A population of rabbits has a mean life span of 10 years with a standard deviation of 2.6 days. If a sample of 30 rabbits is taken from this population, what is the probability the sample will have a sample mean life span of less than 9 years rounded to the nearest tenth of a percent? (Do not type in the percent symbol)

Answers

Answer 1

Answer: Rabbits was a good night to see how you are your dad is going to be happy

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Persons younger than 18 years old are not eligible to vote. Let a be age in years. Which inequality models this situation?

A.
a < 18 and a may be a negative number

B.
a < 18 and a must be a positive number

C.
a > 18 and a may be a negative number

D.
a > 18 and a must be a positive number

Answers

D 18 and must be a positive number

Find the simplified form of each expression (-2)^-5
(-8.3)^0
-(10)^-1
1/a^-2

Answers

${ \left( -2 \right) }^( -5 )=\frac { 1 }{ { \left( -2 \right) }^( 5 ) } =-\frac { 1 }{ 32 } \n \n { \left( -8.3 \right) }^( 0 )=1\n \n -{ 10 }^( -1 )=-\frac { 1 }{ { 10 }^( 1 ) } =-\frac { 1 }{ 10 } \n \n \frac { 1 }{ { a }^( -2 ) } =\frac { 1 }{ \frac { 1 }{ { a }^( 2 ) } } =\frac { 1 }{ 1 } / \frac { 1 }{ { a }^( 2 ) } =\frac { 1 }{ 1 } * \frac { { a }^( 2 ) }{ 1 } ={ a }^( 2 )$

A bicycle shop repaired 40 bicycles in 8 days. What was the rate of work?

A.

B.

C.

D.

Answers

40÷8= 5
they repaired on average 5 bikes per day

The bike shop repairs 40/8=5 bicycles per day, on average.

Help I keep failing! Thx in advance! Will give brainliest

Answers

Answer:

C. Antoine can buy 10 pounds or less of oranges. x=10

Step-by-step explanation:

If you take the amount of money he has and subtract $5.20 from it (bc of the pumpkin) you get $13. Then you divide $13 by $1.30. (the amount each pound of oranges cost) He can get either 10 pound or less of oranges with the money he has.

I hope this helped. I'm new to Brainly so I'm trying to help any way I can. Hope this helped you!

The vertices of a feasible region are (14, 2), (0, 9), (6, 8), and (10, 3). What is the maximum value of P if P = 180x + 250y?

Answers

For this problem, we must first plot of each point using the given points. Assume that each coordinate given is in the (x,y) form. To get the maximum value, we can plus in each coordinate set to the equation to see which P comes out to be the largest. For (14,2), P=3020. For (0,9), P=2250. For (6,8), P=3080. For (10,3), P=2550. The maximum value for P would be P=3080.

Answer:

It’s C

Step-by-step explanation:

(x/3)+5=2x-70
solve for x
what are the steps

Answers

(x/3)+5=2x-70
3[(x/3)+5]=[2x-70]3
x+15=6x-210
+210 +210
x+225=6x
-x -x
5x=225
x=45

$(x)/(3)+5=2x-70\ \ \ \ \ \ |\cdot3\n\nx+15=6x-210\ \ \ \ |combine\ like\ terms\n\nx-6x=-210-15\ \ \ \ |simplify\n\n-5x=-225\ \ \ \ \ \ \ |:-5\n\nx=45$

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