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Mice21 [21]
3 years ago
13

How to know what number is a rational number?

Mathematics
2 answers:
sesenic [268]3 years ago
6 0
A rational number has an end but irrational doesn’t( think of pi or 1/3);)
Art [367]3 years ago
4 0

Answer:

A rational number is a number that can be made by dividing two integers (an integer is a number with no fractional part).  The word rational includes the word "ratio." Rational numbers are basically numbers, either positive or negative that you get by dividing 2 numbers. Any number is a rational number, even fractions and decimals, except pi due to the fact that it's a irrational number.

Step-by-step explanation:

Examples of rational numbers include, 1, which you get by dividing 1 by 1, 2 which you get by dividing 2 by 1 and 2.12, which you get by dividing 212 by 100.

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If f(x) = -4x^2 - 6x - 1 and g(x) = -x^2 - 5x + 3, find (f + g)(x).
Flauer [41]

Answer:

-5x^{2}-11x+2

Step-by-step explanation:

-4x^{2} \\-6x-1-x^{2}-5x+3=-5x^{2}-11x+2

7 0
3 years ago
A stone has a mass of
weqwewe [10]

To find the density of the stone divide the mass by the volume:

Density of stone = 100 grams / 10 ml = 10g/ml


Since the density of the stone is more than the density of the water, it will sink.

4 0
3 years ago
Read 2 more answers
On May 19, Bette Santoro borrowed $3,000 from Resse Bank at a rate of 12 1/2%. The loan is to be repaid on October 8. Assuming t
attashe74 [19]

The total interest cost to Bette is  $145.89

What is exact interest basis?

Exact interest means that the interest is computed on 365-day per year basis rather than a 360-day per year basis, which is the case with financial institutions.

The first task in this case is to determine the number of days from May 19, when the amount was borrowed till October 8, when loan repayment was effected.

There are 142 days between the two dates, hence, we can compute exact interest on the loan as shown by the below formula:

exact interest=loan principal*number of days the borrowing last/365days *interest rate

loan principal=$3000

number of days the borrowing last=142

interest rate=12.5%(1/2%=0.5%)

Exact interest=$3000*142/365*12.5%

Exact interest=$145.89

The amount would have been different if ordinary interest where the number of days in a year is deemed to be 360, was used instead

Find out more on exact interest on:brainly.com/question/10710550

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5 0
2 years ago
The solution to the system of equations, where f(x)=g(x), is located at _[blank]_.
SashulF [63]

Answer:

(1, 1 )

Step-by-step explanation:

The solution to a system of equations given graphically is at the point of intersection of the 2 graphs.

Here the point of intersection is at (1, 1 )

Thus the solution to f(x) = g(x) is (1, 1 )

4 0
3 years ago
What is the equation of a line, in point-slope form, that passes through (−8, 1) and has a slope of 5/6 ?
nataly862011 [7]
Point slope form= y-y1=m(x-x1)
y-1=5/6(x+8)
The answer is A
5 0
3 years ago
Read 2 more answers
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