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DedPeter [7]
3 years ago
5

How many prime numbers are between 0 and 20?

Mathematics
2 answers:
Ivenika [448]3 years ago
6 0

Answer:

<em>There</em><em> </em><em>are</em><em> </em><em>8</em><em> </em><em>prime</em><em> </em><em>numbers</em><em> </em><em>between</em><em> </em><em>0</em><em> </em><em>and</em><em> </em><em>20</em>

Scorpion4ik [409]3 years ago
4 0

Answer:

从 1 到 20 有 8 个素数。它们列在下面:2、3、5、7、11、13、17 和 19。

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D(1) = 8 d(n) = d(n-1) x (-5) what is the 3rd term in the sequence
lisov135 [29]

Answer:

With the rule: d(n) = d(n-1) x (-5), we have:

d(1) = 8

d(2) = d(1)x(-5) = 8x(-5) =-40

d(3) =d(2)x(-5) = -40x-5 =200

Other way:

d(n) = d(n-1) x (-5) => d(n) = d(1)x(-5)^(n-1)

d(3) = d(1)x5^(3-1) =8x5^2=8x25 =200

3 0
3 years ago
find the area of a circle with a diameter of four. Either enter an exact answer in terms of Pi or use 3.14 for pi as a decimal ​
Serggg [28]

Answer:

4 pi

Step-by-step explanation:

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4 =2r

r =2

area = pi × (r)^2

= pi × 2^2

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3 0
3 years ago
What is the ratio of 15:5​
ValentinkaMS [17]
The simplified ratio of 15:5 is 3:1, divided both sides by 5
8 0
1 year ago
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Marlow Company purchased a point of sale system on January 1 for $10,000. This system has a useful life of 10 years and a salvag
Lina20 [59]

Answer:

Given:

POS system = 3,400

useful life = 10 years

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double declining method means that the depreciation expense is higher in the early years than the later years of the asset.

Straight line depreciation = (3,400 - 400) / 10 yrs = 300 

300 / 3000 = 0.10 or 10%

10% x 2 = 20% double declining rate

Depreciation expense under the double declining method:

Year 1: 3,400 x 20% =  680 depreciation expense.

Year 1 book value = 3,400 - 680 = 2,720

Year 2 : 2,720 x 20% = 544 depreciation expense

Year 2 book value = 2,720 - 544 = 2,176

5 0
4 years ago
Barton has 4 strawberries and Ona has 8.If they want to redistribute their strawberries so they each have an equal number ,how m
Margaret [11]

Answer:

Ona should give Barton 2 strawberries

Step-by-step explanation:

8-2=6

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6 0
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