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svetoff [14.1K]
3 years ago
9

Suppose the leftmost digits of two numbers are 8 and 3. Can you tell which number is greater if so explain.

Mathematics
1 answer:
Irina-Kira [14]3 years ago
7 0
You cannot tell which number is greater just by the leftmost digits. This is because you do not know how many digits each number has. Ex: 80 and 3,000
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A sphere is inscribed in a cube with a surface area of 216 square centimeters. What is the volume of the sphere
pentagon [3]

Answer:

V=298.5cm^3

Step-by-step explanation:

To find the volume of the sphere we need to know its radius.

And the radius can be found with the information we have about the surface area.

The formula for the surface area is as follows:

SA=4\pi r^2

from this formula we clear the radius r:

r^2=\frac{SA}{4\pi}\\ \\r=\sqrt{\frac{SA}{4\pi} }

and we substitute the known value of the surface area, and also the value of \pi:

r=\sqrt{\frac{216cm^2}{4(3.1416)} }\\ \\r=\sqrt{\frac{216cm^2}{12.5664} }\\ \\r=\sqrt{17.1887cm^2}\\ \\r=4.146cm

and now that we know the radius we find the volume:

V=\frac{4\pi r^3}{3} \\\\V=\frac{4(3.1416)(4.146cm)^3}{3}\\ \\V=\frac{895.521cm^3}{3}\\ \\V=298.5cm^3

the volume of the sphere is 298.5cm^3

7 0
3 years ago
Each side of a square coffee shop is 9 meters longs. what is the coffee shop's perimeter ?
qaws [65]

Well lets remember that a square has four sides that are all equal.

So if we know one side, we know them all!

And perimeter is all of the sides added up.

Well.. 4 sides that are all 9 meters long? here's the math!

9 + 9 + 9 + 9 = 36

Your coffee shop is 36 meters long

Good Luck! :)

8 0
3 years ago
What are the intercepts of x^2+y-9=0
Dmitry_Shevchenko [17]

Answer:

Zeros

x = -3   point (-3 ,0)

x = 3   point (3 ,0)

Step-by-step explanation:

Using a graphing calculator, we can easily check the intercepts of the equation

y  = -x^2 +9

8 0
3 years ago
Paula has a dog that weights 3 times as much as Carla's dog. The total weight of the dogs is 48 pound. How much does Paula's dog
tiny-mole [99]
Paula's dog is 36 lbs

Use the equation 48=3x+x

Add like terms: 48=4x

Divide: 12=x (x=Carla's dog's weight)

Then Multiply x by 3 to get Paula's dog's weight and you get 36 lbs
5 0
3 years ago
Read 2 more answers
Write a an equation to represent the following statement. 24 is 4 times as great as k solve for k
Naddik [55]

Answer:

4k = 24, k = 6

Step-by-step explanation:

4k = 24

4k / 4 = 24 / 4

k = 6

brainliest pls xd

4 0
3 years ago
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