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vagabundo [1.1K]
3 years ago
9

class="latex-formula">
​
Mathematics
1 answer:
serg [7]3 years ago
6 0

Answer:

The equation — E = mc2 — means "energy equals mass times the speed of light squared." It shows that energy (E) and mass (m) are interchangeable.

Hope this helped

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Rocio drops a ball from a height of 4 meters. Rocio observes that each time the ball bounces, it reaches a peak height which is
docker41 [41]

The exponential equation that correctly models the ball's peak height, h, in meters, after b bounces is given by:

H(b) = 4(0.79)^b

<h3>What is an exponential function?</h3>

A decaying exponential function is modeled by:

A(t) = A(0)(1 - r)^t

In which:

  • A(0) is the initial value.
  • r is the decay rate, as a decimal.

In this problem:

  • Rocio drops a ball from a height of 4 meters, hence A(0) = 4.
  • Each time the ball bounces, it reaches a peak height which is 79% of the previous peak height, hence 1 - r = 0.79.

Thus, the equation is given by:

H(b) = 4(0.79)^b

More can be learned about exponential equations at brainly.com/question/25537936

4 0
2 years ago
Two buildings have the same total height. One building
vredina [299]

Answer:

12 feet

Step-by-step explanation:

Two buildings have the same total number of heights

The first building has 6 floors each with height h

The second building has a ground floor of 36 feet and 3 other floors each

Since both buildings have the same height then

Height of first building= height of second building

The first step is to calculate the height of the first building

Height of first building = 6h

The height of the second building is

36 + 3h

Therefore the height of each floors can be calculated as follows

6h= 36 + 3h

Collect the like terms

6h-3h = 36

3h= 36

h= 36/3

h= 12

Hence the height of each floors is 12 feet

6 0
3 years ago
For what value(s) of k will the relation not be a function?
kolbaska11 [484]

Answer:

  • See below

Step-by-step explanation:

The relation is not a function when x -value is same but y- values are different.

#1

  • k^2 = 4k
  • k = 0, k = 4

#2

  • k^2 - 5k = k + 7
  • k^2 - 6k = 7
  • k^2 - 6k + 9 = 16
  • k - 3 = 4 ⇒ k = 7
  • k - 3 = -4 ⇒ k = -1

#3

  • k^3 - 5k^2 + 3k = -k
  • k^3 - 5k^2 + 4k = 0
  • k(k^2 - 5k + 4) = 0
  • k = 0, k = 1, k = 4

#4

  • |k + 1| + 2 = 8
  • |k + 1| = 6
  • k = 5, k = -7
8 0
3 years ago
20 10<br>40<br>30.<br>15<br>40<br>70<br>25<br>20<br>30<br>100<br>40<br>50​
dlinn [17]
60? I don’t know what this mean
7 0
2 years ago
A customer who sees a pair of boots online but then decides to buy the same pair at Macy's after trying them on would be best cl
allochka39001 [22]

The term used to describe a customer who sees a pair of boots online but then decides to buy the same pair at Macy's after trying them on would be best classified as a cross-channel shopper.

<h3>Who is a cross-channel shopper?</h3>

A cross-channel shopper is a consumer who uses various combination of both several channels for the same purchase.

The customer has checked the pair of boots online but rather purchased the same boots at Macy's instead of purchasing online.

Therefore, a cross-channel shopper uses different purchasing channel to purchase a product.

Learn more about consumer:

brainly.com/question/380037

#SPJ1

5 0
1 year ago
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