3 years ago

The nth term of a sequence is 2n^2 + 4n - 1 Work out the 10th term of the sequence

Mathematics

1 answer:

Svetlanka [38]3 years ago

4 0

Answer:

a₁₀ = 239

Step-by-step explanation:

Substitute n = 10 into the nth term rule , that is

a₁₀ = 2(10)² + 4(10) - 1

= 2(100) + 40 - 1

= 200 + 39

= 239

You might be interested in

Help asap A triangle has angles D, E, and F. Which of the following could not be a set of

lidiya [134]

Answer:

angles in a triangle must add up to 180°, however the angles for option C add up to more than 180°.

4 0

3 years ago

Please help ASAP due soon pretty easy question just stuck

KATRIN_1 [288]

Answer:

x=4 z=117

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

The book costs $49.95 with 3% sales tax. What is the total cost?

VladimirAG [237]

Answer:

74.8

Step-by-step explanation:

hope im right!

8 0

3 years ago

There are 144 pencils in a box. If each member of the class gets 8 pencils, there will be no pencils left over. How many members

kotykmax [81]

Answer:18

Step-by-step explanation:

3 0

3 years ago

After reading The Lord of the Rings, Francesca signs up for archery lessons. At her first lesson, she sets up her target 5 feet

N76 [4]

Answer:

$3$ times

Step-by-step explanation:

$5x=15$

Divide both sides by 5

$x=3$

Hope this helps

6 0

3 years ago

Read 2 more answers