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Firlakuza [10]
3 years ago
10

Prove that 3:8 is equivalent to 12:32 use the discription of equivalent ratios to support your awnser

Mathematics
1 answer:
bagirrra123 [75]3 years ago
4 0

Explanation:

3 : 8

x 4 x4

= 12 : 32

or

\frac{3}{8}  \times  \frac{4}{4}  =  \frac{12}{32}

It can be written two ways; 3:8 or 12:32. Equivalent ratios (or equivalent fractions) are two ratios that express the same relationship between numbers. We can create equivalent ratios by multiplying or dividing both the numerator and denominator of a given ratio by the same number.

Hope this helps : )

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X÷4+9=12 plzzzzzzzzzzzzzzz help step by step
xeze [42]
So we are trying to solve for x so in order to do that we need to get x by itself on one side of the equal sign

first we are going to combine like terms on each side of the equal side

so on the left side we see 4+9 these are booth whole numbers not attached to a variable so we can simplify this by adding these two values together making our equation: x/13 = 12

our x is still not by itself so in order to get it by itself we need to get rid of that 13

we need that x is being divided by 13 so in order to get rid a divided value we have to do the opposite to both sides - multiply by 13 on each side!

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so our equation is now:
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is our x by itself on one side of the equal sign? yes! so our x value is 156
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4 years ago
Kiran says, "I bought 2.5 pounds of red and yellow lentils. Both were $1.80 per pound. I spent a total of $4.05." Write a system
Dmitry_Shevchenko [17]

Answer:

The system of equations is given as:

x + y = 2.5 .... Equation 1

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Step-by-step explanation:

Kiran says, "I bought 2.5 pounds of red and yellow lentils. Both were $1.80 per pound. I spent a total of $4.05

Let

x represent red lentils

y represent yellow lentils.

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1.80x + 1.80y = 4.05....Equation 2

The system of equations is given as:

x + y = 2.5 .... Equation 1

1.8x + 1.8y = 4.05....Equation 2

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Step-by-step explanation:

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Step-by-step explanation:

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