Answer:
Here
perimeter=76
length =4a+5
breadth=2a-3
we know,
perimeter=2(length+breadth)
76=2(4a+5+2a-3)
76=2(7a+2)
76=14a+4
76-4=14a
72=14a
72÷14=a
a=5.14
The standard deviation for the number of times an odd number is rolled is 15.8
<h3>How to determine the standard deviation?</h3>
The given parameters are:
Die = regular six-sided die
n = 1000
The probability of rolling an odd number is:
p = 1/2 = 0.5
The standard deviation is then calculated as;

This gives

Evaluate the products

Evaluate the root

Hence, the standard deviation is 15.8
Read more about standard deviation at:
brainly.com/question/16555520
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Answer:
1.4
Step-by-step explanation:
9.5+0.9t
=9.5+0.9(-9)
=9.5+-8.1
=1.4
I believe that the best answer among the choices provided by the question is <span>2) figure that has 3 or more unequal length sides.</span>
Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.
Answer: Store 2
Step-by-step explanation: sorry I don’t know how to explain.