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4 years ago

Write three equivalent ratios for 2/7

Mathematics

1 answer:

Sholpan [36]4 years ago

4 0

Answer:

4:14, 6:21, 8:28

Step-by-step explanation:

2x2=4 2x7=14 = 4:14

2x3=6 3x7=21 = 6:21

2x4=8 4x7=28 =8:28

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3 years ago

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3 years ago

Ray recorded the amount he paid for his phone bill each month for the year in this table.

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3 years ago

Compute x/y if

Marysya12 [62]

Let first consider the equations one by one and will be solving one by one ;

${:\implies \quad \sf x+\dfrac{1}{y}=4}$

Multiplying both sides by y will lead ;

${:\implies \quad \sf xy+1=4y}$

${:\implies \quad \boxed{\sf xy=4y-1\quad \cdots \cdots(i)}}$

Now, consider the second equation which is ;

${:\implies \quad \sf y+\dfrac{1}{x}=\dfrac14}$

Multiplying both sides by x will yield

${:\implies \quad \sf xy+1=\dfrac{x}{4}}$

${:\implies \quad \sf xy=\dfrac{x}{4}-1}$

${:\implies \quad \boxed{\sf xy=\dfrac{x-4}{4}\quad \cdots \cdots(ii)}}$

As LHS of both equations (i) and (ii) are same, so equating both will yield;

${:\implies \quad \sf 4y-1=\dfrac{x-4}{4}}$

Multiplying both sides by 4 will yield

${:\implies \quad \sf 16y-4=x-4}$

${:\implies \quad \sf 16y=x}$

Dividing both sides by y will yield :

${:\implies \quad \boxed{\bf{\dfrac{x}{y}=16}}}$

<em>Hence, the required answer is 16</em>

5 0

2 years ago

Jose has 3/5 kilogram of peppermint and 2/3 kilogram of candy canes how many kilograms of candy dose he have

iVinArrow [24]

To find the answer to this question, we need to find the common denominator for 3/5 and 2/3.

The easiest way to do this is to multiply the denominators by each other.
5*3=15
Now, all we have to do is multiply the numerators by what we multiplied the denominators by, to make it equal.
3*3=9
2*5=10
Now all we have to do is add.
9/15+10/15=19/15 or 1 and 4/15.
Hope this helps!

3 0

3 years ago