Is -.012578142 rational or irrational

Mathematics

1 answer:

Natali5045456 [20]3 years ago

7 0

Answer:

it is a irrational number

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PolarNik [594]

3 3/5. - 4 1/2

find a common denominator

3/ 5 = 6/ 10.

1/2. = 5/10

3 6/10. - 4 5/10

- 1 1/10

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A taxi cab charges $1.75 for the flat fee and $0.25 for each mile. Write an in equality to determine how many miles Eddie can tr

Gnesinka [82]

Answer:

.25x+1.75=15 and x=53

Step-by-step explanation:

first subtract 1.75 from both sides

then divide by .25 on both sides

and you will get x=53

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3 years ago

The answer to this problem

stepan [7]

Let's assume that you are to graph the inequality.
1. Graph -3x + 4y = 12. Note that the x-intercept is (-4,0) and the y-intercept is (0,3). Use a dashed line, not a solid line, due to the ">" sign.
2. Choose a test point (e. g., (0,1) ) and subst. these coordinates into -3x + 4y = 12. Is the equation then true or false? If true, shade the area (on one side of -3x + 4y = 12 or the other) in which the test point (0,1) lies. If false, shade the other side of -3x + 4y = 12.

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3 years ago

In how many years will $ 21,136.18 amount to $ 75,514.55 at 27.54 % per annum when compounded quarterly?

qaws [65]

The number of years is 4.781 in which $21,136.18 amount to $75,514.55 at 27.54% per annum when compounded quarterly and this can be determined by using the formula of the compound interest.

Given :

Principal amount = $21136.18
Final amount = $75514.55
Interest rate per annum = 27.54%
Compounded quaterly.

The formula of the compound interest is given by:

$\rm A= P(1+\dfrac{r}{n})^{nt}\\$

where A is the final amount, P is the principal amount, r is the interest rate, t is the time in years, and 'n' is a number of times interest applied.