Mathematics, 23.10.2019 14:00 angie3892

If you get the answers right you will get brainliest and get a : -)

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Answer from: dogeking12

5. 3, 12, 48, 192, 768, ...

You can find the 15th term by using the formula $a_n = a_1 *r^{n-1}$ , where a_1

is the first term of the sequence, r is the common ratio, and n is the number of the term you want to find.

$a_n = a_1 *r^{n-1}$ Plug in your information (the common ration is x4)
$a_{15} = 3 * 4^{14}$ Simplify the exponent
$a_{15} = 3 * 268435456$ Multiply
$a_{15} = 805306368$

The 15th term of the sequence is 805306368.

6. 200, 40, 8, 1.6, ...
Using guess and check, I found that the pattern here is ÷5, ÷5, ÷5, .... That can also be written as × $\frac{1}{5}$ , × $\frac{1}{5}$ , × $\frac{1}{5}$ , ... When you are multiplying the terms of a sequence, that is a geometric sequence.

Answer from: Quest

1. 3. can also be expressed as (22/7)

2. -4.5

3. 3.6

happy to

pls mark as brainliest

Ineed to know if i got my answers right or not i will mark brainliest

Answer from: Quest

ratios represent a pattern or relationship that can be scaled.

equivalent ratios are pairs of ratios that represent the same relationship between quantities, and can be generated by multiplying or dividing both quantities in the ratio by the same factor.

in this lesson, students will use double number lines and ratio reasoning to solve ratio problems. by partitioning double number lines into proportionate intervals, students will build an understanding of equivalent ratio relationships as those that are generated by multiplying or dividing two related quantities by the same number. this lesson will build upon students' prior understanding of multiplicative comparisons, number line reasoning and equivalent fractions (while highlighting the difference between equivalent fractions and equivalent ratios); and will build toward future work in this unit on building ratio tables, and work in future grades in proportionality, scaling, and expressing and graphing linear functions.

step-by-step explanation:

ratios represent a pattern or relationship that can be scaled.

equivalent ratios are pairs of ratios that represent the same relationship between quantities, and can be generated by multiplying or dividing both quantities in the ratio by the same factor.

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