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icang [17]
2 years ago
6

13) A hexagon has 6 equal sides! Ms. Sears asked the students to find the perimeter if all sides are equal to 2x + y. One studen

t found the solution to be 18xy and another thinks it is 9xy. Is either solution correct? Show your work to justify your answer.
Mathematics
1 answer:
mestny [16]2 years ago
7 0

Answer:

None of the answers are right

Step-by-step explanation:

Since a hexagon has 6 sides, and perimeter is the length of all the sides summed up, we can multiply 6 by 2x+y to find the perimeter.

6(2x+y)

Distribute the 6 to each term in the parentheses:

6(2x)+6(y)

12x+6y is the perimeter. None of the answers are right.

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What is the sum of the 2nd square number and the 5th cube number
lisabon 2012 [21]

Answer:

129

Step-by-step explanation:

4+125=129

7 0
3 years ago
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True or False?.To find the number of outcomes of disjoint sets, add the number of outcomes for each event.
marishachu [46]

Answer:

True

Step-by-step explanation:

When two events are disjoints then both events does not occur at the same time.

The intersection of both events is 0

Tossing a coin and getting a tail or head are the two disjoint events

To find the number of outcomes of disjoint sets, we add the number of each event like we add the number of outcomes of getting head and tail .

So, its true

3 0
4 years ago
The opposite angles of a rhombus are equal. <br> a. True <br> b. False
Sergeu [11.5K]
The answer is a, all rhombuses have equal sides, if they have equal sides then day have equal angles.
5 0
3 years ago
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The total claim amount for a health insurance policy follows a distribution with density function 1 ( /1000) ( ) 1000 x fx e− =
gizmo_the_mogwai [7]

Answer:

the approximate probability that the insurance company will have claims exceeding the premiums collected is \mathbf{P(X>1100n) = 0.158655}

Step-by-step explanation:

The probability of the density function of the total claim amount for the health insurance policy  is given as :

f_x(x)  = \dfrac{1}{1000}e^{\frac{-x}{1000}}, \ x> 0

Thus, the expected  total claim amount \mu =  1000

The variance of the total claim amount \sigma ^2  = 1000^2

However; the premium for the policy is set at the expected total claim amount plus 100. i.e (1000+100) = 1100

To determine the approximate probability that the insurance company will have claims exceeding the premiums collected if 100 policies are sold; we have :

P(X > 1100 n )

where n = numbers of premium sold

P (X> 1100n) = P (\dfrac{X - n \mu}{\sqrt{n \sigma ^2 }}> \dfrac{1100n - n \mu }{\sqrt{n \sigma^2}})

P(X>1100n) = P(Z> \dfrac{\sqrt{n}(1100-1000}{1000})

P(X>1100n) = P(Z> \dfrac{10*100}{1000})

P(X>1100n) = P(Z> 1) \\ \\ P(X>1100n) = 1-P ( Z \leq 1) \\ \\ P(X>1100n) =1- 0.841345

\mathbf{P(X>1100n) = 0.158655}

Therefore: the approximate probability that the insurance company will have claims exceeding the premiums collected is \mathbf{P(X>1100n) = 0.158655}

4 0
3 years ago
Help please this assignment is do in a few minutes
adell [148]
C. is the correct answer in this case
7 0
2 years ago
Read 2 more answers
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