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Natasha_Volkova [10]
3 years ago
12

How do you find the surface area of a sphere?

Mathematics
1 answer:
Mamont248 [21]3 years ago
8 0
A=4πr^2 or in other words 4(3.14)r^2 (^2 stands for squared)
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Calculate.<br> 1) 4 x (3 divided by 8 + 1)
grin007 [14]
4(3/(8+1) = 4(3/9) = 12/9 = 4/3

4((3/8)+1) = 4(11/8) = 44/8 = 11/2

just depends on which way the equation is written
5 0
3 years ago
Solve. T + 23 &gt; 1 t &gt; 24 t &gt; –22 t &lt; 24 t &lt; –22
creativ13 [48]

t + 23 > 1     subtract 23 from both sides

t + 23 - 23 > 1 - 23

t > -22

5 0
3 years ago
How can you convert the Heun’s Method into the Implicit Heun’s Method? Show an example
g100num [7]

Answer:

Heun's method is also known by its other name called Modified Euler methods. This method is used in computational or mathematical science.

Step-by-step explanation:

Euler method is the method that is also pronounced in two similar stages such as Runge- Kutta methods. This method has been named after Dr. Heun.

This method is used for the solution of ordinary differential equations with its given values. There is some method to calculate this method. The improved Runge Kutta methods are also called the Butcher tableau method, the other methods are also called the Ralston methods.

4 0
3 years ago
HELP!
artcher [175]

Answer:

B.Obtuse

as shown in the pictures that you put the angel is obtuse

6 0
3 years ago
A rectangular prism has a length of 212 centimeters, a width of 212 centimeters, and a height of 5 centimeters. Justin has a sto
BlackZzzverrR [31]

Answer:

3.75\ cm^{3}  or  3\frac{3}{4}\ cm^{3}

Step-by-step explanation:

step 1

Find the volume of the rectangular prism

we know that

The volume of a rectangular prism is

V=LWH

In this problem we have

L=2\frac{1}{2}\ cm=\frac{2*2+1}{2}=\frac{5}{2}\ cm

W=2\frac{1}{2}\ cm=\frac{2*2+1}{2}=\frac{5}{2}\ cm

H=5\ cm

substitute in the formula

V=(\frac{5}{2})(\frac{5}{2})(5)=\frac{125}{4}=31.25\ cm^{3}

step 2

Find the difference between the volume of the prism and the volume of the storage container

35\ cm^{3}-31.25\ cm^{3}=3.75\ cm^{3}

3.75=3\frac{3}{4}\ cm^{3}

3 0
3 years ago
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