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zysi [14]
3 years ago
6

Explain the steps for converting a terminating decimal into a rational number (fraction). Use the decimal 0.25 to provide an exa

mple of each step.
Make sure to include ALL steps.
Mathematics
1 answer:
forsale [732]3 years ago
6 0
Terminating decimal
rmember that all numbers can be put over 1 and that is a fraction
ex
1/1=x
3/1=3
π/1=π

so therefor
0.25=0.25/1
if yo want to make the top number equal a whole number
multiply top and bottom by 100 to move 0.25 two decimal places to the right to make it ahwole number

0.25/1 times 100/100=25/100=1/4
answer is 1/4

steps:
1. find how many decimal placees the number goes to (ex. 0.25=2 places 0.2=1 place, 0.2345=4 places)
2. put the decimal over 1 (so if the decimal is x then do x/1)
3. find a fraction that is 10/10 such that the number of zeros one the top should be equal to the zeroes on the bottom, the number of zeros on the top should be equal to the number of decimal places from step 1
4. multiply the fraction (x/1) from step 2 by the fraction from step 3
5. simplify the resulting fraction

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(40s+100t) divid by 10
Olenka [21]

Answer:

=4s+10t

Step-by-step explanation:

4s has no like terms so we divide by 10 and that gives us 4.

100t has no like terms so we divide 100 by 10 that gives us 10. This means that our total answer is (4s+10t). Hope this helped! If it did can I have brainliest thx.

3 0
3 years ago
Consider the function f(x) = the quantity x squared minus x minus 12 all over the quantity x plus 3. Describe the graph of this
FromTheMoon [43]

Answer:

The graph of f(x) is discontinuous at x= -3. The x and y-intercepts or he function f(x) are (4,0) and (0,-4) respectively. The graph of the function is a straight line.

Step-by-step explanation:

The given function is

f(x)=\frac{x^2-x-12}{x+3}

f(x)=\frac{x^2-4x+3x-12}{x+3}

f(x)=\frac{x(x-4)+3(x-4)}{x+3}

f(x)=\frac{(x-4)(x+3)}{x+3}

Cancel out the common factor (x+3).

f(x)=x-4

It is a linear equation and it will give a straight line.

Put x=0, to find the y-intercept.

f(x)=0-4

f(x)=-4

Therefore the y-intercept is (0,-4).

Put x=0, to find the x-intercept.

0=x-4

4=x

Therefore the x-intercept is (4,0).

At x= -3 the value of denominator is 0, therefore the function is undefined for x= -3.

As x approaches toward x=-3 from left and right, the value of function approaches towards y=-7.

The function is discontinuous at x= -3.

4 0
3 years ago
Read 2 more answers
According the graph what is f(1)
Dafna11 [192]
F(1) is 0. go on the x axis one to the right, then find the point on the line that intersects x=1
6 0
3 years ago
How to order 2.8, -2 3/4, 3 1/8, -2.2 least to greatest
sukhopar [10]
-2 3/4, -2.2, 2.8, 3 1/8.............
3 0
3 years ago
Mike buys three cans of pop per week. This is one more than two fifths the number of cans of juice Mike buys per week. Determine
Drupady [299]

Answer:

5

Step-by-step explanation:

Mike buys 3 cans of pop per week and this is one more than 2/5 of the number of cans of juice that he buys.

Let the number of cans of juice be j and let the number of cans of pop be buys be p.

This means that:

p = 1 +2j/5

Make j subject of formula:

p - 1 = 2j/5

=> 2j = 5p - 5

j = ½(5p - 5)

p = 3 (from the question)

Therefore:

j = ½(5 * 3 - 5) = ½(15 - 5)

j = ½ * 10 = 5

Mike buys 5 cans of juice per week.

7 0
3 years ago
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