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3 years ago

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

Mathematics

1 answer:

raketka [301]3 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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The length of a rectangle is "a" inches and the width is 3 inches more than its length. find the perimeter and the area

Alex73 [517]

Answer:

Step-by-step explanation:

Givens

Length = a

Width = a + 3

Formulas

P = 2L + 2w

Area = L * w

Solution

Perimeter

P = 2L + 2w

P = 2*a + 2(a + 3) Remove the Brackets

p = 2a + 2a + 6 Combine

P = 4a + 6

Area

Area = L * w

Area = a (a + 3)

Area = a^2 + 3a

7 0

2 years ago

Brooke has to set up 70 chairs in equal rows for the class talent show. But, there is not room for more than 20 rows. What are t

-Dominant- [34]

5 rows of 14 chairs
7 rows of 10 chairs
Or
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6 0

3 years ago

Read 2 more answers

fabiana decides to save the money she is earning from her after school job for college. she makes an initial contribution of 300

Oxana [17]

Answer:

A. Total Money Contributed after n months = $\$ 3000 + \$ (500\times n)$

B. Total Money Contributed after 24 months = $\$ \ 15000$

Step-by-step explanation:

Given:

Initial contribution = $\$\ 3000$

each month contribution = $\$\ 500$

After 1 month contributed = $\$\ 3000 + \$\ 500 \times 1= \$ \ 3500$

Solving for Part A

let n be the number of months

∴ Total Contribution after n months = Initial contribution + (each month contribution $\times$ Number of months = $\$\ 3000 + \$\ 500 \times n$

Solving for Part A

Now n= 24 months

∴ Total Contribution after 24 months = $\$\ 3000 + \$\ 500 \times 24 = \$\ 3000 + \$\ 12000= \$\ 15000$

3 0

3 years ago

This table shows the number of students at a school in the years 2014-2016, 2014 1,030 students 2015 ? students 2016 1,300 stude

vladimir1956 [14]

Answer:

it could be the number in 2015 is 2,330

Step-by-step explanation:

Just add the number of the students in 2014-2016.

1,030+ 1,300=2,330

4 0

3 years ago

What are the answers to these 3 problems?

sesenic [268]

The first is the first one tho

3 0

3 years ago