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Lera25 [3.4K]
3 years ago
14

The smallest variable is "a" if u cannot see it.

Mathematics
1 answer:
vampirchik [111]3 years ago
4 0

a = 0
one all over are Westborough five Oliver are ways to purify

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What is the perimeter of a square which has the same area as a circle with circumfrence of 4π
Kruka [31]

Answer:

Perimeter square = 8 sqrt(pi)

Step-by-step explanation:

The perimeter of a square is 4*s

The area of a circle is Area = pi * r^2

The circumference of a circle is C = 2*pi * r

C = 4 pi

4pi = 2*pi * r

r = 2

So the area of the circle is pi * r^2 = pi * 2^2 = 4pi

The square has the same area

Area = 4*pi

Square = 4*pi

s^2 = 4*pi

s = sqrt(4*pi)

s = 2*sqrt(pi)

The perimeter = 4 * 2 * sqrt(pi)

The perimeter = 8 * sqrt(pi)

8 0
2 years ago
What is 1/2 y − 5 =−7
alexgriva [62]

Answer:

=-4

Step-by-step explanation:

4 0
3 years ago
Determine whether the sequence below is a geometric sequence and, if so, find a formula that describes the sequence. 1, 3, 9, 27
Dmitry_Shevchenko [17]
This is geometric  with a common ratio of 3   (3/1 = 3 and 9/3 = 3 etc)
the formula for the nth term is 
an = 3^(n-1)
3 0
2 years ago
In ACDE, the measure of E=90°, the measure of C=70°, and DE = 12 feet.
Oksi-84 [34.3K]

Answer:

Step-by-step explanation:

12.8 feet

6 0
2 years ago
What is log base 5(4*7 )+log base 5 of 2 written as a single log?
nataly862011 [7]
The answer for the exercise shown above is the last option (Option D), which is:

 D. log base 5 of 56

The explanation is show below:

 1. You have the following logarithm expresssion:

 <span>log5(4*7 )+log5(2)
</span>
 2. By the logarithms properties, you can rewrite the logarithm expression as following:

 log5(28)(2)
 log5(56)

 3. Therefore, as you can see, the answer is the option mention before.
 
7 0
3 years ago
Read 2 more answers
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