A zoo has a circular pool for its seals. The diameter of the pool is 32 feet. How much fence is needed to enclose the pool?

Answers

Answer 1
Answer:

Answer:

The answer is 32 \pi\ feet or 100.53\ feet

Step-by-step explanation:

we know that

To calculate how much fence is needed to enclose the circular pool, find the circumference of the circular pool

The circumference of a circle is equal to

C=\pi D

where

D is the diameter of the circle

In this problem we have

D=32\ feet

Substitute

C=\pi (32)=32 \pi\ feet

C=32 \pi\ feet=100.53\ feet


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In a CBS News survey done in 2009, 95% of n=346 randomly sampled married men said that they would marry their spouse again if they had it to do all over again. In the same survey, 85% of n=522 married women said that they would marry their spouses if they had to do it over again. a. Calculate a 95% confidence interval that estimates the difference in proportions of married women and men who would marry their spouse again if they had it to do all over again. b. On the basis of the confidence interval determined in part a, can we infer that the population proporti

Answers

Answer:

456

Step-by-step explanation:

Look at the cone above. If r = 4 cm and h = 4 cm, what is the volume of the cone? (Assume = 3.14) A. 64 cm3 B. 66.99 cm3 C. 64 cm2 D. 100.53 cm3

Answers

Answer:

66.99 cm³

Step-by-step explanation:

the volume = ⅓× 3.14 × 4²× 4 = 3.14 × 64/ 3

= 66.99cm³

Nathan received a package for his birthday the package wait $5,910,000 milligrams select the conversions that are equivalent to 5,910,000. Mark all that apply.59,100 kilograms
59.1 centigrams
591,000 centigrams
5.91 kilograms

Answers

Answer:

5.91 kilograms

591,000 centigrams

Step-by-step explanation:

These two are WRONG:

59,100 kilograms

59.1 centigrams

Write an equation that is not a linear function. Explain why it is not linear.

Answers

A linear function contains no exponents and is straight.  Any function with an exponent is not linear.  x^2 is not a linear function; it is a parabola (a curve).


Hope this helps!!

What’s the complex number in polar form with argument theta between 0 and 2pie?
8+8i

Answers

9514 1404 393

Answer:

  45. (8√2)∠π/4

  46. (7√2)∠3π/4

Step-by-step explanation:

The polar form of a+bi is ...

  a +bi ⇔ (√(a²+b²))∠arctan(b/a)

__

45. 8 +8i = (√(8² +8²))∠arctan(8/8) = (8√2)∠π/4

__

46. -7 +7i = (√((-7)² +7²))∠arctan(7/-7) = (7√2)∠3π/4

_____

Additional comment

The arctan function usually returns a value in the range -π/2 to π/2. The quadrant of the desired result can be determined by the signs of the components of the vector. For negative real parts, π needs to be added to the value that is usually returned by the arctan function.

Solve the equation for
X-7=13

Answers

Answer:

x = 20

Step-by-step explanation:

Isolate x by adding 7 to both sides:

x = 20