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IRINA_888 [86]
3 years ago
9

Is a plane that is perpendicular to the base of a cube and slices thru the cube a cross section or an intersection and what figu

re does it form? Thanks!
Mathematics
1 answer:
Alexeev081 [22]3 years ago
5 0
Download got it and see if it answer faster !
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A square base of a pyramid has the dimensions 5 yards
AfilCa [17]

Answer:

145 yd²

Step-by-step explanation:

There will be dour triangular faces. For a triangle, area is given as

A=½bh where b is base and h is height. The base will be 5 yards and h is 12 yards hence for one triangular face, area will be ½*5*12=30 yd²

Since they are four similar triangles, area of triangular faces will be 30*4=120 yd²

The surface area of a square base is given by

A=a*a=a² where a is the dimension of one side. Given that the meaurement is 5 yards then A=5²=25 yd²

Total area will be the sum of triangular and square faces hence 120+25=145 yd²

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3 years ago
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Answer:

no i think you are just unlucky :)

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Wanda rode her bike 5km the first day and she rode her bike 10,000m the second day. How many meters, in total, did Wanda ride in
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there are one thousand (1,000) meters in a kilometer. So, 5,000 plus 10,000 is 15,000 meters.

Step-by-step explanation:

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3 years ago
Find the value of x. Then find the angle measures of the polygon.
iogann1982 [59]

Answer:

120+100+120+120+x+x+10=720 (given)

470+2x=720

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Step-by-step explanation:

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Write a quadratic function f whose zeros are 13 and 2.
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(x-13)(x+3)  = f(x) = x^2 -10x -39

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