# Algebra 2

Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar.

Find the sum of a finite geometric series.

The sides of an equilateral triangle measure 16 inches. The midpoints of the sides of the triangle are joined to form another equilateral triangle with sides that are half the length of the outer triangle. This process is continued until three triangles are inscribed in the first triangle. The sum of the perimeters of all four triangles is __________
inches.

1. 👍
2. 👎
3. 👁
4. ℹ️
5. 🚩
1. a = 16*3 = 48
r = 1/2

So, what is S4?

1. 👍
2. 👎
3. ℹ️
4. 🚩
2. 12

1. 👍
2. 👎
3. ℹ️
4. 🚩
3. 16

1. 👍
2. 👎
3. ℹ️
4. 🚩
4. 12

1. 👍
2. 👎
3. ℹ️
4. 🚩

## Similar Questions

1. ### M

In printing an article of 21,000 words, a printer decides to use two sizes of type. Using the larger type, a printed page contains 1,200 words. Using the small type, a page contains 1,500worda. The article is alloted 16 full pages

If 1100 square centimeters of material is available to make a box with a square base and an open top, find the largest possible volume of the box. I'm supposed to type the answer in cubic centimeters... my answer was 2500 cm^3 but

3. ### maths

In printing an article of 30,000 words a printer decides to use two sizes of type. Using the larger type, a printed page contains 1,200 words. Using the smaller type, a page contains 1,500 words. The article is allotted 22 pages

4. ### History

Check answer? Drag and drop the words to the correct box. Words may be used more than once. Words: Sunni muslims, Shia muslims, Sunni and Shia muslims - follow the Five Pillars of Islam - mostly tolerant of modern culture - live

1. ### Math

In printing an article of 48,000 words, a printer decides to use two sizes of type. Using the larger type, a printed page contains 1,800 words. Using a smaller type, a page contains 2,400 words. The article is allotted 21 full

2. ### history

Why did Arabic numerals replace Roman numerals? A. They were more accurate. B. They were based on the Quran. C. They made it easier to perform calculations. D. They were easier to read.

3. ### Algebra

you are about to take a test that contain questions of type A worth 4 points and of type B worth 7 points. You must answer at least 5 of type A and 3 of type B, but time restricts answering more than 10 of either type. In total,

4. ### math

1-There are 18 boys and 12 girls in a math class. What is the ratio of girls to total students? A. 18:30 B. 12:30 C. 30:12 D. 30:18 2- Which of the following ratios are equivalent to 6:9? choose all that apply. (2 are correct) A.

1. ### English 10

The general notation for your supporting points in an outline is • Roman numerals. • capital letters. • Arabic numerals.* • lowercase letters.

2. ### probability

The lifetime of a type-A bulb is exponentially distributed with parameter λ. The lifetime of a type-B bulb is exponentially distributed with parameter μ, where μ>λ>0. You have a box full of lightbulbs of the same type, and you

3. ### mathematics

Jemima has three boxes with a total weight of 5115 kg. Box B weighs 512 kg more than box A and box C weighs 315 kg more than box B. Choose the correct statement:

4. ### maths

rajat can type 3200 words in 1 hour how many words he type in 15 minutes