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3 years ago

Jason takes 2 centiliters of medicine. How many milliliters is this?

Mathematics

2 answers:

spin [16.1K]3 years ago

7 0

Jason has taken 20ml

balu736 [363]3 years ago

4 0

Jason has 20 ml how I get 20 ml 2 times 10

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Determine whether quantities vary directly or inversely and find the constant of variation. 16 factory workers made 40 pieces in

Andrei [34K]

Answer:

Part A) $8\ workers$

Part B) $10\ workers$

Part C) $40\ workers$

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $k=\frac{y}{x}$ or $y=kx$

Let

x -----> the number of workers

y ----> the number of pieces made

In this problem

The relation between the variables x and y represent a direct variation (proportional variation)

For x=16, y=40

Find the value of the constant of proportionality k

$k=\frac{y}{x}$

substitute the values

$k=\frac{y}{x}$

$k=\frac{40}{16}\\k=2.5\ \frac{pieces}{worker}$

The linear equation is equal to

$y=2.5x$

Part A) How many workers are needed to make 20 pieces

For y=20 pieces

substitute in the linear equation

$20=2.5x$

$x=8\ workers$

Part B) How many workers are needed to make 25 pieces

For y=25 pieces

substitute in the linear equation

$25=2.5x$

$x=10\ workers$

Part C) How many workers are needed to make 100 pieces

For y=100 pieces

substitute in the linear equation

$100=2.5x$

$x=40\ workers$

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3 years ago

The formula for the volume of a sphere is V=4/3πr^3. What is the formula solved for r?

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<span>The formula for the volume of a sphere is V=4/3πr^3. Find the radius of a sphere with each volume.
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Solve for r

r =~ 1.3365 inches</span>

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