What is the equation for finding the circumference?
Answers
it is C=2 pi R
hope this helps
Answer:
Step-by-step explanation:
So circumference equals 2 times pi times radius
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number has 6 digits smallest digit is 0.01 largest digit is 8,000 digit in the tens is 2 less than digit on the hundreds the sum of tens and hundreds is the digit in the thousands the digit in the tenths has the same value in every place the remaining digit is the largest even number
Answers
Answers
An equation is a mathematical statement that is made up of twoexpressions connected by an equalsign
x + y = 110
y - (1/2)x = 20
The number of marblesonechildren had is 50.
The number of marblesotherchildren had is 60.
What is an equation?
An equation is a mathematical statement that is made up of twoexpressions connected by an equalsign.
Example:
2x + 4y = 6 is an equation.
2x + 4 is an equation.
We have,
Totalnumber of marbles = 110
Number of children = 2
Number of marblesonechildren has initially = x
Number of marblesotherchildren has initially = y
Now,
x + y = 110 _____(1)
After one child had losthalf her marbles and the otherlost 20 they had an equalnumber.
This means,
x - (1/2)x = y - 20
(1/2)x = y - 20
y - (1/2)x = 20 _____(2)
From (1) and (2) we get,
x = 110 - y _____(3)
Putting (3) in (2)
y - (1/2)x = 20
y - (1/2)(110 - y) = 20
y - 55 + (1/2)y = 20
(3/2)y = 20 + 55
(3/2)y = 75
y = (75 x 2) / 3
y = 25 x 2
y = 50
Now,
Putting y = 50 in (3) we get,
x = 110 - y
x = 110 - 50
x = 60
Thus,
The number of marblesonechildren had is 50.
The number of marblesotherchildren had is 60.
Learn more about equations here:
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Markup percent: 125%
can you please tell me how you found it so I can work on my other questions
Answers
Answers
210 divided by 10 equals
around 21
that would be your estimate using compatible numbers.
I hope this helps =)
Answers
their sum (add) is at least 7
sum>7
sum means add
n+n+1>7
2n+1>7
minus 7 both sides
2n>6
divide 2
n>3
the smaller number mist be at least 3, (making the bigger number at least 4)
•In the triangle below what is the tangent of 30°?
Answers
Answer:
The correct answer is D. 1/√3
Step-by-step explanation:
The ratio of the opposite side and the adjacent side to the given angle is the tangent.
According to the image below formula is:
tangent(α)=a/b
a= oppositive side: the side in front of the given angle.
b= adjacent side: the side next to the given angle.
α= the given angle.
According to the image, the value of “a” is 1 and there is √3 for “b”.
So, the correct answer is D. 1/√3
Answer: D
Step-by-step explanation:
Tangent is...
other leg/ adjacent leg