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klasskru [66]
2 years ago
8

The function f(x)= 9√x gives the speed in feet per second (ft/s) of a free-falling object after it has fallen x feet (ignoring a

ir resistance). FInd the speed of the object after it has fallen 26 feet. If necessary, round your answer to the nearest tenth.
Mathematics
1 answer:
Naya [18.7K]2 years ago
3 0

Answer:

45.9ft/s

Step-by-step explanation:

Simply plug your given value into the function

f(26)=9\sqrt{26} = 45.9 (1.d.p.)

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Jamal launched a website for his custom shoe store. On the first day, 3 visitors registered on the website. On the third day, 27
GrogVix [38]

Answer:

Jamal predicts that 243 people will visit his site on the fifth day.

Step-by-step explanation:

Since Jamal launched a website for his custom shoe store, and on the first day, 3 visitors registered on the website, while on the third day, 27 visitors registered on the website, if Jamal uses an exponential function to model the data from the first and third days, to determine how many visitors will predict to register on the fifth day, the following calculation must be performed:

Day 1 = 3

Day 2 = 3 ^ 2 = 9

Day 3 = 3 ^ 3 = 27

Day 4 = 3 ^ 4 = 81

Day 5 = 3 ^ 5 = 243

Therefore, Jamal predicts that 243 people will visit his site on the fifth day.

7 0
3 years ago
Omar's Response: The slopes and they
GuDViN [60]

Answer: Intersect at one point and exactly one solution.

Step-by-step explanation: I answered it right now in the assignment and it was correct.

3 0
2 years ago
Ahmad made 4 identical necklaces, each having beads and a pendant. The total cost of the beads and pendants for all 4 necklaces
yanalaym [24]
$6.40
All beads and pendants = $19.20, and the beads equal $12.80, so 12.80 + ? = 19.20. So you would use the equation. 19.20 - 12.80, which equals 6.40.
6 0
2 years ago
How do you find direct variation? im having trouble understanding this subject
rodikova [14]
I was too just a couple of weeks ago. So direct variation is the constant way to variables change together. EX: 
x  y
1 2
2 4
3 6
Direct variation must be in the format b=ka where k is a constant. So the direct variation here could be y=2x. Understand?
5 0
3 years ago
At a certain college, there are 600 freshman, 400 sophomores, 300 juniors, and 200 seniors. if one student is selected at random
Oksanka [162]
The total number of sample space in this item is calculated by adding up all the number of students given. That is,

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The probability is calculated with the equation below.

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Substituting,
    
  P = 400 / 1500 = 4/15

<em>ANSWER: 4/15</em>
3 0
3 years ago
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