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BabaBlast [244]
4 years ago
6

The diameter of an ice skating rink is 44 feet. In terms of π, what is the area of the rink to the nearest square yard? (9 ft2 =

1 yd2)
Mathematics
2 answers:
Dmitry [639]4 years ago
8 0

Answer:

B. 54π yd^2

Step-by-step explanation:

On god it is right trust mee!    

Over [174]4 years ago
7 0

Answer: Our required area is 54π sq. yd.

Step-by-step explanation:

Since we have given that

Diameter of an ice skating = 44 feet

Radius of an ice skating = 22 feet

as we know the formula for area :

Area would be

\pi r^2\\\\=\pi \times 22^2\\\\=484\pi\ ft^2

As we know that

9 sq ft = 1 sq yd

So, it becomes,

\dfrac{484\pi}{9}=53.77\pi\ yd^2\approx 54\pi\ yd^2

Hence, our required area is 54π sq. yd.

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Can someone help me? Please answer in fraction! :D
nlexa [21]
-4/15 I think
-3/5x3= -9/15
1/3x5= 5/15
-9/15 - 5/15=4/15

6 0
3 years ago
A company has a monthly budget of x dollars. Every month, $20,700 of the monthly budget is spent on salaries. One-fifth of the r
Nastasia [14]

Answer:

OS=\frac{x-20,700}{5}

Step-by-step explanation:

<u>Functions to model reality  </u>

There are situations in real life where some variables depend on other(s) and that dependency can be determined as a practical rule or from a well-known theory. The expression who relates those variables are commonly called functions and they become a very useful tool to analyze, explain and predict the behavior of such events.

We know the monthly budget of a company is x dollars. $20,700 out of it is spent on salaries. After deducting salaries, the remaining budget is

x-20,700

One-fifth of it is spent on office supplies, so the required function is

OS=\frac{1}{5}(x-20,700)

OS=\frac{x-20,700}{5}

6 0
4 years ago
Read 2 more answers
The grade appeal process at a university requires that a jury be structured by selecting eight individuals randomly from a pool
anygoal [31]

Answer: The probability of selecting a jury of all​ faculty=0.000071

The probability of selecting a jury of six students and two two ​faculty=0.3667


Step-by-step explanation:

Given: The number of students = 9

The number of faculty members=11

The total number of ways of selecting jury of eight individuals=^{20}C_8=\frac{20!}{(20-8)!\times8!}=125970

The number of ways of selecting jury of all faculty=^9C_8=\frac{9!}{8!(9-8)!}=9

The probability of selecting a jury of all​ faculty=\frac{9}{125970}=0.000071

The number of ways of selecting jury of six students and two two ​faculty

=^9C_6\times ^{11}C_2=\frac{9!}{6!(9-6)!}\times\frac{11!}{2!\times(11-2)!}\\=84\times55=4620

Now, the probability of selecting a jury of six students and two two ​faculty

=\frac{4620}{125970}=0.03667


7 0
3 years ago
In an experiment, two numbers between 1 and 6 are chosen. the second number must be different than the first number. what is the
GREYUIT [131]
Pick a 3.  P1/6
Pick another not 3 but 5 or 6 is P2/5
1/6 x 2/5 1/15 = 0.0667
5 0
4 years ago
Please help me solve this
OlgaM077 [116]

Answer:

645320

Step-by-step explanation:

Given: 6_5_2_

If a multiplication sign is placed between the second and third digit, and an equal sign is placed between the third and fourth digit, then

6_ × 5 = _2_

The passcode contains 6 DIFFERENT digits, so we know the missing numbers cannot be 6, 5, or 2.

So, do a trial and error session of multiplying 5 by numbers it could possibly be (60, 61, 63, 64, 67, 68, 69).

64 × 5 = 320. It is the only equation that is both correct and matches the digits given, so the missing digits are 4, 3, and 0. Barry's passcode is 645320.

4 0
4 years ago
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