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klasskru [66]
3 years ago
13

Mason took out an $800 loan from the bank. At the end of 5 years, he pays back the principle, plus $120 simple interest. What is

the interest rate? Show your work
Mathematics
1 answer:
kirza4 [7]3 years ago
6 0

Answer:

3% or 0.03

Step-by-step explanation:

120/5=24

24 is 3% of 800.

We can assume that 800 is 100 percent.

That means 1 percent is 8.

24 is 3 percent.

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The ratio of students to teachers is 2:3 respectively.If there are 21 teachers, how many students are there?
yulyashka [42]

Answer:14


Step-by-step explanation:

2:3

14:21

in 14 their is 2 7's

in 21 their is 4 7's


6 0
3 years ago
Determine whetherfis a function from the set of all bitstrings to the set of integers if
ipn [44]

Answer:

a) Not a function

b) It is a function

c) It is a function

Step-by-step explanation:

a) f(S) is not completly well defined, becuase if the bistring has multiple zeros, you need to pick one and there is not specified method in how you would do so. Another reason for which f is not well defined as a function is that for a bistring with only 1's, f is not defined because there is no zero.

b) This is a function. f(S) returns a concrete and unique integer number for each bistring S. If the bistring has only zeros, the f(S) = 0.

c) This is well defined as a function. It compensates for the failures of the first definition:

- If multiple zeros appears in S, you pick the first one, so there is one possible value for f(S)

-If no zeros appear, f is still well defined because it takes the value 0, as specified in the definition.

8 0
3 years ago
Write a verbal expression for 2(n + 9)
Morgarella [4.7K]
Two times the sum of a number and nine.
8 0
3 years ago
Read 2 more answers
How can this 12×2+2³ make 120
Alex17521 [72]

Step-by-step explanation:

12\times(2+2^3)\qquad\text{use PEMDAS}\\\\\text{first power}\\\\=12\times(2+8)\\\\\text{next addition in parentheses}\\\\=12\times10=120

8 0
3 years ago
How do you write 8.6 in scientific notation
aliina [53]

8.6

Since there is one number before the decimal, we don't have to move the decimal

8.6 * 10^0

Answer 8.6 * 10^0

7 0
3 years ago
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