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katrin [286]
3 years ago
13

Aquarium has a height of 25 inches and a radius of 21 inches what is the volume of the aquarium in cubic inches

Mathematics
1 answer:
dalvyx [7]3 years ago
5 0

Answer:34,650\ in^3

Step-by-step explanation:

Given

The height of the aquarium is h=25\ inches

The radius of the aquarium is r=21\ inches

Assuming aquarium to be in the shape of a cylinder

So, its volume is V=\pi r^2h

Insert the values

\Rightarrow V=\pi \times 21^2\times 25\\\Rightarrow V=34,650\ in^3

Thus the volume of the aquarium is 34,650\ in^3.

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Use the law of cosines to solve the problem.on a baseball field, the pitcher's mound is 60.5 feet from home plate. during practi
34kurt

Answer: 169.26 feet.

Step-by-step explanation:

Here, The distance of pitcher's mound from the home plate = 60.5 feet

And, the distance covered by ball when it was hit by the bat = 216 feet

Let the outfielder throw the ball from the distance x feet.

Thus, by the below diagram,

x^2=216^2+60.5^2-2\times 216\times 60.5\times cos(34^{\circ})

x^2=46656+3660.25-21667.7259963 =28648.5240037

\implies x = 169.258748677\approx 169.26\text{ feet}

Hence, the outfielder throw the ball from the distance of 169.26 feet Approximately.

7 0
4 years ago
A turtle population grows in a manner that closely resembles a geometric sequence. Given the table of values, determine the turt
AleksandrR [38]

The turtle population will be 486 after 5 years.

<u>Step-by-step explanation</u>:

The general form of a geometric progression or geometric sequence is a, ar, ar², ar³ and so on.

where,

  • a = first term
  • r = common ratio

<u>The formula to find the nth term in GP is :</u>

nth term = ar^{n-1}

The given sequence 6,18,54.

In this sequence,

  • The first term, a = 6
  • The common ratio, r = 18/6 = 3

5th term = 6\times3^{5-1}

⇒ 6\times3^{4}

⇒ 6\times81

⇒ 486

Therefore, after 5 years the population will be 486.

5 0
4 years ago
Which expressions are equivalent to 2(25)?<br> 2(20 + 15)<br> 2(10 + 15)<br> 2(2 + 5)<br> 2(20 + 5)
jenyasd209 [6]
B) 2(10+15) would be correct :)
3 0
4 years ago
Can this please be worked out so I can have a better understanding?
larisa86 [58]

Step-by-step explanation:

no, no, you use the equation to identify a, b and c.

then you use the formula with these values to get the solutions to the equation (the values of x for which the equation delivers 0).

always remember, a quadratic equation always has 2 solutions. sometimes at least one of them are not a real number, sometimes the 2 springs are equal, ...

x² - 4x - 2 = 0

a, b, c are the factors of the terms in x and the constant term.

so,

a = 1

b = -4

c = -2

x = (-b ± sqrt(b² - 4ac))/(2a)

x = (4 ± sqrt((-4)² - 4×1×-2))/(2×1) =

= (4 ± sqrt(16 + 8))/2 = (4 ± sqrt(24))/2 =

= (4 ± sqrt(4×6))/2 = (4 ± 2×sqrt(6)) / 2 =

= 2 ± sqrt(6)

x1 = 2 + sqrt(6)

x2 = 2 - sqrt(6)

6 0
2 years ago
Read 2 more answers
Maths question pls answer
Vitek1552 [10]

Answer:

81

Step-by-step explanation:

We need to know the sides of the square so 36÷4=9

Area of a square = Side x side

Area of square = 9x9=81

3 0
3 years ago
Read 2 more answers
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