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SVETLANKA909090 [29]
2 years ago
11

Nadia wants to fill her rectangular fish tank with water. The fish tank measures 2 ft x 1 ft x 1.5 ft. The water level in her fi

sh tank needs to be at least 0.25 ft from the top. She uses a bucket that hold 1.25 ft^3 of water. How many buckets of water does Nadia need to fill the fish tank?
Mathematics
1 answer:
Ratling [72]2 years ago
7 0
In order to get the amount of water we would like to have in cubic feet, we must first subtract 0.25 ft (the distance from the top the waterline must be) from the height

1.5-0.25=1.25

Next we multiply the length, width, and new height in order to find the volume

2*1*1.25=2.5ft^3

We divide this by the volume of water the bucket can hold

2.5/1.25=2

Thus, we need 2 buckets of water in order to fill the tank
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ASHA 777 [7]
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3 years ago
Which calculation should be used to calculate s9 for the arithmetic sequence an=3n-1
Ganezh [65]

Answer: Choice A

S9 = (9/2)*(2+26)

===============================================

The formula is

Sn = (n/2)*(a1+an)

where

Sn = sum of the first n terms (nth partial sum)

n = number of terms

a1 = first term

an = nth term

In this case,

n = 9

a1 = 2 (plug in n = 1 into the formula an = 3n-1 and simplify)

an = a9 = 26 (plug n = 9 into the formula an = 3n-1 and simplify)

So,

Sn = (n/2)*(a1+an)

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will help us find the sum of the first 9 terms of this arithmetic sequence

7 0
2 years ago
Read 2 more answers
Find the length of side X
NISA [10]

Answer:

C

Step-by-step explanation:

Using Pythagoras' identity in the right triangle

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x² + 36 = 289 ( subtract 36 from both sides )

x² = 253 ( take the square root of both sides )

x = \sqrt{253} → C

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DIA [1.3K]

The two numbers are 8 and 12.

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When multiplied, you get a product of 96.

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rewona [7]

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we have this as;

450,000 * $0.05 = $22,500

6 0
2 years ago
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