)

d=4√2 units

d≈5.66 units (to nearest hundredth of a unit)

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3 years ago

What type of solution does the system of linear equations have?

Makovka662 [10]

it has no solution

because the whole thing will cancel itself out hopes that helps

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3 years ago

Read 2 more answers

Please help me answer this question. I will give 15 points.

hichkok12 [17]

Answer:

acute

Step-by-step explanation:

Evaluate the angle C = (11x + 85)/3 at x = 13:

C(13) = (143 + 85)/3, or 76 degrees. This is an acute angle (more than 0 and less than 90 degrees).

6 0

3 years ago