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professor190 [17]
3 years ago
9

Help me please........

Mathematics
1 answer:
arlik [135]3 years ago
6 0

AC=AC (reason: reflexive property)

Step-by-step explanation:

Hope it helps you!

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PLEASE HELP!!!!!!!! I WILL MARK BEAINLIEST
Tatiana [17]

Answer:

7/8

Step-by-step explanation:

1 and 1/8

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3 years ago
hree TAs are grading a final exam. There are a total of 60 exams to grade. (a) How many ways are there to distribute the exams a
nalin [4]

Answer:

a. 205320

b. 34220

c. 60! / (35)! (25)! + 60!/ (40)!(20)! + 60!/ (45)! (15)!

Step-by-step explanation:

a) The number of ways to dustribute exams among the TA's is:

n / (n - r)!

n= number of things to choose from

r= Choosing r number

60P3= 60! / (60 - 3)!

(60)(59)(58)(57)! / (57)!

=205320

B) The number of ways to dustribute the exams among the TA's is:

n! /(n - r)! r!

60C3= 60! /(60 - 3)! 3!

= 60!/ 57! 3!

= 60 × 59 × 58 / 3 × 2 × 1

= 34220

C) The required number of ways is:

60C25 + 60C20 + 60C15

= 60! / (35)! (25)! + 60!/ (40)!(20)! + 60!/ (45)! (15)!

6 0
3 years ago
Jesslyn hypothesizes that the value of antique furniture can be modeled by exponential decay and that the value of a particular
kow [346]

If this can be modelled by exponential decay, therefore the function must be in the form of:

A = Ao (1 + r)^t

where A is the final value, Ao is the initial = 15000, r is the rate of decay = -0.0015, t is time = 2010 – 1990 = 20

 

A = 15,000 (1 – 0.0015)^20

A = $14,556.36

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3 years ago
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zhuklara [117]

Answer:

$4410

Step-by-step explanation:

not sure what Rs is in your question

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3 years ago
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