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Amanda [17]
3 years ago
9

How many ounces of a 12% alcohol solution and a 22% alcohol solution must be combined to obtain 80 ounces of a 17% solution?

Mathematics
1 answer:
Fed [463]3 years ago
4 0

Answer:

40 ounces

Step-by-step explanation:

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Find the zeros of each function by using a graph and a table f(x)=x^2+3x-18.
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1) Finding the zeros of this function f(x) =x² +3x -18

f(x) = x²+3x-18 <em>Factoring this equation, and rewriting it</em>

<em />

<em>Which two numbers whose sum is equal to 3 and their product is equal to 18?</em>

<em>6 -3 = 3 and 6 *-3 = -18</em>

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<em>So we can rewrite as (x +6) (x-3)</em>

<em> </em>

(x+6)(x-3)=0 <em>Applying the Zero product rule, to find the roots</em>

x+6=0,

x=-6

x-3=0,

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S={3,-6}

2) Setting a table, plugging in the values of x into the factored form: (x-6)(x-3)

x | y |

1 | -14 (1 +6)(1-3) =-14

2 | -8 (2 +6)(2-3) =-8

3 | 0

4 | 10

-5 | -8

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3) Plotting the function:

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1 year ago
7. The $5 gift cards are given away first. In
Trava [24]

Answer:

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Step-by-step explanation:

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The exponential probability distribution is a discrete distribution that is often used to describe time between customer arrival
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53.65 gallons → B

Since the tanks are equal in size then to find the volume of 1 tank

divide the total by 12

one tank = \frac{643.8}{12} = 53.65


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3 years ago
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vivado [14]

Answer:

2(l+b) =38

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more information required for find length and breadth

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3 years ago
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