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melamori03 [73]
2 years ago
14

1 dozen of eggs for Rs 84 or 18 eggs for Rs 117 . Which is the best buy in the following cases. full explanation

Mathematics
1 answer:
elixir [45]2 years ago
8 0

Answer:

18 eggs for Rs 117

Step-by-step explanation:

Divide 84 by 12 (Dozen = 12) and you get 7 which means every egg is for Rs. 7

Divide 117 by 18 and you get 1.39 which means every egg is for Rs. 1.39

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Which expression represents a positive number? A. -9.8 x (-23.5) B. 9.8 x (-23.5) C. 23.5 x (-9.8) D. -23.5 x 9.8
Temka [501]

Answer: Option A

Step-by-step explanation: if we multiply two negative numbers we get a positive result, pls give brainliest

7 0
3 years ago
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A welder is making a metal cube. The edges of the cube will each measure115 centimeters. What will be the surface area of the me
zepelin [54]
79,350 cm

Explanation:

115x115=13,225 (this is the area of one side)

13,225x6=79,350(a cube has 6 sides)
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3 years ago
Draw two lines with a slope of 1 / 2. What do you notice about the lines?
patriot [66]

Answer:

The lines would be parallel.

Step-by-step explanation:

lines with the same slope are parallel.

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4(4)<br> 4(5)<br> 4(6)<br> 4(7)<br> 4(8)<br> 4(9)<br> 4(10)
lakkis [162]

Answer:

16,20,24,28,32,36,40

Step-by-step explanation:

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3 years ago
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) 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
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