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3 years ago

How do you model a decimal using a fraction 5th grade

1 answer:

7 0

If the decimal is 1 number divide that number into 10 Then simplify the fraction if possible. if the decimal are 2 numbers divide those 2 numbers by 100 Then simplify the fraction if possible

3 numbers:by 1000, etc

Ex 0.4= 4/10 = 2/5

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I’m in Algebra 2 and we’re currently on the subject of “Solving Absolute Value Equations” and I’m having trouble with this equat

saw5 [17]

let's bear in mind that an absolute value expression is in effect a piece-wise expression, namely it has a ± versions of the same expression.

$\bf 5|3x-4| = x+1\implies |3x-4|=\cfrac{x+1}{5}\implies \begin{cases} +(3x-4)=\cfrac{x+1}{5}\\[1em] -(3x-4)=\cfrac{x+1}{5} \end{cases} \\\\[-0.35em] ~\dotfill\\\\ +(3x-4)=\cfrac{x+1}{5}\implies 3x-4=\cfrac{x+1}{5}\implies 15x-20=x+1 \\\\\\ 14x-20=1\implies 14x=21\implies x = \cfrac{21}{14}\implies \boxed{x=\cfrac{3}{2}} \\\\[-0.35em] ~\dotfill\\\\ -(3x-4)=\cfrac{x+1}{5}\implies -3x+4=\cfrac{x+1}{5}\implies -15x+20=x+1 \\\\\\ 20=16x+1\implies 19=16x\implies \boxed{\cfrac{19}{16}=x}$

6 0

3 years ago

The value of y varies directly with x, and y = 12 when x = 16. Find y when x 6.

Tom [10]

C 2/9 is the answer

7 0

3 years ago

which of the following equations is the equation of a suitable line of best fit for the data given below {(45,18), (62,13), (72,

Nuetrik [128]

Sort the data by x:

(26,31),(29,28), (33,25), (38,21),(45,18),(49,17),(55,15), (62,13),(64,13), (72,11), (92,9)}

That look like an obvious decreasing trend. From the first and last point we get a slope of (9-31)/(92-26) = -1/3 and a y intercept of 31 - (-1/3)26 = 39.67.

That's pretty close to Choice d y=-3/10x+35

Answer: d

5 0

3 years ago

Micah buys 10 pens for every 2 pencils. Rachel buys 12 pens for every 3

Brrunno [24]

Answer:

Step-by-step explanation:

micah

10: 2

5:1

rachel

12: 3

4:1

7 0

3 years ago

What are the answers

gulaghasi [49]

Answer and Step-by-step explanation:

7. 70 - 180 = 110

8. 39 - 180 = 141

9. 81 - 180 = 99

10. 81 - 180 = 99

11. 115 - 180 = 65

12. 41+36 = 77 - 180 = 103

x = answer

4 0

2 years ago

How do you model a decimal using a fraction 5th grade​

How do you model a decimal using a fraction 5th grade