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evablogger [386]
2 years ago
14

The ratio of the circumferences of two circles is 2:3. If the large circle has a radius of 39cm what is the radius of the small

circle
Mathematics
2 answers:
maks197457 [2]2 years ago
6 0
You just multiple my guy. 2:3 is like 2/3. What is 2/3 of 39
39*2/3 = 26
anyanavicka [17]2 years ago
4 0

Answer:

the radius would be 26cm

Step-by-step explanation:

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Can someone help me with this in a scientific notation
Leviafan [203]

Answer:

3.762 x 10^-7

Step-by-step explanation:

Alright this has the same exact concept as other scientific notation problems.

First, multiply your first numbers: 4.18 x 9 = 37.62

Next, we add our powers together -4 +-4 = -8 (can also be read as -4 - 4 = -8)

We now have 37.62 x 10^-8

Wait! This isn't in scientific notation.

Taking a closer look at this we see 37.62 x 10^-8 can be adjusted by moving the decimal over to the left. Scientific notation must be in simplest form with only one number on the left of the decimal. This gives up 3.762.

Now we need to adjust our notation. Since we moved the decimal over one we are adding one more power to our problem.

Our current power of -8 is now adding a power due to moving the decimal place over one unit to the left. This is equivalent to saying -8 + 1 which equals -7. Now that we fixed our powers, we can put our equation back together for our final answer

3.762 x 10^-7

6 0
3 years ago
Write a polynomial function in factored form w zeros at -2,5,6
AlladinOne [14]

Answer:

B

Step-by-step explanation:

The zeros of a polynomial are the solutions to the function. They are found from the factors. The factors which multiply to make the equation in standard form. To write the factors reverse the process by unsolving the factor.

x = -2 comes from x+2

x = 5 comes from x-5

x = 6 comes from x-6

The factored form is (x+2)(x-5)(x-6).

7 0
3 years ago
A number n plus 8 is greater than 11.
Bumek [7]
N+8>11 is the answer you are looking for 

8 0
3 years ago
What is the most accurate name for the polygon shown in the figure? A. decagon B. hexagon C. octagon D. heptagon
miss Akunina [59]
C. octagon but even though u dont have no picture
7 0
3 years ago
10 is equal or less than j + 5
azamat

Answer:

10 is equal or less than (sign that opens up to the right with line underneath) j+5

5 0
3 years ago
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