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a_sh-v [17]
2 years ago
6

Please help i cant figure it out will mark branliest​

Mathematics
1 answer:
zhenek [66]2 years ago
4 0

Answer:

b

Step-by-step explanation:

hope it helped u take a look at the picture u attached

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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.

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

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.

7 0
3 years ago
At a school picnic, your teacher asks you to mark a field every 10 yards so students can play football. The teacher accidentally
Oxana [17]
Approximately 9 meters are in 10 yards, (as there is approximately 1 meter in a yard, .9144 to be exact.) 
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3 years ago
A 50-gallon rain barrel is filled to capacity. It drains at a rate of 10 gallons per minute. Write an equation to show how much
makvit [3.9K]

Answer:

The quantity of water drain after x min is 50 (0.9)^{x}  

Step-by-step explanation:

Given as :

Total capacity of rain barrel = 50 gallon

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Let The quantity of water drain after x min = y

Now, according to question

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I.e The quantity of water drain after x min = 50 gallon ×  (1-\dfrac{\textrm 10}{100})^{\textrm x}

or,  The quantity of water drain after x min = 50 gallon × (0.9)^{x}

Hence the quantity of water drain after x min is 50 (0.9)^{x}  Answer

4 0
3 years ago
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Answer:

36/500

Step-by-step explanation:

7 0
3 years ago
A circle has an arc of length 24pi that is intercepted by a central angle of 80 degrees. what is the radius of the circle?
SashulF [63]
Circumference = 2pi r

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r = 54
8 0
3 years ago
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