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Vladimir [108]
3 years ago
9

A school has an aquarium in each room. Each aquarium has 2 catfish for every 3 angelfish. How many fish are in an aquarium that

has 6 catfish?
Mathematics
2 answers:
harkovskaia [24]3 years ago
8 0
2 x ? = 6 catfish. (?=3) so multiply everything by 3......3 x 3 = 9 angelfish!!
artcher [175]3 years ago
5 0

Answer:

15

Step-by-step explanation:

2:3 ratio

if there is 2 catfish in a tank, in order to reach 6 catfish, we need 3 tanks

therefore, 3*3=9, 9 is the amount of angel fish

6+9=15

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Round 1,283 to the nearest hundred?
cluponka [151]

Answer:

1300

Step-by-step explanation:

thousand  hundred tens one

1                    2           8       3

We are rounding to the nearest hundred

Looking at the tens

8 is 5 or greater we round the hundreds up

1300

5 0
3 years ago
Read 2 more answers
Evaluate 4x2 +3 when x=5
Molodets [167]

Answer:

103

Step-by-step explanation:

We substitute x with 5:

4(5)^2+3

Solve the exponent first:

5^2 = 25

<em>Note: We are using order of operations (consecutively)</em>

  1. <em>Parentheses </em>
  2. <em>Exponents</em>
  3. <em>Multiplication</em>
  4. <em>Division</em>
  5. <em>Addition </em>
  6. <em>Subtraction</em>

Multiply:

25 * 4 = 100

Add:

100 + 3 = 103

Our answer is 103

<em />

7 0
3 years ago
Read 2 more answers
What is the slope the line that passes through the points (-1, 3) and (1, -7)?
gulaghasi [49]

Answer:

-5 <3

Step-by-step explanation:

5 0
3 years ago
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A kangaroo hops 2 kilometers in 3 minutes. At this rate, how far does the kangaroo travel in 2 minutes? *
Dmitrij [34]

Answer:

At a speed of 2 km every 3 minutes, in 2 minutes the kangaroo would travel 1,333 km.

Step-by-step explanation:

If a kangaroo hops 2 kilometers in 3 minutes, to calculate how much distance this animal hops in 2 minutes, the following calculation should be performed:

2 km / 3 min = 0.666 km per minute (2/3 x 2)

0.666 km per minute x 2 minutes = 1.333 kilometers in 2 minutes (0.666 x 2)

Therefore, at a speed of 2 km every 3 minutes, in 2 minutes the kangaroo would hop 1,333 km.

5 0
3 years ago
If a+b = 7, and a² +b²=25<br>then ab = ?​
Rama09 [41]

a2+b2=25

or, (a+b)^2-2ab=25

or, (7)^2-2ab=25 [a+b=7]

or, 49-25=2ab

or, 24/2=an

•°• ab=12....

3 0
3 years ago
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