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Evgen [1.6K]
3 years ago
11

How many lines of symmetry does the middle shape have ?​

Mathematics
2 answers:
Anarel [89]3 years ago
6 0

Answer:

Three

Step-by-step explanation:

The answer is that the shape has three lines of symmetry, one from each vertex to the middle of the opposite side

alina1380 [7]3 years ago
5 0

Answer:

<h2>Three</h2>

The answer is that the shape has three lines of symmetry, one from each vertex to the middle of the opposite side.

Step-by-step explanation:

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If p q r is prime numbers such that pq+r=73, what is the least possible value of p+q+r
Jobisdone [24]
The answer to this question would be: p+q+r = 2 + 17 + 39= 58

In this question, p q r is a prime number. Most of the prime number is an odd number. If p q r all odd number, it wouldn't be possible to get 73 since
odd x odd + odd= odd + odd = even
Since 73 is an odd number, it is clear that one of the p q r needs to be an even number. 

There is only one odd prime number which is 2. If you put 2 in the r the result would be:
pq+2= 73
pq= 71
There will be no solution for pq since 71 is prime number. That mean 2 must be either p or q. Let say that 2 is p, then the equation would be: 2q + r= 73

The least possible value of p+q+r would be achieved by founding the highest q since its coefficient is 2 times r. Maximum q would be 73/2= 36.5 so you can try backward from that. Since q= 31, q=29, q=23 and q=19 wouldn't result in a prime number r, the least result would be q=17
r= 73-2q
r= 73- 2(17)
r= 73-34=39

p+q+r = 2 + 17 + 39= 58
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3 years ago
Read 2 more answers
A research company desires to know the mean consumption of meat per week among people over age 23. A sample of 164 people over a
Elan Coil [88]

Answer:

The 80% confidence interval for the mean consumption of meat among people over age 23 is between 4 and 4.2 pounds.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.8}{2} = 0.1

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.1 = 0.9, so z = 1.28

Now, find M as such

M = z*\frac{\sigma}{\sqrt{n}}

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M = 1.28*\frac{0.7}{\sqrt{164}} = 0.07

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The upper end of the interval is the mean added to M. So it is 4.1 + 0.07 = 4.17 pounds

Rounded to one decimal place

The 80% confidence interval for the mean consumption of meat among people over age 23 is between 4 and 4.2 pounds.

8 0
3 years ago
Organizational charts are used to identify statistical data. Please select the best answer from the choices provided. True or fa
natita [175]
<span>False.
Organizational charts are the</span> graphic representation of the structure of an organization which shows the relationships of the positions within it.
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Answer:

$27.00 + 0.15t =

Step-by-step explanation:

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