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2 years ago

If C{1,2} and D={4,5,6}, find C×D by tabulation method. i need for exam

Mathematics

1 answer:

Katarina [22]2 years ago

4 0

Answer:

Step-by-step explanation:

C * D = {(x,y): x is an element of C and y is an element of D.}

C * D = { (1,4), (1,5), (1,6), (2,4), (2,5), (2,6) }

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The expression 5n+2 can be used to find the total cost in dollars of bowling where n us is the number of games bowled and 2 repr

sukhopar [10]

Plug in the known variables.

5n + 2 n = number of games bowled

5(3) + 2 = 15 + 2 = 17

8 0

2 years ago

A) Use the method of cylindrical shells to find the volume of the solid obtained by rotating the region bounded by the given cur

Leno4ka [110]

(a) See the attached sketch. Each shell will have a radius y chosen from the interval [2, 4], a height of x = 2/y, and thickness ∆y. For infinitely many shells, we have ∆y converging to 0, and each super-thin shell contributes an infinitesimal volume of

2π (radius)² (height) = 4πy

Then the volume of the solid is obtained by integrating over [2, 4]:

$\displaystyle 4\pi \int_2^4 y\,\mathrm dy = 2\pi y^2\bigg|_{y=2}^{y=4} = 2\pi (4^2-2^2) = \boxed{24\pi}$

(b) See the other attached sketch. (The text is a bit cluttered, but hopefully you'll understand what is drawn.) Each shell has a radius 9 - x (this is the distance between a given x value in the orange shaded region to the axis of revolution) and a height of 8 - x ³ (and this is the distance between the line y = 8 and the curve y = x ³). Then each shell has a volume of

2π (9 - x)² (8 - x ³) = 2π (648 - 144x + 8x ² - 81x ³ + 18x ⁴ - x ⁵)

so that the overall volume of the solid would be

$\displaystyle 2\pi \int_0^2 (648-144x+8x^2-81x^3+18x^4-x^5)\,\mathrm dx = \boxed{\frac{24296\pi}{15}}$

I leave the details of integrating to you.

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2 years ago

Given points A (-5, 6) and B (7, -1), find: Distance, Midpoint, and Slope

a_sh-v [17]

We have that
points A (-5, 6) and B (7, -1)

Part A)
find the distance
d=√[(y2-y1)²+(x2-x1)²]-------> d=√[(-1-6)²+(7+5)²]----> d=√(49+144)
d=√193 units

Part B)
find the midpoint
ABx=(x1+x2)/2-----> (-5+7)/2-----> ABx=1
ABy=(y1+y2)/2-----> (-1+6)/2-----> ABy=2.5

the midpoint is (1,2.5)

Part C)
find the slope
m=(y2-y1)/(x2-x1)-----> m=(-1-6)/(7+5)--------> m=-7/12

the slope m=-7/12

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3 years ago

REALLY NEED ALGEBRA HELP please

lisabon 2012 [21]

A. The discriminant is 81. The formula is b^2 - 4ac.

B. 2 answer and both will be rational due to the fact that the discriminant is a perfect square.

C. Solutions are 1/2 and -4. You can find using the quadratic formula.

8 0

3 years ago

F(x) = x². What is g(x)? A.g(x)=(1/3x)^2 B:g(x)=1/3x^2 C:g(x)=1/9x^2 D:g(x)=3x^2

lana [24]

Answer:

Step-by-step explanation:

We know that 3² = 9, so for g(x) to pass through (3,3), we need to multiply x² by 1/3, giving option B.

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1 year ago

If C{1,2} and D={4,5,6}, find C×D by tabulation method. i need for exam​

If C{1,2} and D={4,5,6}, find C×D by tabulation method. i need for exam