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iVinArrow [24]
3 years ago
14

100 POINTS!!!! PLZ HELP ME I HAVE TO HAND IT IN!!! plz answer and show all steps

Mathematics
1 answer:
qaws [65]3 years ago
7 0
Give me a minute. I’m trying to solve
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A pet store has 150 goldfish and betta fish altogether. The ratio of goldfish to betta fish is 2:3. How many goldfish does the p
Kipish [7]

The number of goldfish in the pet store is equal to 60 fishes.

  • Let the goldfish be G.
  • Let the betta fish be B.

<u>Given the following data:</u>

  • Total number of fishes = 150 fishes.
  • Ratio of G to B = 2:3
  • Total ratio= 2 + 3 = 5

To calculate the number of goldfish that the pet store have:

<h3>What is ratio?</h3>

Ratio can be defined as an expression that is used to denote the proportion of two (2) or more quantities with respect to one another and the total quantities.

Mathematically, the number of goldfish in the pet store is given by this expression:

G = \frac{2}{5} \times 150\\\\G=0.4 \times 150

G = 60 fishes.

Read more on ratio here: brainly.com/question/13513438

6 0
2 years ago
Read 2 more answers
Find the values of which satisfy the equation. 2 cos (2B+30°) = -√3 in the domain OP ≤B≤360°​
PSYCHO15rus [73]

Answer:

60 and 90

Step-by-step explanation:

2 \cos(2 \beta  + 30)  =  -  \sqrt{3}

\cos(2 \beta  + 30)  =  -  \frac{ \sqrt{3} }{2}

2 \beta  + 30 =  \cos {}^{ - 1} ( \frac{   -   \sqrt{3} }{2} )

First solution.

2 \beta  + 30 = 150

2 \beta  = 120

\beta  = 60

Second solution

2 \beta  + 30 = 210

2 \beta  = 180

\beta  = 90

5 0
2 years ago
What is the volume of this prism if there are no gaps or overlaps in the unit cubes?
777dan777 [17]

Nothing there.

Use this as a tip:

To find the volume of a rectangular prism, multiply its 3 dimensions: length x width x height. The volume is expressed in cubic units.

7 0
2 years ago
Every year Ethan earns 38,428. Each year he spends 21,728 on expenses. How much money should he have left over?
PolarNik [594]

Answer:

16,700

Step-by-step explanation:

Given that,

Earning of Ethan = 38,428

Ethan spends 21,728 on expenses.

We need to find the amount of money he has left over. It can be calculated as follows :

Left money = Earning - Spent

= 38,428 - 21,728

= 16,700

So, he has left over 16,700.

7 0
3 years ago
Thirty pounds of salt water solution contains fifteen percent salt. How much salt is in the water?
amid [387]
The answer would be 4.5 pounds of salt.

4.5         15
-----  =  -------
30         100
7 0
3 years ago
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