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gladu [14]
2 years ago
6

PLZZZ HELP!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
ANTONII [103]2 years ago
5 0

Answer:

<h3>Harrison</h3>
  • Principal P = 200
  • Interest rate r = 2% = 0.02
  • Number of compounds n = 4
  • Time t = 2

<u>Total amount:</u>

  • A = P(1+r/n)^{nt}=200*(1+0.02/4)^{4*2} = 208.14
<h3>Sherrie</h3>
  • Principal P = 200
  • Interest rate r = 4% = 0.04
  • Number of compounds n = 12
  • Time t = 2

<u>Total amount:</u>

  • A = P(1+r/n)^{nt}=200*(1+0.04/12)^{12*2} =  216.63

As we see the second method is a better choice

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Find the area of the shape shown below.
rusak2 [61]

Answer:

12.5

Step-by-step explanation:

So this is basically a rectangle. You make the 2 triangles a square.

2.5x2.5=6.25

6.25x2=12.5

3 0
3 years ago
Nancy put new insulation in her attic and discovered that her heating bill for December decreased from $160 to $100. What is the
WINSTONCH [101]

Answer:

37.5% decrease

Step-by-step explanation:

To find a relative percentage you generally follow the rule of part divided by whole.

$100 / $160 = .625 (62.5%)

So $100 is 62.5% of $160

To find the decrease we need to subtract 62.5% from 100%

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4 0
2 years ago
Software to detect fraud in consumer phone cards tracks the number of metropolitan areas where calls originate each day. It is f
pashok25 [27]

Answer:

0.999987

Step-by-step explanation:

Given that

The user is a legitimate one = E₁

The user is a fraudulent one = E₂

The same user originates calls from two metropolitan areas  = A

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P(E₁) = 0.0131% = 0.000131

P(E₂) = 1 - P(E₁)  = 0.999869

P(A/E₁) = 3%  = 0.03

P(A/E₂) = 30% = 0.3

Given a randomly chosen user originates calls from two or more metropolitan, The probability that the user is fraudulent user is :

P(E_2/A)=\frac{P(E_2)\times P(A/E_2)}{P(E_1)\times P(A/E_1)+P(E_2)\times P(A/E_2)}

=\frac{(0.999869)(0.3)}{(0.000131)(0.03)+(0.999869)(0.3)}

\frac{0.2999607}{0.00000393+0.2999607}

\frac{0.2999607}{0.29996463}

= 0.999986898 ≈ 0.999987

6 0
3 years ago
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Orlov [11]

Answer:

Keith does.

Step-by-step explanation:

2250/60=37.5

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3 years ago
ALGEBRA 1 HONORS EASY QUICK QUESTION
Mashutka [201]

Answer:

Step-by-step explanation:

Add 1+1

7 0
3 years ago
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