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igomit [66]
2 years ago
7

salt contains 10% calcium 3% carbon and 12% oxygen find the amount in grams of each of the compounds in 1 kg of Chalk​

Mathematics
1 answer:
Debora [2.8K]2 years ago
8 0

Hope the picture above will help you

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The wavelength of violet light is 4.0 x 10−7 m. The wavelength of red light is 6.5 x 10−7 m. How much longer is the wavelength o
photoshop1234 [79]

Answer:

A

Step-by-step explanation:

We can substract the wavength of the violet light to the wavelength of the red light:

(6.5 x 10^-7 m) - (4.0 x 10^-7 m) = 2.5 x 10^-7 m

8 0
3 years ago
In a certain​ lottery, an urn contains balls numbered 1 to 26. From this​ urn, 6 balls are chosen​ randomly, without replacement
expeople1 [14]

Answer:

\frac{1}{230230}

Step-by-step explanation:

Given that in a certain​ lottery, an urn contains balls numbered 1 to 26

From this​ urn, 6 balls are chosen​ randomly, without replacement.

Bet amount 1 dollar and he selects a set of six numbers.

If these match with those chosen from the urn he wins (order does not matter)

Total ways of choosing 6 out of 26 = 26C6 = \frac{26!}{20!6!} \\=230230

The way he selects = 1

Hence probability of winning  =\frac{1}{230230}

with one ticket

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3 years ago
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Naddik [55]
If you're asking for the number of digits smaller than 13 in the bag:12
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Based on the residual plot, is the linear model
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not appropriate

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A linear model is not appropriate because the residual plot does not show a linear pattern.

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Find the surface area of a cone with a slant height of 13 and a radius of 13. Use 3.14 for pi. Round your answer to the nearest
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