2 years ago

1. A teacher asked the students to create a formula for the sequence 5, 8, 11, 14, ...

Mathematics

1 answer:

SCORPION-xisa [38]2 years ago

5 0

Good evening ,

Answer:

Is his formula correct and how do you know : <em>Yes</em>

Is it an explicit or recursive formula : <em>explicit </em>

Step-by-step explanation:

an = a1 + (n-1)r

a1 = 5

r = 8-5 = 3

Then an = 5 + 3(n-1).

You might be interested in

Translate: 6 less than twice a number

Basile [38]

Answer:

2x-6

Step-by-step explanation:

twice a number is

$2\times x\\\\=2x$

6 less than twice a number is

6 less than 2x and that is

$2x-6$

6 0

3 years ago

A rectangle is 3 inches long and 2x inches wide. The value of the perimeter (in inches) is equal to the value of the area (in sq

Sergio [31]

The perimeter of the rectangle is equal to the doubled sum of the sides, and the area is equal to the product of the sides. So we have the following equation

3 x 2x = 2(3 + 2x)
6x = 6 + 4x
2x = 6
x = 3

8 0

3 years ago

107=5x+17 simplify your answer as much as possible

olga nikolaevna [1]

107-7=90
90divided 5=18
18*5=90+17=107
I did the work ♥♥♥♥

6 0

2 years ago

Read 2 more answers

HL. 2. What is an equation of a line that is parallel to the yaxis and contains the

dolphi86 [110]

Answer: Hi the answer is c.x-3

Step-by-step explanation:

7 0

2 years ago

Help! its for math ill give u 20 points

ohaa [14]

Answer:

Step-by-step explanation:

Median is the middle number when you line up all your numbers in numerical order.

hope this helps :)

8 0

2 years ago