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3 years ago

write 2 equivalent expressions for each and find the total price the price of a belt is $30 the belt is makeup 60%

Mathematics

1 answer:

mafiozo [28]3 years ago

8 0

I think 80 percent… hope this helps

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0.9278 round to the nearest tenth

Zarrin [17]

0.9 is 0.9278 rounded to the nearest tenth. Hope this helps!

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3 years ago

Read 2 more answers

Simply the radical expression 189

Wittaler [7]

Answer

Step-by-step explanation:

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4 years ago

The numbers of teams remaining in each round of a single-elimination tennis tournament represent a geometric sequence where an i

Anit [1.1K]

Answer:

$a_n = 128\bigg(\dfrac{1}{2}\bigg)^{n-1}$

Step-by-step explanation:

We are given the following in the question:

The numbers of teams remaining in each round follows a geometric sequence.

Let a be the first the of the geometric sequence and r be the common ration.

The $n^{th}$ term of geometric sequence is given by:

$a_n = ar^{n-1}$

$a_4 = 16 = ar^3\\a_6 = 4 = ar^5$

Dividing the two equations, we get,

$\dfrac{16}{4} = \dfrac{ar^3}{ar^5}\\\\4}=\dfrac{1}{r^2}\\\\\Rightarrow r^2 = \dfrac{1}{4}\\\Rightarrow r = \dfrac{1}{2}$

the first term can be calculated as:

$16=a(\dfrac{1}{2})^3\\\\a = 16\times 6\\a = 128$

Thus, the required geometric sequence is

$a_n = 128\bigg(\dfrac{1}{2}\bigg)^{n-1}$

4 0

3 years ago

Side AB of parallelogram ABCD has endpoints at (-1,6) and (6,9). What is the slope of the opposite side, CD?

Butoxors [25]

Answer:

3/7

Step-by-step explanation:

Opposite sides on a parallelogram are parallel, and parallel lines have the same slope, so once we find the slope of AB, we'll know the slope of CD. Point A is (-1,6) and point B is (6,9), so the slope of AB (and by extension, CD) is

$\dfrac{9-6}{6-(-1)}=\dfrac{3}{7}$

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3 years ago

The first three terms of a sequence are given. Round to the nearest thousandth (if necessary). 8, 12,18 find the 6th term

Andreas93 [3]

Answer:

8 12 18 24 34 46

Step-by-step explanation:

its adding 2 to evrey one that changes

hope this helps :)

5 0

3 years ago

write 2 equivalent expressions for each and find the total price the price of a belt is $30 the belt is makeup 60%​

write 2 equivalent expressions for each and find the total price the price of a belt is $30 the belt is makeup 60%