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-BARSIC- [3]
3 years ago
14

PLEASE HELP ILL GIVE A BRAINLIEST

Mathematics
1 answer:
zavuch27 [327]3 years ago
8 0
Guessing you meant by a factor of 3... not 13 since none of the solutions are anywhere close to that.

to compress is to smoosh.
It's the equation of a line. If you smoosh it vertically the line becomes flatter and the slope smaller. 

Essentially g(x) = 3f(x)
3y = 12x + 6
y = (12/3)x + 6/3
y = 4x + 2

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A solid lies between planes perpendicular to the​ x-axis at x = -2 and x = 2. The​ cross-sections perpendicular to the​ x-axis b
icang [17]

Answer:

V = 128π/3 vu

Step-by-step explanation:

we have that: f(x)₁ = √(4 - x²);  f(x)₂ = -√(4 - x²)

knowing that the volume of a solid is  V=πR²h, where R² (f(x)₁-f(x)₂) and h=dx, then

dV=π(√(4 - x²)+√(4 - x²))²dx;  =π(2√(4 - x²))²dx ⇒

dV= 4π(4-x²)dx , Integrating in both sides

∫dv=4π∫(4-x²)dx , we take ∫(4-x²)dx and we solve

4∫dx-∫x²dx = 4x-(x³/3) evaluated -2≤x≤2 or too 2 (0≤x≤2) , also

∫dv=8π∫(4-x²)dx evaluated 0≤x≤2

V=8π(4x-(x³/3)) = 8π(4.2-(2³/3)) = 8π(8-(8/3)) =(8π/3)(24-8) ⇒

V = 128π/3 vu

8 0
3 years ago
Cindy took a multiple choice test. The ratio of number of problems Cindy got incorrect to the number of problems she got correct
Nezavi [6.7K]

Answer:

42

Step-by-step explanation:

Divide 14/2 *6 to get your ratio.

Hope this helps!

:)

4 0
3 years ago
Read 2 more answers
Create an equation to represent the following situation: I am selling rings for $2 and pins for $1. I want to make $40. Let x re
sleet_krkn [62]
An example of an equation to represent the equation could be 2x+ y = 40, where x equals the number of rings, and y the number of pins
6 0
3 years ago
Un hotel tiene 120 habitaciones, entre dobles i individuales. Si la cuantidad de camas son de 195, cuantas habitaciones dobles h
Kamila [148]

Answer:

45 individuales y 75 dobles.

Step-by-step explanation:

Para saber esto, debemos plantearlo por medio de un sistema de ecuaciones. En este caso las incógnitas serían el tipo de habitación, es decir, una será la habitación doble, y la otra la individual.

X: habitaciones individuales

Y: habitaciones dobles

Sabiendo eso, sabemos que sumando ambos tipos de habitaciones, dan el total de 120, por tanto, la primera ecuación será:

x + y = 120  (1)

Para la segunda ecuación, sabemos que hay 195 camas en total, que deben distribuirse en los dos tipos de habitaciones, en una habitación doble van 2 camas, mientras que en una individual va 1, por tanto:

x + 2y = 195   (2)

Ahora que tenemos las dos ecuaciones, solo resta resolverlo por alguno de los métodos conocidos de sistema de ecuaciones. En este caso, como las ecuaciones son sencillas podemos usar el método de reducción.

En la siguiente foto, está el procedimiento.

Suerte

3 0
3 years ago
WILL MARK BRAINLIEST!!! HELP!​
mote1985 [20]

Answer:

C. as t^2+t +t =t^4  + 9^2-3+3=9^2 = t^3 - 81 we are forced to -81 as we would be required to move t^3 first to the other side before  -81 therefore if t is a perfect square of 4 and 9 is a perfect square too we can use. Since both terms are perfect squares, factor using the difference of squares formula,

a2−b2=(a+b)(a−b)where a=xand b=9.(x+9)(x−9)

Step-by-step explanation:

8 0
3 years ago
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