3 years ago

What two types of formulas can be used to represent a sequence?

1 answer:

6 0

Answer:

In this lesson, we'll be learning two new ways to represent arithmetic sequences: recursive formulas and explicit formulas. Formulas give us instructions on how to find any term of a sequence.

Step-by-step explanation:

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Scott bought a 5lb bag of cookies at the bakery. He ate 2/5 of the bag and his sister ate 2/9 of the bag. What fraction of the b

satela [25.4K]

Answer: Fraction they both eat = $\dfrac{28}{45}$ .

Fraction of bag remains = $\dfrac{17}{45}$

Step-by-step explanation:

Given: Part of cookies eaten by Scott = $\dfrac25$

Part of cookies eaten by sister = $\dfrac{2}{9}$

Fraction they both eat = $\dfrac25+\dfrac29=\dfrac{9\times2+5\times2}{5\times9}$

$=\dfrac{18+10}{45}\\\\=\dfrac{28}{45}$

Fraction of the bag remain = $1-\dfrac{28}{45}=\dfrac{45-28}{45}=\dfrac{17}{45}$

[Taking fraction of whole bag =1]

Hence, Fraction they both eat = $\dfrac{28}{45}$ .

Fraction of bag remains = $\dfrac{17}{45}$

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3 years ago

naomi needs to solve 28 ÷ 7 = ?what related multiplication fact can she use to find the unknown number?

castortr0y [4]

28/7 =4
7•4 is 28 or
7+7+7+7 is also 28

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3 years ago

What is the GFC of 4st,12s

ozzi

They are 1 and 3!

Hope this helped! :)

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3 years ago

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The scale on a map reads 3⁄4 inches = 60 miles. If two cities are 2 1⁄2 inches apart on the map, find the actual distance betwee

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200 miles. 2.5 divided by 3/4 is 3.33333-, multiplying the given by 60 would give us 199.98, which you can round to 200.

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3 years ago

A football team loses an average of 3 yards per play. How many yards

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The expression would be:

x=number of plays

Insert 4:

3(4)

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They would 12 yards after 4 plays if losing 3 yards every play.

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