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Ann [662]
3 years ago
8

The radius of a face-off circle on an NHL hockeyrink is 15 ft. What is its circumference?​

Mathematics
2 answers:
Iteru [2.4K]3 years ago
7 0

Answer:

Step-by-step explanation:

r = 15 ft

Circumference = 2πr

=2*π*15

=30π ft

8090 [49]3 years ago
6 0

Answer:

94.2ft

Step-by-step explanation:

  1. The formula for finding the circumstance is the diameter times pi.
  2. We know the radius. To find the diameter, we double the radius, which would be 30. (2x15=30)
  3. Next, we multiply 30 by pi. (30x3.14). The answer is 94.2.
  4. Thus, the answer is 94.2ft.
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Factoring is the opposite of what operation
Len [333]

Answer:

Factoring is the opposite of multiplying (or using the distributive property to multiply.)

Step-by-step explanation:

3 0
3 years ago
Change 179km to miles. Type a whole number or a decimal. Round to four decimal places as needed.
atroni [7]

Answer:

179/1.60934 miles then divide to get the whole number/ decimal.

Step-by-step explanation:

A quick search tells me there are 1.60934 km in 1 mile.  

To convert from one unit to another there is a super simple method.  Set up a fraction with the two values, so in this case 1/1.60934  or 1.60934/1.  Which do you use?  well it depends which you are tryng to convert.

1.60934/1 has the units km/miles so since miles is on the bottom we would use it to convert miles.  That's hat you have to look at, what is in the denominator.  Since we are converting 179 km we want km on the bottom.

So we use 1/1.60934 instead because the units are miles/km.  now you just multiply the 179 by the fraction.  so the answer is 179/1.60934 miles.

Now it says we need a whole number of decimal, can you handle the division?

7 0
3 years ago
6x = -24 Solve for x.
Salsk061 [2.6K]

Answer:

-4

Step-by-step explanation:

divide -24 by 6

x= -4

6 0
2 years ago
Read 2 more answers
Suppose LMN=PQR<br> Which congruency statements are true
zysi [14]

A, D, E and F are all true statements.



When looking for congruence in these type of problems, you have to look for the order of the letters in the original listing. Since they are listed LMN and PQR, this means we have to focus on the placement of those letters. Since L is the first listed in the sequence, it is congruent with P, which is also listed first. M is congruent with Q since they are both in the middle, and N and R are congruent since they are both at the end.



Now to find true statements, you need to make sure everything matches up in the statement.



Let's take A for instance. It states that MN = QR. Now we know M is in the middle and N is at the end. Since Q is in the middle and R is at the end, they match and are therefore true.


6 0
2 years ago
The scatter plot shows the systolic blood pressure of people of several different ages. The equation represents the linear model
elena-14-01-66 [18.8K]

Answer: 95 mm Hg


Step-by-step explanation:

Given: The equation represents the linear model for the data is

y=x+95

Since, age is an independent quantity whereas blood pressure is dependent quantity.

Thus, y represents the  the systolic blood pressure of people of several different ages (x).

Now, the age of new born baby =0

Substitute x=0 in the equation , we get y=95

Hence, The systolic blood pressure of new born baby = 95 mm hg

5 0
3 years ago
Read 2 more answers
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