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soldi70 [24.7K]

3 years ago

10

Show an example of converting a rational number to a decimal using long division and declare as terminating or repeating.

2 answers:

irakobra [83]3 years ago

5 0

Answer:

look at explanation

Step-by-step explanation:

if you try to turn 1/3 into a decimal it will go on forever and turn into 0.333.......

and go on forever. The same thing happens when you use 4/3.

exis [7]3 years ago

4 0

Answer:

Take a fraction (Rational Number) and divide the top number (Numerator) by the bottom number (Denominator).

Step-by-step explanation:

As an example, let's use 7/8. In this case, you will take 7 and divide it by 8. The quotient will be 0.875, which is this rational number in decimal form. Sometimes, the decimal will repeat after dividing the numbers, for example, 1/3 will become 0.3 where the 3 is repeating. This also works with mixed numbers. You take the fraction and used the process I just discussed, then you take the whole number and put it in front of the decimal point.

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Andrew is about to leave for school. If he walks at a speed of 50 meters per minute, he will arrive 3 minutes after the bell rin

Mariana [72]

Answer:

The answer is: 13 minutes

Step-by-step explanation:

First Let us form equations with the statements in the two scenario

$time=\frac{distance}{speed}$

Let the time in which the bell rings be 'x'

1. If Andrew walks (50 meters/minute), he arrives 3 minutes after the bell rings. Therefore the time of arrival at this speed = (3 + x) minutes

$3 + x =\frac{distance}{50}\\distance = 50(3+x) - - - - - (1)$

2. If Andrew runs (80 meters/minute), he arrives 3 minutes before the bell rings. Therefore the time taken to travel the distance = (x - 3) minutes

$x - 3 = \frac{distance}{80} \\distance = 80(x-3) - - - - - (2)$

In both cases, the same distance is travelled, therefore, equation (1) = equation (2)

$50(3+x)=80(x-3)$

$150 +50x=80x-240\\$

Next, collecting like terms:

$150 + 240 = 80x - 50x\\390 = 30x\\30x = 390\\$

dividing both sides by 3:

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What is limit of (x cubed 3 x squared 4 x minus 12) as x approaches negative 3? –78 –24 30 54

Sergio039 [100]

The limit of the expression as x approaches -3 is -24

<h3>How to determine the limit of the expression?</h3>

The expression is given as:

$x^3 + 3x^2 + 4x - 12$

As x approaches -3.

The limit expression becomes

$\lim_{x \to -3} x^3 + 3x^2 + 4x - 12$

Substitute -3 for x in the expression

$\lim_{x \to -3} (-3)^3 + 3(-3)^2 - 4*3 - 12$

Evaluate the expression

$\lim_{x \to -3} -24$

Hence, the limit of the expression as x approaches -3 is -24

Read more about limit expressions at:

brainly.com/question/16176002

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2 years ago