Five years ago, Rhea put $20,000 into savings. Now it's worth $30,000. Which of the following statements is true for this situation?

Answers

Answer 1
Answer: Present value of $30,000 is $20,000 Future Value of $30,000 is $20,000 Present value of $20,000 is $30,000

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At noon the temperature was -4° C. Over the next two hours the temperature dropped another 11 degrees. Then every hour until 7:00 the temperature rose 3 degrees. What was the temperature at 7:00

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I think it’s 0 degrees

The 4 in 0.47 stands for

Answers

Its 4 tenths.

Hope This Helps You!
Good Luck Studying :)

Let \( A \) and \( B \) be events with \( P(A)=1 / 3 \) and \( P(B)=2 / 3 \). Let \( N \) be the number of events from among \( A \) and \( B \) that occur. (For instance, if \( A \) occurs but \( B \) does not, then \( N=1 \).) Suppose that the occurrence of events in \( A \) and \( B \) are independent. Find, for example, the probability that no events occur.

Answers

Answer:

( 2/9 )

Step-by-step explanation:

Okay, so since the events A and B are independent, the probability that both of them do not occur is the product of their individual probabilities of not occurring.

The probability of event A not occurring, denoted as ( P(A') ), is equal to 1 minus the probability of A occurring. Similarly, the probability of event B not occurring, denoted as ( P(B') ), is equal to 1 minus the probability of B occurring.

So, ( P(A') = 1 - P(A) = 1 - 1/3 = 2/3 ) and ( P(B') = 1 - P(B) = 1 - 2/3 = 1/3 ).

Since A and B are independent, the probability that both A and B do not occur is simply the product of their individual probabilities of not occurring:

[ P(N = 0) = P(A' cap B') = P(A')P(B') = (2/3) times (1/3) = 2/9 ]

So, the probability that no events occur is ( 2/9 ).

Hope this helps! :)

In Jonah’s restaurant, each table seats 4 people. Jonah has 78 napkins to place at the tables. How many napkins will jonah need to complete one more table?

Answers

Answer:

Jonah needs 2 more napkins to complete one more table.

Step-by-step explanation:

In Jonah’s restaurant, each table seats 4 people.

In total Jonah has 78 napkins to place at the tables.

So the total number of napkins must be a multiple of 4.

But unfortunately 78 is not a multiple of 4. It leaves a remainder of 2 while divided by 4.

So, the number which is 2 more than 78 will be a multiple of 4 and will complete the set of tables i.e 80

Therefore, Jonah needs 2 more napkins to complete one more table.

78 napkins ÷ 4 people per table = 19 tables remainder 2 napkins.
A table needs 4 napkins and we only have 2. This means that we will need 2 more napkins in order to complete one more table.

Stan earns $12 per hour by working as an intern at a law firm. How much money does he earn in a week in which he works 28 hours? A. $400 B.$380 C.$350 D.$336 E.$300

Answers

Answer:

The answer is D

Step-by-step explanation:

Choose the correct simplification of (a^5b^6)/(a^4b^4)(a) a^9b^1^0
(b) ab^2
(c) (1)/(ab^2)
(d) (1)/(a^9b^1^0)

Answers

The correct simplification will be: (b) ab²

(a^5 b^6)/(a^4 b^4)

Here we will use the property of exponents for division of two exponential terms with same bases. The original property is : (x^m)/(x^n) = x^m^-^n

It means if the bases are same , then we will just subtract the exponents while dividing two terms.

Using this property:

(a^5)/(a^4) = a^5^-^4 = a^1 = a

and (b^6)/(b^4) = b^6^-^4 = b^2

So,

Answer:

a^5 - a^4 = a1 or a

b^6 - b^4 = b2

put them together and you get ab^2

I also took the test and got it right