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andreev551 [17]
3 years ago
13

Which letter labels a vertex? A only B C Аand D

Mathematics
1 answer:
Vilka [71]3 years ago
7 0

Answer:

C

Step-by-step explanation:

A and D correspond to line segments while B is for plane. Correct me if I'm wrong. I hope it helps.

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120 by the questiom we have tl do plus or not

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0.425 in simplest form
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Answer:


42.5%, 425/1000, 42.5/100, 4.25/10


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In right triangle RST, if cos R = 0.6, what is the length of RT?
svet-max [94.6K]

Answer:

1) In right triangle ABC with <A = 90, the ratio for sinB= 5/13. 2) Given ... a) sin (40) = 32/CA b) Cos(50) = 32/ CA ... In triangle RST, angle R is a right angle. If TR = 6 . and ... Determine the length of AC to the nearest 10th.

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3 years ago
) Set up a double integral for calculating the flux of F=3xi+yj+zk through the part of the surface z=−5x−2y+2 above the triangle
Fynjy0 [20]

The surface (call it S) is a triangle with vertices at the points

x=0,y=0\implies z=2\implies(0,0,2)

x=0,y=2\implies z=-2\implies(0,2,-2)

x=2,y=0\implies z=-8\implies(2,0,-8)

Parameterize S by

\vec s(u,v)=(1-v)(2,0,-8)+v\bigg((1-u)(0,2,-2)+u(0,0,2)\bigg)=(2-2v,2v-2uv,-8+6v+4uv)

with 0\le u\le1 and 0\le v\le1. Take the normal vector to S to be

\vec s_v\times\vec s_u=(20v,8v,4v)

Then the flux of \vec F across S is

\displaystyle\iint_S\vec F(x,y,z)\cdot\mathrm d\vec S=\int_0^1\int_0^1\vec F(x(u,v),y(u,v),z(u,v))\cdot(\vec s_v\times\vec s_u)\,\mathrm du\,\mathrm dv

=\displaystyle\int_0^1\int_0^1(6-6v,2v-2uv,-8+6v+4uv)\cdot(20v,8v,4v)\,\mathrm du\,\mathrm dv

=\displaystyle8\int_0^1\int_0^1(11v-10v^2)\,\mathrm du\,\mathrm dv=\boxed{\frac{52}3}

8 0
4 years ago
Darcia made a snack mix using the following recipe.
dalvyx [7]

Answer:

1 4/5 = peanuts

1 1/5 = raisins

3/5 = chocolate chips

Step-by-step explanation:

3 ÷ 1 1/4 = 2 2/5

2 2/5 × 3/4 = 1 4/5

2 2/5 × 1/2 = 1 1/5

2 2/5 × 1/4 = 3/5

7 0
4 years ago
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