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Aliun [14]
3 years ago
14

Please help me with 2 questions, it's urgent.

Mathematics
1 answer:
Hunter-Best [27]3 years ago
7 0
Answer for the second question:
5*2 is 10
10 *2 is 20
20*2 is 40
40*2 is 80
80 *2 is 160
That's five hours
160*2 is 320
320*2 is 640
640*2 is 1280
1280*2 is 2560
The answer should be 2560

I forgot how to do it with the equation sorry
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How do you round the area of a circle with 3.14?
kirill115 [55]

Answer:

(This is a example since you don’t have anything to round to)

Example Answer if the radius is 4 - 50.24

Step-by-step explanation:

Example Radius : 4

Area : 3.14

We have the mulitiply 3.14 times The Example Radius 2 times because The diameter of a circle is 2 times its radius.

( 3.14 x 4 x 4) 50.24

If you know the diameter, it’s a half or 1/2 as large.

Therefore, if the radius was 4, it would be 50.24.

Youre welcome :)

7 0
3 years ago
The sum of three numbers is 26. The second number is twice the first and the third number is 6 more than the second. Find the nu
inessss [21]
The numbers are 4,8, and 14 because 4+8+14=26 an 4x2=8 and 8+6=14
7 0
3 years ago
11.REINFORCE The lengths of three sides of a triangle are 2x, 3x - 4, and x+4. Find a value of x that makes the triangle equilat
mash [69]

Answer:

x=4

Step-by-step explanation:

It suffices to equate any two sides and then check whether the solution is valid for the third side.

Taking 2x and 3x-4 and equating:

2x = 3x-4

x = 4

This means the sides are both of length 8. Now check whether for x=4 the third side is also of length 8:

x+4=4+4=8

which indeed works out confirming x=4 being a valid solution

5 0
3 years ago
Solve the inequality to - 1/3k >= 2
Xelga [282]

Answer;k≤−6

Step-by-step explanation:(

3

−1

)*(

−1

3

k)≥(

3

−1

)*(2)=

k≤−6

5 0
2 years ago
For which equation would n = 0 not be a solution?
4vir4ik [10]
For the first equation n + 4 = 5, because 0 + 4 is not equal 5
5 0
3 years ago
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