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Anastaziya [24]
4 years ago
7

Explain e=mc(squared)

Mathematics
1 answer:
stepladder [879]4 years ago
3 0
"Energy equals mass times the speed of light squared." On the most basic level, the equation says that energy and mass (matter) are interchangeable; they are different forms of the same thing. Under the right conditions, energy can become mass, and vice versa.
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The circumference of a pizza is about 38 inches. What is the diameter of the pizza? Round to the nearest tenth if necessary
anygoal [31]

Answer:

The diameter of the pizza is 12 inches

Step-by-step explanation:

Given:

Circumference of a pizza = 38 inches

To Find:

The Diameter of the pizza =?

Solution:

Circumference:

The distance around the edge of a circle (or any curvy shape). It is a type of perimeter.

We know that the shape of the pizza is circle.

So the given circumference is circumference of a circle.

Now,

Circumference of the circle(pizza)=2\pi r

where r is the radius of the circle

circumference of the pizza =38

Thus

2\pi r= 38

\pi r=\frac{38}{2}

\pi r=19

r=\frac{19}{3.14}

r=6.050 inches

Now,

Diameter = 2\times r

Diameter = 2\times 6.05

Diameter=12.1 inches

Rounding to the nearest tenth

Diameter=12 inches

8 0
3 years ago
What is the approximate total percent off when you buy something at "An extra 20% off of 40% off"?
Georgia [21]

Answer:

48%

Step-by-step explanation:

let's say the initial price of an item is $100

if you take 40% off then you pay only $60

now if you take 20% off 60 you pay $48

$48 is 48% of 100

8 0
3 years ago
What is the function of 4800 feet and 20 feet per minute
yan [13]

Answer:

its the only answer

Step-by-step explanation:

0.33

4 0
3 years ago
What does it mean for statements to be logically equivalent?
nlexa [21]

Answer:

Two statement forms are called logically equivalent if they have identical truth values for each possible substitution for their statement variables.

Step-by-step explanation:

hope this helps <333

brainliest plz :) ?

8 0
3 years ago
There is 18 inches of snow on the ground. Snow is falling at a rate of 4 inches per hour. Write a function to represent the tota
stealth61 [152]

Answer:

f(x) = 4x + 18

Step-by-step explanation:

Since there are 18 inches of snow already, 18 is our constant term in the function. Then, we describe x to be the number of hours that it snows for. We multiply this by 4 to find how many inches of snow fell during those hours. We add this term to the constant term to get the solution to y or f(x)

8 0
3 years ago
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