2 years ago

Using the midpoint formula find BC if B(8,-7) and C(-4,-2)

Mathematics

1 answer:

arsen [322]2 years ago

6 0

Answer:

(2, -4.5)

Step-by-step explanation:

Used midpoint formula

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A 20% apple juice drink is mixed with a 100% apple juice drink. The function f(x)=(2)(1.0)+x(0.2)2+x models the concentration of

luda_lava [24]

Answer:

17.5

Step-by-step explanation:

Given that:

20% apple juice drink is mixed with a 100% apple juice drink.

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represents the concentration of apple juice in the drink when $x$ gallons of 20% drink are added to 2 gallons of pure juice.

Also, given that 6 gallons of 20% drink are added to the 2 gallons of pure juice.

To find:

The concentration of apple juice in the drink = ?

Solution:

Given the function:

$f(x)=\dfrac{(2)(0.1)+x(0.2)}{2+x}$

and

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$f(x)=\dfrac{(2)(0.1)+6(0.2)}{2+6}\\\Rightarrow f(x)=\dfrac{0.2+1.2}{8}\\\Rightarrow f(x)=\dfrac{1.4}{8}\\\Rightarrow f(x)=\bold{0.175}$

In percentage, the concentration 17.5.

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3 years ago

A block of wood has a mass of 120g and a volume of 200cm3. What is the density of the wood?

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Density=mass/volume
given mass=120g and volume=200cm3
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the density is $0.6 \space\ \frac{g}{cm^3}$

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3 years ago

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