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3 years ago

Solve for y in this equation

Mathematics

1 answer:

Trava [24]3 years ago

3 0

Answer:

y= -1 1/3

Decimal form: -1.3

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A cafeteria sells 30 drinks every 15 minutes. How many drinks can be sold in one hour?

aev [14]

Answer:30 drinks

Step-by-step explanation:

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3 years ago

What is the maximum volume of water a hamster bath could hold with a deph of 1 2/3 , a length of 2 1/3 inches and width of 2 inc

lidiya [134]

Answer:

$7\frac{7}{9}in^{3}$

Step-by-step explanation:

Volume of a prism can be found using the general formula:

V = l x w x h, where l = length, w = width and h = height

Given the dimensions of l = $2\frac{1}{3}in$ ; w = $2in$ and h = $1\frac{2}{3}in$ , you can first convert your mixed numbers to improper fractions and then multiply.

$2\frac{1}{3}in$ = $\frac{5}{3}$

$1\frac{2}{3}in$ = $\frac{7}{3}$

V = $\frac{5}{3}*\frac{7}{3}*\frac{2}{1}=\frac{70}{9}=7\frac{7}{9}in^{3}$

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3 years ago

A parallelogram is shown below:

Oliga [24]

Answer:

area of whole triangle is 3

area of triangle cut in half is 1.5

Step-by-step explanation:

Area: (.5)(8)(3/4)=3

Area of each triangle. It would be split down the middle. from a to c

3/2=1.5

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3 years ago

how many liters of a 40% acid solution must be added to 12 liters of a 20% solution to obtain a 25% solution

kkurt [141]

Answer:

The answer is 4 liters.

Step-by-step explanation:

We want a final 25% solution, which means that the solvent should constitute 25 percent of all the liters of solution.

Let us call $x$ the litres of 40% solution, so when they are added to the 12 litres of 20% solution, the total litres of the new solution are:

$x+12$

of these liters, 25% must be the solvent:

$N=0.25(x+12)$

Now for the 40% solution, the liters of the solvent are $0.4x$ , and for the 20% liter solution, the liters of solve are $0.2*12=2.4$ liters. Thus the total liters $N$ of the solvent are