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EastWind [94]
2 years ago
9

Can someone plz help me?

Mathematics
1 answer:
Natalija [7]2 years ago
8 0

Answer:

A. 5(y+3) = 5(3+y)

Step-by-step explanation:

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A marine aquarium has a small tank and a large tank, each containing only red and blue fish. In each tank, the ratio of red fish
Anna007 [38]

Answer:

Ratio of blue fish in the small tank to the red fish in large tank is 10 : 6279

Step-by-step explanation:

Let the number of red fish and blue fish in the large tank are x and y respectively.

Similarly ratio of red fish and blue fish in the small tank are x' and y' respectively.

Since in each tank ratio of the red fish to blue fish is 333 : 444

That means x : y = 333 : 444

Or \frac{x}{y}=\frac{333}{444}

⇒ \frac{x}{y}=\frac{3}{4}

⇒ y = \frac{4x}{3} --------(1)

Similarly x' : y' = 333 : 444

⇒ \frac{x'}{y'}=\frac{333}{444}

⇒ \frac{x'}{y'}=\frac{3}{4}

⇒ x' = \frac{3y'}{4} ------(2)

Ratio of the fish in large tank to the fish in small tank is 464646 : 555

So (x + y) : (x' + y') = 464646 : 555

\frac{x+y}{x'+y'}=\frac{464646}{555}

Now we replace the values of x and y' from equation (1) and equation (2)

\frac{(x+\frac{4x}{3})}{(\frac{3y'}{4}+y')}=\frac{464646}{555}

\frac{\frac{7x}{3}}{\frac{7y'}{4}}=\frac{464646}{555}

\frac{4}{3}\times \frac{x}{y'}=\frac{464646}{555}

\frac{x}{y'}=\frac{3}{4}\times \frac{464646}{555}

\frac{x}{y'}=\frac{232323}{370}

\frac{y'}{x}=\frac{370}{232323}

\frac{y'}{x}=\frac{10}{6279}

Therefore, ratio of blue fish in the small tank to the red fish in large tank is 10 : 6279

4 0
3 years ago
7.7.4 Practice: Modeling: Similarity Theorems will give brainliest
Nimfa-mama [501]

Similar triangles may or may not be congruent

  • The height of the peak is 72 feet
  • The triangles are similar by AA similarity postulate

<h3>How to determine the similarity statement</h3>

First, we determine the height of the peak using the following equivalent ratios

P B :  B M = T F : F M

So, we have:

PB : 20ft= 6ft : 1ft\ 8in

Express the units in inches

PB : 240in= 72in: 20in

Express as fractions

\frac{PB}{240} = \frac{72}{20}

Multiply both sides by 240

PB = \frac{72 * 240}{20}

PB = 864

Express as feet

PB = 72 feet

So, the height of the peak is 72 feet

The ratio also means that the triangles are similar by AA similarity postulate

Read more about similar triangles at:

brainly.com/question/14285697

5 0
2 years ago
A car dealer offers a discount of 15% off the normal price of a car for cash.
motikmotik

Answer:

7200

Step-by-step explanation:

100/(100-15) * 6120 = 7200

6 0
3 years ago
Type the correct answer In each box. If neessary, use / for the fraction bar(s). If a = 0.6 and b=0.75, then a b = and a/b=​
lubasha [3.4K]

Answer:

Socratic app

Step-by-step explanation:

it will help you

5 0
2 years ago
Rational numbers are numbers that can be written as the ______ of _____. What are the blanks?​
BARSIC [14]

Answer:

rational numbers are numbers that can be written as the ratio of two integers

5 0
3 years ago
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