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anyanavicka [17]
3 years ago
7

Which summation formula is equivalent to the one below? ^3Σn=0 (-1/5)^n (25)

Mathematics
1 answer:
Dafna1 [17]3 years ago
7 0

Answer:

i think is th second one bc its make the most sen3

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Dana loves rocks! She has 666 pieces of granite, 333 pieces of marble, 141414 pieces of sandstone, and 111 piece of slate. What
Lilit [14]

Answer: 14:3

Step-by-step explanation:

<h3> The exercise is:</h3><h3> "Dana loves rocks! She has 6 pieces of granite, 3 pieces of marble, 14 pieces of sandstone, and 1 piece of slate. What is the ratio of pieces of sandstone to pieces of marble in Dana's collection?"</h3><h3></h3><h3> </h3>

You can use ratio to compare values.

By definition, ratios can be written in the following form:

a:b

In this case, you know that the number of  pieces of different rocks that Diana has in her collections, are:

granite=6\ pieces\\\\marble=3\ pieces\\\\sandstone=14\ pieces\\\\slate=1\ piece

Since you must compare the number of pieces of sandstone and the number of pieces of marble in Dana's collection, you need to write the following ratio:

sandstone:marble\\\\14:3

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3 years ago
Robin Hartman earns $600 per week plus 3% of sales over $6,500. Robin's week sales are $14,000. How much does Robin earn
Karolina [17]

Answer:

$825

Step-by-step explanation:

Given that :

Weekly earning = $600 plus 3% of sales over $6500

If weekly sales = $14000

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Robin's earning will be:

Flat weekly pay + 3% of amount over 6500

$600 + 3%(weekly sales - 6500)

$600 + 0.03(14000 - 6500)

$600 + 0.03(7500)

$600 + $225

= $825

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3 years ago
2 (4x + 5) – 2 = 2x + 44
Lubov Fominskaja [6]

Answer:

ben dont know

Step-by-step explanation:

yea

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