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Snowcat [4.5K]
3 years ago
14

8. What number makes thisequation true?(8 X 5) X 5 = ? × 5​

Mathematics
2 answers:
klemol [59]3 years ago
4 0

Answer:

40

Step-by-step explanation:

8*5=40

40*5 = 200

200/5 = 40

40*5 = 200

200=200

pav-90 [236]3 years ago
3 0

Answer:

40

Step-by-step explanation:

(8 x 5) x 5 = ? x 5

40 x 5 = ? x 5

? = 40

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x = .06418

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I need help with this, please. Any advice would be appreciated.
mote1985 [20]

Answer:

see explanation

Step-by-step explanation:

The sum to n terms of an arithmetic sequence is

S_{n} = \frac{n}{2} [ 2a₁ + (n - 1)d ]

where a₁ is the initial value and d the common difference

Given

S_{n} = \frac{n}{2} [ 10 + (n - 1)3 ]

Then by comparison

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8 0
3 years ago
Janaya buys a postcard from each travel destination she visits. Before starting her travels this year, Janaya had 20 postcards.
MrRa [10]

Answer:

The percentage increase in Jayana's postcard collection is 15%

Step-by-step explanation:

Jayana had 20 postcards last year

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The percentage increase in Jayana's postcard collection is 15%

4 0
3 years ago
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