Ask question

Ask question

All categories

3 years ago

7

What is the equation for an arithmetic sequence with a first term of 8 and a second term of 5? an = 8 − 5(n − 1) an = 8 + 5(n −

1) an = 8 − 3(n − 1) an = 8 + 3(n − 1)

1 answer:

Ksju [112]3 years ago

6 0

an =a1+d(n-1)

where d is the common difference

d=5-8

d=-3

a1=8

an =8-3(n-1)

Choice C

You might be interested in

Use the digits in the number 531,642 to write a number that is greater than and a number that is less than 531,642.

Nookie1986 [14]

642,531 is greater than 135,246

8 0

3 years ago

a mountain climber needs to descend 1,500 feet. he wants to do it in 4 equal descents . has far should he travel in each descent

zloy xaker [14]

Answer:

375 each descent

Step-by-step explanation:

1500/4 = 375

4 0

3 years ago

A chemist needs to mix a 40% hydrochloric acid with a 70% hydrochloric acid to create a 20 oz mixture that is 55% hydrochloric a

nikdorinn [45]

Answer:

y=10

Step-by-step explanation:

5 0

3 years ago

Which table shows a proportional relationship and the correct amount of each ingredients

ollegr [7]

I am pretty sure that it is table one because each number from the original recipe to the teachers recipe is multiplied by three.

5 0

4 years ago

Help please !! It’s geometry

Olenka [21]

Answer:

36

Step-by-step explanation:

Since BD is similar to GI, the ratio of the sides of the triangles is 27:3=9:1. This means that BC is 9 times larger than BH, or 4*9=36 units long. Hope this helps!

8 0

3 years ago