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erik [133]
3 years ago
11

Let a be a rational number and b be an irrational number. Which of the following are true statements?

Mathematics
1 answer:
Setler79 [48]3 years ago
7 0
A the sum of a and b is never rational
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7. Ashok gets an increase of 4% in his weekly salary. In addition to that, he gets ? 75 per week. If his present salary is 2,500
Dovator [93]

B.

I think B will make more B make more sense because you say he gets 75 a week.

6 0
3 years ago
A retiree invests $9,000 in a savings plan that pays 5% per year. What will the account balance be at the end of the first year
densk [106]
Using the formula I=Pxrxt
P is the principal amount, $9000.00.
r is the interest rate, 5% per year, or in decimal form, 5/100=0.05.
t is the time involved, 1....year(s) time periods.
So, t is 1....year time periods.
To find the simple interest, we multiply 9000 × 0.05 × 1 to get that:

The interest is: $450.00
So the balance will be $9450.00 at the end of the first year.
4 0
3 years ago
Read 2 more answers
Select the equation that is the inverse of the given function.
nika2105 [10]

Answer:

  • f^-1(x) = 5x + 3

Step-by-step explanation:

<u>Given function</u>

  • f(x) = (x  - 3)/5

<u>Its inverse is</u>

  • x = (f^-1(x) - 3)/5
  • 5x = f^-1(x) - 3
  • f^-1(x) = 5x + 3

The second option is correct

7 0
3 years ago
The graph below shows f(x), which represents a parent function, and g(x), which represents a translation of that function.
Aleksandr-060686 [28]

Answer:

A. f(x) = (one-half) Superscript x  

D. The domains of both functions are the same.

E. The translation from f(x) to g(x) is right 4 units and down 2 units.

The answers are A, D, and E

Step-by-step explanation:

Edge 2020

4 0
3 years ago
Which of the following relations is a function?
Temka [501]
The answer is a. to be a function there can’t be an x value that is the same to a different y value. so as an example (6,7) (3,2) (5,6) (6,3) is not a function because 6 appears 2 times as an x value but with different y values. but you can have the same y value.
7 0
3 years ago
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