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scZoUnD [109]
3 years ago
9

A The number of tropical fish that an aquarium can hold depends on the volume of the fish tank. The interior dimensions of a fis

h tank are 30 cm, 90 cm, and 70 cm. Each fish requires 27000 cubic centimeters of water. How many tropical fish will this fish tank hold?
a. 8
b. 6
c. 9
d. 7
Mathematics
1 answer:
Delicious77 [7]3 years ago
5 0

Answer:

7

Step-by-step explanation:

We need to first of all find the volume of the fish tank. The most probable shape the ship tank can have is that of a cuboid.

The volume of a cuboid is l * b * h

And this is equals 30cm * 70cm * 90cm = 189,000 cubic centimeters

The number of fish the tank can contain can be obtained by dividing the volume by the volume occupied by a single fish.

This is 189,000/27000 = 7

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Rosa and Albert receive the same amount of allowance each week . The table shows what part of their allowance they each spent on
Anettt [7]
1/2 x > 0.4x

where Robert's spending is greater than Rosa's spending.

Allowance of Rosa = Allowance of Robert

let x = allowance

Rosa : video games = 0.4(x) ; pizza = 2/5 (x)
Robert : video games = 1/2 (x) ; pizza = 0.25 (x)

let us assume that their allowance is 100 each week. so, x = 100

Rosa : video games = 0.40(100) = 40
           pizza 2/5 (100) = 200/5 = 40
total spending: 40 + 40 = 80

Robert : video games = 1/2 (100) = 50
             pizza 0.25 (100) = 25
total spending: 50 + 25 = 75

Spending on video games
Rosa = 40
Robert = 50

Robert spent more of his allowance on video games than Rosa.

1/2 x > 0.4x
7 0
3 years ago
Find the LCM<br> of 9 and 27.
Mnenie [13.5K]

Answer:

27

Step-by-step explanation:

The answer is 27, because 9 x 3 = 27 and the smallest number that is the same is 27.

Hope this helps!

6 0
3 years ago
Read 2 more answers
Write these as normal numbers.
netineya [11]

Answer:

Step-by-step explanation:

5.1 × 108 = 550.8

9.6 × 10^0

10^0 = 1

9.6 × 1 = 9.4

2.44 × 10 = 24.4

5.023 × 1010 = 5073.23

4 0
3 years ago
Of the 27 players trying out for the school basketball team, 8 are more than 6 feet tall and 7 have good aim. What is the probab
NNADVOKAT [17]

Answer:

5/9

Step-by-step explanation:

From the information, 8 are more than 6 feet tall and 7 have good aim.

Therefore, the probability that the coach would randomly pick a player over 6 feet tall or a player with a good aim will be:

= 8/27 + 7/27

= 15/27

= 5/9

8 0
2 years ago
A journeyperson earns $28.75 per hour. A new apprentice earns 60% of the journeyperson's rate.
maxonik [38]

Answer:

$503.70

Step-by-step explanation:

$28.75 × .6 = $17.25

$17.25 × 40 = $690

$690 × .27 = $186.30

$690 - $186.30 = $503.70

8 0
2 years ago
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