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lidiya [134]
3 years ago
6

How to find midpoint of (-3,2) (1,3)

Mathematics
1 answer:
sasho [114]3 years ago
8 0

Answer:

(-1,2.5)

Step-by-step explanation:

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A scientist has a container of 2% acid solution and a container of 5% acid solution. How many fluid ounces of each concentration
algol [13]

Let 'a' be the number of ounces of 2%-solution in the 25-ounce mixture

and 'b' be the number of ounces of 5%-solution in the 25-ounce mixture.

Since, fluid ounces of each concentration should be combined to make 25 fl oz.

So, a+b=25 (Equation 1)

And, a container of 2% acid solution and a container of 5% acid solution should be combined to make 25 fl oz of 3.2% acid solution.

So, a of 2% + b of 5% = 3.2% of 25

(a \times \frac{2}{100})+(b \times \frac{5}{100})= 25 \times \frac{3.2}{100}

(0.02a)+(0.05b)= 0.8

Multiplying the above equation by 100, we get

2a+5b=80 (Equation 2)

Substituting the value of a=25-b in equation 2, we get

2(25-b)+5b=80

50-2b+5b=80

50+3b=80

3b=30

b=10

Since, a=25-b

a= 25-10

a=15.

So, 15 fluid ounces of 2% solution combined with 10 ounces of the 5% solution to create a 25-ounce mixture at 3.2% concentration of acid.

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3 years ago
A motor scooter purchased for $1,000 depreciates at an annual rate of 15%. Write an exponential function, and graph the function
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A container was 1/2 filled with water. when 200 ml of water was poured out, it became 1/3 full. find the capacity of the contain
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Similar Triangles
NeTakaya

Answer:

5.3 ft

Step-by-step explanation:

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3 years ago
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