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Bess [88]
2 years ago
8

A square pyramid and a cube have the same total surface area. The width of the cube is 8 centimeters. The base of the pyramid is

equal to base of the cube. What is the slant height of the square pyramid?
Mathematics
1 answer:
azamat2 years ago
6 0

Answer:

Step-by-step explanation:

surface area of cube = 6×8² = 384 cm²

lateral area of pyramid = surface area of pyramid - base area

= 384 - 8²

= 320 cm²

area of triangular face = 320/4 = 80 = ½(base)(slant height) = ½(8)(slant height)

slant height = 20 cm

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Cual es la fracción de 0.7
kakasveta [241]

Answer:

La fracción de 0.7 es 7/10

8 0
3 years ago
John has a map that shows a rectangular park with a circular pond. The scale on the map is 114 cm : 8 yd. On the map, the width
Ivenika [448]

Answer:

The area of the park is 119,966.14 cm if needed to round it would be 119,966 cm.

Step-by-step explanation:

first we would use A=length x width

so a = 614 cm x 212 cm = 130,168 cm

now we find the area of the pond using a= pi x r^2

the diameter is 114 cm so we cut that in half to find the radius which is 57 cm

a = pi x 57^2

a= 3.14 x 3249

a= 10201.86 cm

now we subtract the area of the pond from the whole area

130,168 - 10201.86 = 119,966.14 cm

The area of the park is 119,966.14 cm if needed to round it would be 119,966 cm

4 0
2 years ago
Which statement is true about the data set?
lisabon 2012 [21]
G is correct.
(12+34+27+27+36+42+15+28+32+47+30):11=30
The mean is 30.
5 0
3 years ago
27m^3+64n^3
Vlad [161]
<span>27m^3+64n^3 is an example of the sum of two cubes.

There's a factoring formula for that:  a^3 + b^3 = (a + b)(a^2 - ab + b^2.

Thus,  </span><span>27m^3+64n^3  = (3m + 4n) ( 9m^2 - 12mn + 16n^2).

Could also find this out by dividing 3m+4n into  </span><span>27m^3+64n^3.</span>
8 0
3 years ago
HEB sells mangos for $2.50 each. Costco Sells them for $1.75 each but has a
Gnoma [55]

Answer:

$20.833

Step-by-step explanation:

HEB:

Total cost = 2.50m

Costco:

Total cost = 50 + 1.75m

Where,

m = number of mangoes

HEB = Costco

2.50m = 50 + 1.75m

2.50m - 1.75m = 50

O.75m = 50

m = 50 / 0.75

= $20.833

6 0
3 years ago
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