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rosijanka [135]
3 years ago
9

A house cost $120,000 when it was purchased. The value of the house increases by 10% each year. What is the rate of growth each

month?select the correct answer below.
A) 0.797%
B) 0.00797%
C) 0.833%
D) 0.00833%

Mathematics
2 answers:
hammer [34]3 years ago
6 0

Answer: C) 0.833%


Step-by-step explanation:

Given: Cost price of house = $120,000

The rate of increase of its cost = 10%

Therefore, the increase amount of house per year =10% of $120,000

=\frac{10}{100}\times120000=\$12,000

Now, the amount increase each month=\frac{12000}{12}=\$1000

Let r be the rate of growth each month, then

r% of $120,000=1000

\Rightarrow\frac{r}{100}\times120000=1000\\\Rightarrow\ r\times1200=1000\\\Rightarrow\ r=\frac{1000}{1200}=0.833\%

ICE Princess25 [194]3 years ago
3 0

Answer:

0.797%

Step-by-step explanation:

DO NOT PICK THE OTHER ANSWERS

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8 0
2 years ago
Suppose that bugs are present in 1% of all computer programs. A computer de-bugging program detects an actual bug with probabili
lawyer [7]

Answer:

(i) The probability that there is a bug in the program given that the de-bugging program has detected the bug is 0.3333.

(ii) The probability that the bug is actually present given that the de-bugging program claims that bugs are present on both the first and second tests is 0.1111.

(iii) The probability that the bug is actually present given that the de-bugging program claims that bugs are present on all three tests is 0.037.

Step-by-step explanation:

Denote the events as follows:

<em>B</em> = bugs are present in a computer program.

<em>D</em> = a de-bugging program detects the bug.

The information provided is:

P(B) =0.01\\P(D|B)=0.99\\P(D|B^{c})=0.02

(i)

The probability that there is a bug in the program given that the de-bugging program has detected the bug is, P (B | D).

The Bayes' theorem states that the conditional probability of an event <em>E </em>given that another event <em>X</em> has already occurred is:

P(E|X)=\frac{P(X|E)P(E)}{P(X|E)P(E)+P(X|E^{c})P(E^{c})}

Use the Bayes' theorem to compute the value of P (B | D) as follows:

P(B|D)=\frac{P(D|B)P(B)}{P(D|B)P(B)+P(D|B^{c})P(B^{c})}=\frac{(0.99\times 0.01)}{(0.99\times 0.01)+(0.02\times (1-0.01))}=0.3333

Thus, the probability that there is a bug in the program given that the de-bugging program has detected the bug is 0.3333.

(ii)

The probability that a bug is actually present given that the de-bugging program claims that bug is present is:

P (B|D) = 0.3333

Now it is provided that two tests are performed on the program A.

Both the test are independent of each other.

The probability that the bug is actually present given that the de-bugging program claims that bugs are present on both the first and second tests is:

P (Bugs are actually present | Detects on both test) = P (B|D) × P (B|D)

                                                                                     =0.3333\times 0.3333\\=0.11108889\\\approx 0.1111

Thus, the probability that the bug is actually present given that the de-bugging program claims that bugs are present on both the first and second tests is 0.1111.

(iii)

Now it is provided that three tests are performed on the program A.

All the three tests are independent of each other.

The probability that the bug is actually present given that the de-bugging program claims that bugs are present on all three tests is:

P (Bugs are actually present | Detects on all 3 test)

= P (B|D) × P (B|D) × P (B|D)

=0.3333\times 0.3333\times 0.3333\\=0.037025927037\\\approx 0.037

Thus, the probability that the bug is actually present given that the de-bugging program claims that bugs are present on all three tests is 0.037.

4 0
3 years ago
The table below compares the cost of living in New York and Los Angles, with the number representing percentages of national ave
Galina-37 [17]

Answer:

The correct option for the answer is C.) $3.29 / $2.96

Step-by-step explanation:

i) national average for a gallon of gas = $2.74

ii) for transportation New York is 1.2 times the National average

therefore one gallon of gas in New York will cost = 1.2 \times $2.74 = $3.29

iii)for transportation Los Angeles is 1.08 times the National average

therefore one gallon of gas in New York will cost = 1.08 \times $2.74 = $2.96

Therefore you should expect to pay for gas in New York versus Los Angeles C.) $3.29 / $2.96

4 0
3 years ago
Ten pieces of paper numbered consecutively from 1 to 10 are put into a hat. if three pieces of paper are drawn at random from th
DaniilM [7]

There are 5 even numbers from 1 to 10.


The number of ways to draw all even numbers is 5!/(2!*3!) = 10


The number of ways to draw from the hat is 10!/(7!*3!) = 128


Therefore the probability is 10/128 = 5/64 or roughly 7.81%

7 0
3 years ago
The intersection of 2 planes can be defined as a_____?
tamaranim1 [39]

The intersection of two planes is a line.   That's not necessarily the definition of a line, but that's probably what they're looking for.


Answer: line


5 0
3 years ago
Read 2 more answers
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