3 years ago

Write the related pairs as ordered pairs.

Mathematics

1 answer:

NikAS [45]3 years ago

7 0

If what.. we need to know what it is

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For the following geometric sequence, find the explicit formula. {1, -3, 9, ...} an = -3 · an - 1 where a1 = 1 an = -3 · an - 1

goldfiish [28.3K]

{ 1,-3,9...}

an = a1 * r^(n-1)
a1 = first term = 1
r = common ratio = -3

so ur formula is : an = 1 * -3^(n-1)

8 0

3 years ago

Read 2 more answers

Tom is buying topsoil for the flower bed shown below. One bag of topsoil covers 151515 square meters. How many bags of topsoil d

exis [7]

Answer:

2 bags of topsoil.

Step-by-step explanation:

The attached figure shows a flower bed.

One bag of topsoil covers 15 square meters.

We need to find how many bags of topsoil does Tom need to cover his flower bed.

The area of the flower bed is :

$A=\dfrac{1}{2}\times 12\times 5\\\\=30\ m^2$

Let he has to cover x bags of topsoil. So,

x = Area of flower bed/Area of 1 bag of top soil

x = 30/15

x = 2

Hence, he will need 2 bags of topsoil to cover his flower bed.

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3 years ago

Mrs. Price is making muffins using a total of 500 grams of gluten-free flour. The recipe calls

Nina [5.8K]

Answer:

45/100 and 225 g

Step-by-step explanation

You take the percentage, 45%, and put it over 100.

Multiply the total number of grams, 500, by the percent of oat flour.

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3 years ago

Gavin goes to the market and buys one rectangle shaped board. The length of the board is 16 cm and width is 10 cm. if he wants t

Ira Lisetskai [31]

Check the picture below.

doesn't that make it just a 20 x 14? well, surely you know what that area is.

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2 years ago

Ten cars were recently assembled at a factory. Of these

bogdanovich [222]

Answer:

1/12

Step-by-step explanation:

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1 year ago