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Klio2033 [76]
2 years ago
6

F(1) = -3 f(n) = 2 · f(n − 1) +1 f(2)=

Mathematics
1 answer:
raketka [301]2 years ago
6 0

Answer:

-5

Step-by-step explanation:

f(2) = 2 * f(1) + 1

f(2) = 2 * -3 + 1

f(2) = -6 + 1

f(2) = -5

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Given the line -9x-6y=18. Find the slope
SashulF [63]

Answer:

slope = - \frac{3}{2}

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Rearrange - 9x - 6y = 18 into this form

Add 9x to both sides

- 6y = 9x + 18 ( divide all terms by - 6 )

y = - \frac{3}{2} x - 3 ← in slope- intercept form

with slope m = - \frac{3}{2}

7 0
3 years ago
Which equation gives the number of 1/4 centimeter that are in 7/3 centimeter?
Deffense [45]

Answer:

7/8 divided by 1/4 = 7/2

Step-by-step explanation:

Use the reciprocal when dividing fractions. :)

3 0
2 years ago
A survey of 398 children given at a local elementary school showed that 175 like chocolate ice cream, 225 like pistachio ice cre
Maru [420]
225-175=50
175-50=125
125 chidren liked both chocolate and pistachio ice cream.
Check: 398-123=275
275-125=150
225-125=100
175-125=50
100+50=150
150-150=0
3 0
3 years ago
) A scientist who is researching marshes observes that marsh grass, Spartina bakeri, grows to different heights at different loc
Alex_Xolod [135]
According to the Scientific Method (the scientific process you use to go about figuring out the answer to a question) is: 1. Ask a Question 2. Do Background Research 3. Construct a Hypothesis 4. Test Your Hypothesis by Doing an Experiment 5. Analyze Your Data and Draw a Conclusion 6. Communicate Your Results
7 0
3 years ago
Read 2 more answers
If ORBIT is coded BEOVG, then how is PLANET coded? /
arlik [135]

Answer:

1. CYNARG

Step-by-step explanation:

This a example of Caesar's Cipher, in which each letter in the original word leads to a ciphered letter according to the following equation:

C = (P + o) \text{mod} 26

In which C is the index of the Ciphered letter in the alphabet, P is the index of the original letter and o is the offset.

Finding the offset:

O is coded B

O is the 15th letter in the alphabet, so P = 15.

B is the 2nd letter in the alphabet, so C = 2

C = (P + o) \text{mod} 26

2 = (15 + o) \text{mod} 26

|o = |2-15| \text{mod} 26

o = 13

So

C = (P + 13) \text{mod} 26

PLANET:

P

P is the 16th letter in the alphabet.

C = (16 + 13) \text{mod} 26 = 3

So P is coded C.

L

L is the 12th letter in the alphabet:

C = (12 + 13) \text{mod} 26 = 25

L is coded Y(25th letter in the alphabet)

A

A is the 1st letter in the alphabet

C = (1 + 13) \text{mod} 26 = 14

A is coded N

N

N is the 14th letter in the alphabet

C = (14 + 13) \text{mod} 26 = 1

N is coded A

E

E is the 5th letter in the alphabet

C = (5 + 13) \text{mod} 26 = 18

E is coded R

So the correct answer is:

1. CYNARG

4 0
3 years ago
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