2 years ago

The first term of an arithmetic sequence is -5, and the tenth term is 13.

Mathematics

1 answer:

Nitella [24]2 years ago

7 0

Answer:

The common difference is 2

Step-by-step explanation:

The formula for an arithmetic sequence is

an = a1+d(n-1)

a1 = -5

a10 = 13

Substituting n=10 a10=13 and a1 =-5

13 = -5 +d (10-1)

13 = -5 +9d

Add 5 to each side

13+5 = -5+5 +9d

18 = 9d

Divide each side by 9

18/9 = 9d/9

2 =d

You might be interested in

Using the numbers 4.3, -1.07, and -2.917, write an expression containing both addition and subtraction that simplifies to a nega

Advocard [28]

Answer:

-1.07+(-2.917)-4.3=-8.287

Step-by-step explanation:

6 0

3 years ago

Waygon bought a new fishing pole on sale for $33 he saved $9 what was the original price

antoniya [11.8K]

42 dollars is your answer

4 0

2 years ago

Area of a 12 ft circle

Mnenie [13.5K]

113.10 feet, 16,286 square inches, 12.566 square yards, 10.507 square meters, 105,071 square centimeters

4 0

2 years ago

Which linear inequality is represented by the graph?

kompoz [17]

The answer is D since is the only one that has the correct y intercept

4 0

2 years ago

Which is the solution set of the inequality 15 y minus 9 less-than 36 y greater-than nine-fifths y less-than nine-fifths y less-

Vaselesa [24]

Answer:

C. y<3

Step-by-step explanation:

We are required to determine the solution set of the inequality

$15y-9$

Step 1: Add 9 to both sides

$15y-9+9$

Step 2: Divide both sides by 15

$15y \div 15$

The solution set of the given inequality is: y<3.

The correct option is C.

4 0

2 years ago

Read 2 more answers