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r-ruslan [8.4K]
2 years ago
15

What percent is equivalent to

Mathematics
1 answer:
Soloha48 [4]2 years ago
8 0

Answer:

20%

Step-by-step explanation:

To change a fraction to a percentage , multiply by 100%

\frac{8}{40} × 100%

= 0.2 × 100%

= 20%

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5 0
3 years ago
In semiconductor manufacturing, wet chemical etching is often used to remove silicon from the backs of wafers prior to metalizat
Viktor [21]

Answer:

Sample mean for solution 1:  19.27; sample mean for solution 2:  10.32

Step-by-step explanation:

To find the sample mean, find the sum of the data values and divide by the sample size.

For solution 1, the sum is given by:

9.7+10.5+9.4+10.6+9.3+10.7+9.6+10.4+10.2+10.5 = 192.7

The sample size is 10; this gives us

192.7/10 = 19.27

For solution 2, the sum is given by:

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6 0
3 years ago
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Pani-rosa [81]
What do you need help on?

3 0
3 years ago
Katelyn needs to cover her sofa cushions. If each cushion is a 10 in. by 11 in. by 4 in. rectangular prism, and there are 3 cush
Svet_ta [14]

Answer:

1,164 in²

Step-by-step explanation:

the area of 1 sofa cushion =

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= 388 in²

the fabrics she needs to cover 3 sofa cushions =

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3 0
2 years ago
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GrogVix [38]
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x     3                              3 times 8 is 24 carry the two
8,490                              3 times 2 is 6 plus the carried 2 is 8
7 0
2 years ago
Read 2 more answers
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