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3 years ago

1/5x-2/3y=30 when y=15

Mathematics

1 answer:

dolphi86 [110]3 years ago

5 0

Answer:

Step-by-step explanation:

Step 1: Set y to 15 and solve

$\frac{1}{5}x - \frac{2}{3}*15=30$

$\frac{1}{5}x-10=30$

Add 10 to both sides

$\frac{1}{5}x-10+10=30+10$

$\frac{1}{5}x=40$

Multiply both sides by 5

$\frac{1}{5}x*\frac{5}{1}=40*\frac{5}{1}$

$x=200$

Answer: $x=200$

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FromTheMoon [43]

Answer:

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Step-by-step explanation:

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If these solids are similar, find the volume of the larger solid

step 1

Find the scale factor

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If two solids are similar, then the ratio of its corresponding sides is proportional and this ratio is called the scale factor

Let

x ----> the height of the larger solid in mm

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step 2

Find the volume of the larger solid

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If two solids are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

Let

x ----> the volume of the larger solid in cubic millimeters

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