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IRINA_888 [86]
3 years ago
9

A sequence is defined by the recursive formula f (n + 1) = f(n) – 2. If f(1) = 18, what is f(5)?

Mathematics
2 answers:
yan [13]3 years ago
4 0

Answer:

f(5)=10 so 10 is your answer.

Step-by-step explanation:

I just did it on ed. ;)

masya89 [10]3 years ago
3 0
It will be easier if we wrote some terms to help us predict the nature of the sequence
f(1)=18,f(2)=18-2=16,f(3)=16-2=14,f(4)=14-2=12f(5)=10
so the nth term will be in the form
f(n)=18-2(n-1)
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What is the range of possible sizes for side x?
posledela

Answer:

x = 3.96

Step-by-step explanation:

apply the pitagoras theorem

x =

\sqrt{ {2.8}^{2}  +  {2.8 }^{2} }

4 0
2 years ago
Rose is fishing from a small boat. A fish swimming at the same depth as the hook at the end of her fishing line is 8 meters away
tensa zangetsu [6.8K]

The question is incomplete, as the depth of the hook isn't given in the question. However, using a proposed depth for the hook, we could give a stepwise solution to the exercise.

Answer:

Kindly check explanation

Step-by-step explanation:

If given a hook depth of 6 meters, and a distance of 8 m(fishing line from hook) at the the Same depth, then the distance between rose and the fish, x can be calculated, using the relation.

Hypotenus² = opposite² + adjacent²

(refer to attached picture)

x² = 6² + 8²

x² = 36 +. 64

x² = 100

x = sqrt(100)

x = 10 meters

You can use the actual depth value to obtain the actual solution to your question.

8 0
3 years ago
One number exceeds another by 5 the sum of the numbers is 37 . What are the numbers
Eduardwww [97]
One number = x
Another number = y

x = y + 5
x + y = 37

(y + 5) + y = 37
2y + 5 = 37
2y = 32
y = 16

x = (16) + 5
x = 21

The numbers are 16 and 21.
5 0
3 years ago
Plz help me this is already suppose to be done lol
nignag [31]

Answer:

1. 247 mg ÷ 10 = 24.7 cg

2. 247 mg ÷ 100 = 2.47 dg

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Step-by-step explanation:

1. To convert from 'mg' to 'cg', you must divide by 10 because 'cg' consists of 10 mg.

2. To convert from 'mg' to 'dg', you must divide by 100 because 'dg' consists of 100 mg.

3. To convert from 'mg' to 'g', you must divide by 1000 because 'g' consists of 1000 mg.

8 0
3 years ago
After my salary was increased by $16\%,$ it was $\$52{,}200$. What was my salary before the increase?
boyakko [2]
The salary before the increase was $48000.
5 0
3 years ago
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