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kondaur [170]
3 years ago
9

If the diameter of a sphere is 1 meter, then what is its surface area? Leave your answer in terms of π= 3.14

Mathematics
2 answers:
IgorLugansk [536]3 years ago
4 0
Surface area of a sphere = 4 pi r^2

when r = 1/2  meter  ( because diameter = 2r = 1)  the surface area
              
  =   4 * 3.14 * 0.5^2  =  3.14 square meters
umka21 [38]3 years ago
3 0

surface area = 4 x pi x r^2

 diameter = 1 so radius = 1/2 = 0.5

4 x 3.14 x 0.5^2 = 3.14 meters^2

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A right triangle is ____ a scalene triangle.<br> Always, sometimes, or never
konstantin123 [22]

Answer: Sometimes

Step-by-step explanation:

This is a very tricky question. We know that in an isosceles triangle, two sides are the same. Because of this, we know that the right angle is always 90 degrees, and the other sides would be 45 degrees each because all triangles add up to 180 degrees. A right triangle could also be scalene, meaning none of the sides are the same, for example a scalene triangle could have sides of 44, 46, and 90 degrees. Rest assured, a right triangle will never be equalateral. Hope this helps :) Merry Christmas

4 0
3 years ago
3(x-5)-15=48 how would this be solved?
natita [175]
<span>Problem: 3(x-5)-15=48

1. Multiply what's in the parenthesis
3x-15-15=48

2. Combine like terms
3x-30=48

3. Switch the sides
3x=48+30
3x=78

4. Divide

x=26

Answer: 26

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5 0
3 years ago
Please answer correctly! I will mark you as Brainliest!
atroni [7]

Answer:

402 in^3

Step-by-step explanation:

We know that the volume of a sphere = 4 /3 πr^3

Variables:

r = 2in

Solve for 1 toy:

4 /3 πr^3

4/3 π (2in)^3

= 33.51 cubic inches for 1 toy

For 12 toys:

33.51 in^3 * 12 toys = 402.12 in^3 of water for all the toys

Round:

402.12 in^3 ≈ 402 in^3 of water

Please mark brainliest if this helped!

Please mark brainliest if this helped!

6 0
3 years ago
Mathematical definition of a group.
Irina-Kira [14]

when u have a bunch of numbers together

7 0
4 years ago
What is the value of y?<br> Please enter your answer, as an exact value
Hatshy [7]
Tan (60) = y/ 5
y = tan(60) * 5
and you know tan(60) = √3
so 
y = 5√3

answer
5√3 (exact value)
4 0
3 years ago
Read 2 more answers
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