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malfutka [58]
2 years ago
12

Round 6254 correct to 1 signature figure

Mathematics
1 answer:
Marizza181 [45]2 years ago
7 0

Answer:

6000

Step-by-step explanation:

  1. 6.25×10 3x
  2. 6.3×10 3x
  3. 6×10 3×

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Which of the following represents the difference between the central angles of the above regular polygons? Round to the nearest
solong [7]

Answer:

its 15.43

Step-by-step explanation:

you didnt put a picture for the polygons but im pretty sure this is from math nation.

6 0
3 years ago
PLEASE HELP ASAP!!!!!!
Katena32 [7]
1. - Since a cube is all the same lengths on all sides you would want to find the area of one of the sides. You would do this by multiplying 3.8 by 3.8.
3.8*3.8=14.44
Since you have six faces on a cube you want to multiply this by 6.
14.44*6=86.64
So your answer for 1. is 86.64 in^2 of glass

3. Same thing as number one. Find the face of one side:
1 1/3*1 1/3 is about 1.7777
Multiply this by the six faces. 
1.7777*6 is about 10.66666
So your answer for 3. is about 10.666 (repeating) in^2

4. For this one, you want to follow the surface area formula for a cylinder. Which is - A=2πrh+2πr^2
When you put all your numbers in it would look like this: 
2*3.14*2*22+2*3.14*2^2
Once you do that equation you will get 301.44
So that should be your answer 301.44 cm^2

Hope this helps!
8 0
3 years ago
2. Solve the following system of equations using substitution.
SOVA2 [1]
First, make sure you convert both equations into standard form. Your two equations would be 2x+2y=38 and -x+y=3. Then multiply the bottom by 2. So your new equations would be 2x+2y=38 and -2x+2y=6. The x would cancel out and you would continue solving for y. y would equal 11 and then you would plug it back into an original equation. When you plug and solve for x, you would get x=8. So your answer would be (8,11)
4 0
3 years ago
Recipe calls for two eggs for every half cup of sugar if you use 2 1/2 cups of sugar how many eggs will you need
Gwar [14]
I think you would need ten eggs for 2 1/2 cups of sugar. I might be wrong
5 0
2 years ago
Read 2 more answers
PLS HELP GIVEING BRANLIEST
Umnica [9.8K]

Answer:

25

Step-by-step explanation:

2 to the power of 4 + 16

3 to the power of 2 = 9

so, 16 + 9 is 25...

8 0
2 years ago
Read 2 more answers
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