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rusak2 [61]
2 years ago
8

Guillermo is a professional deep water free diver. His altitude (in meters relative to sea level), xxx seconds after diving, is

modeled by g(x)=\dfrac{1}{20}x(x-100)g(x)= 20 1 ​ x(x−100)g, left parenthesis, x, right parenthesis, equals, start fraction, 1, divided by, 20, end fraction, x, left parenthesis, x, minus, 100, right parenthesis How many seconds after diving will Guillermo reach his lowest altitude?
Mathematics
2 answers:
fgiga [73]2 years ago
7 0

Answer: 140

Step-by-step explanation:

zaharov [31]2 years ago
5 0

Answer: 50

Step-by-step explanation:

Khan academy answer

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On a sheet of paper, you have 100 statements written down. the first says, "at most 0 of these 100 statements are true." the sec
Yuki888 [10]
I would go with the second statement is true because if all of the other ones mentioned in the problem had something that would not work either the one before or after would make the statement false excepted for statement two
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2 years ago
Use the graph to write an explicit function to represent the data and determine how much money Amy earned in week 5.
zalisa [80]

Answer:

3rd option

f(n)=5(3)^{n-1}

f(5)=405

Step-by-step explanation:

So we are given the following points:

(1,5)

(2,15)

(3,45)

(4,135)

This is a geometric sequence because there is a common ratio, 3. That is you can keep multiply 3 to a previous y-coordinate to get the next y-coordinate.

The formula for a geometric sequence is f(n)=a_1 \cdot r^{n-1}

where a_1 is the first term and r is the common ration.

So we have

f(n)=5 \cdot (3)^{n-1}.

If you want to know the fifth term, just plug in 5:

f(5)=5 \cdot (3)^{5-1}

Simplifying:

f(5)=5 \cdot 3^4

f(5)=5 \cdot 81

f(5)=405

3 0
2 years ago
Read 2 more answers
Hari borrowed Rs. 126000 from a money-lender at 15% per annum simple interest,
amid [387]

Answer:

Rs. 112000

Step-by-step explanation:

  • Borrowed money = Rs. 126000
  • Interest rate = 15% PA simple
  • Time = 3 years

<u>Hari is due to pay after 3 years:</u>

  • 126000* (1+ 3*15/100) = 182700

He pays Rs. 70700, remaining money is cleared by giving buffalo.

<u>Cost of buffalo:</u>

  • 182700 - 70700= Rs. 112000

<u>Answer is:</u> Rs. 112000

7 0
2 years ago
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A punch recipe requires 2/5 of a cup of pineapple juice for every 2 1/2 cups of soda. What is the unit rate of soda to pineapple
Sergio [31]
2 1/2 = 5/2 
<span>ratio : 5/2 : 3/5 (soda to pineapple) </span>
<span>multiply by 2/5 </span>

<span>ratio : 1 : 6/25 (1 unit of soda to 6/25 units of pineapple)</span>
8 0
2 years ago
Read 2 more answers
Rework problem 9 from section 3.2 of your text, involving independent and disjoint events. For this problem, assume that Pr[A∪B]
tatuchka [14]

Two events are said to be  Disjoint or Mutually Exclusive if the two events can not  happen at the same time.For example when we throw a die getting an even number is disjoint to getting an odd number.

I.e Probability(A∩B)=0

Let me explain this concept through venn diagram.

Pr[A∪B]=0.7, Pr[A]=0.25

Since events are Disjoint

Pr[A∩B]=0

Pr[A∪B]=Pr[A] + Pr[B]

0.7=0.25 +Pr[B]

0.7-0.25=Pr[B]

⇒Pr[B]=0.45=45/100=9/20

Now events are said to be independent if Pr[A and B]=Pr[A] ×Pr[B]

Events are said to be independent if occurrence of one is not affected by occurrence of other.For example getting multiple of 2 as one event and getting multiple of 3 as second event when we throw a die.

Pr[A∪B]=0.7, Pr[A]=0.25

Pr[A∪B]= Pr[A]+ Pr[B]-Pr[A∩B]

But Pr[A∩B]= Pr[A] ×Pr[B]

⇒Pr[A∪B]= Pr[A]+ Pr[B]- Pr[A] ×Pr[B]

⇒0.7=0.25+p-0.25×p

⇒0.7-0.25=p- 0.25 p

⇒0.45=0.75 p

⇒p= 0.45/0.75

⇒p =3/5


5 0
2 years ago
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