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svlad2 [7]
4 years ago
9

Find a 3-by-3 magic square using the numbers 6, 8, 10, 13, 15, 17, 20, 22, and 24.

Mathematics
1 answer:
bezimeni [28]4 years ago
6 0
Answer:

Explanation:

I added a picture:

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How many 1/2 cm cubes will fit in a cube with a side length of 8 cm?
torisob [31]

Answer:

4096

Step-by-step explanation:

0.5×0.5×0.5=0.125cm³

8×8×8=512cm³

512÷0.125=4096

7 0
3 years ago
The lengths of the sides of the base of a right square pyramid are 2 m, and the slant height of the pyramid is 9 m. If the sides
emmasim [6.3K]

Answer:

Answer:

height h = 9 m

slant height s = 9.0553851381374 m

side length a = 2 m

lateral edge length e = 9.1104335791443 m

1/2 side length r = 1 m

volume V = 12 m3

lateral surface area L = 36.22154055255 m2

base surface area B = 4 m2

total surface area A = 40.22154055255 m2

Step-by-step explanation:

4 0
3 years ago
A missionary used his plane to take an injured girl 855 kilometers to the hospital. If he flew at an average speed of 171 kilome
melisa1 [442]

Step-by-step explanation:

171 km/h

travel distance = 855 km

855 / 171 = 5 hours

it took him 5 hours to fly the 855 km (theoretically to the hospital).

normally, with a plane, you can't land on or at a hospital. you would need a helicopter to be able to do that.

so, he could only fly to a nearby airport, and then travel from there to the hospital. but we have no information about that.

5 0
2 years ago
Evaluate the expression: |8| - 2 x |-3| + 4<br><br> 6<br> 22<br> 10<br> 42
Hoochie [10]
The answer is 6 because the absolute value of 8 is 8 and the absolute value of -3 is 3 so using BEDMAS we get 8 - (2 x 3) + 4 = 6
7 0
3 years ago
Read 2 more answers
Could anyone please help?<br>I'm not the best at maths.​
Gre4nikov [31]

Answer:

sin 70 degrees = 0.9396, 0.9396*3 approximately equal to the 2.82cm  one area is 6*2.82/2=8.46cm²

Step-by-step explanation:

  1. Known this square covers an area of 36 cm square, so its length is 6 cm.
  2. so, we know that the lower side of the triangle is six, half of it is 3 cm.
  3. We make a triangle, and then the Angle of the triangle is 70 degrees, so, we can use the sin is to use bottom neighborhood is sin70 degrees = hemline is present in addition to 3cm.
5 0
3 years ago
Read 2 more answers
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