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andreev551 [17]
3 years ago
12

This is VERY URGENT, so 50 points if you answer correctly!

Mathematics
1 answer:
mariarad [96]3 years ago
3 0

Answer:

The circumference is 31.43 cm

The ratio of the circumference to the diameter is equal to 3:1

Step-by-step explanation:

Thed formular for the circumference of a circle is 2\pir or \pid

where d = diameter and r = radius

if d = 10 cm, and \pi = 3.143, then circumference of the circle can be given as

3.143*10 = 31.43 cm

The ratio of the circumference to the diameter can be given as 31.43:10

and that can be given as 3.143:1

or 3:1, for the nearest whole number

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Evaluate the following expression. 3^-2
OverLord2011 [107]
3^-2 = 0.111111111 ← Answer
7 0
3 years ago
Write an equation of the line passing through the point (3, -1) and parallel to the line y=2/3x - 5. Show work
alex41 [277]

Answer:

The answer is: y = 2/3x - 3

Step-by-step explanation:

Given point: (3, -1)

Given equation: y = 2/3x - 5, which is in the form y = mx + b where m is the slope and b is the y intercept.

Parallel lines have the same slope. Use the point slope form of the equation with the point (3, -1) and substitute:

y - y1 = m(x - x1)

y - (-1) = 2/3(x - 3)

y + 1 = 2/3x - 6/3

y + 1 = 2/3x - 2

y = 2/3x - 3

Proof:

f(3) = 2/3(3) - 3

= 6/3 - 3

= 2 - 3

= -1, giving the point (3, -1)

Hope this helps! Have an Awesome Day!!  :-)

6 0
2 years ago
What is the missing value<br>______+(- 4)=(- 1)
kirill115 [55]
   3+(-4)=(-1)

so, 3 is the missing number

4 0
3 years ago
What is the mode of the data set?
Alex17521 [72]
1. the mode is 100 because 100 is the most common number in that sequence

2. the mean is 193.8 because if you add up 108, 306, 252, 113, and 191 then divide that by 5 you get 193.8
5 0
3 years ago
Read 2 more answers
How to find nth term of a sequence in math?
worty [1.4K]
Salutations!

To find the nth term, you will be needing a formula.

a +(n-1) *d

a stands for the first term (first number in the sequence)

d stands for the difference between two terms. (always remember to subtract from the 2nd term to the 1st term)

and the n is what we are going to find

so in your sequence: 5, 10, 15, 20

5 is a (as it is the first term)

d would be 5 ( 10 -5 =5)

a+(n-1)*d

5+ (n-1) *5

5+5n-5

5n+0

your nth term is 5n+0

Hope this helps!

Have a great day!
7 0
3 years ago
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