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3 years ago

Given a sphere with a radius of 2 cm find the volume of the nearest whole number

Mathematics

1 answer:

Liula [17]3 years ago

7 0

Answer:

34cm3

Step-by-step explanation:

Volume of sphere = 4/3 pi x cube of radius

Radius =2cm , pi = 3.142

Volume = 4/3 x 3.142 x 2 x 2 x 2

Volume = 1.3333 x 3.142 x 8

Volume = 33.5cm3

Volume = 34cm3 to the nearest whole number

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The number of books in a small library increases according to the function B =5400e^0.02t Where t is measured in years how many

Artyom0805 [142]

We have been given that the number of books in a small library increases according to the function $B =5400e^{0.02t}$ , where t is measured in years. We are asked to find the number books in the library after nine years.

To find the number books in the library after nine years, we will substitute $t=9$ in our given equation as:

$B =5400e^{0.02(9)}$

$B =5400e^{0.18}$

$B =5400(1.1972173631218102)$

$B =6464.973760857$

Upon rounding to nearest whole number, we will get:

$B\approx 6465$

Therefore, there will be approximately 6465 books in the library after 9 years.

6 0

3 years ago

Help me asap!!! Please!!!

choli [55]

Answer:

4) 33.51 cu.in

5) 84.82 cu.m

7) 2.09 cu.ft

8) 1047.197 cu.cm (CC)

11) 163.62 cu.in

Step-by-step explanation:

Volume is h/3x πr^3

4) 4/3 x π x 2^3 = 33.51

5) 3/3 x π x 3^3 = 84.82

7) 2/3 x π x 1^3 = 2.09

8) 8/3 x π x 5^3 = 1047.197

11) 10/3 x π x 2.5^3 = 163.62

4 0

3 years ago

The United states currently has 50 states.What fraction of the states had become a part of the United States by 1795? (15) Write

Kryger [21]

Answer:

There are currently 50 states in the United States.

The number of states in 1795 in the United States = 15

Now, the fraction of the states that had become a part of the United States by 1795 is given below:

$\frac{15}{50}=\frac{3}{10}$

4 0

3 years ago

Half of a number increased by 4 is 30.

Hitman42 [59]

Answer:

$\frac{1}{2}x+4=30$

Step-by-step explanation:

First, write the equation out in the algebraic form. Half of a number is equivalent to a number times 1/2. Additionally, increasing a number by 4 is just adding 4. So the equation is $\frac{1}{2}x+4=30$ .

Then, use algebra to solve.

1) Subtract 4 from both sides

1/2x=26

2) Multiply both sides by 2, because that is the same as dividing by a fraction

x=52

3 0

3 years ago

After completing a documentary film about the history of different font styles, the producer wonders if people will find the top

zzz [600]

Answer:

$Mean = 5.45$