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GalinKa [24]
3 years ago
7

DeVondrea stacked 2

Mathematics
1 answer:
Evgen [1.6K]3 years ago
8 0

Answer:

Step-by-step explanation:

Number of nickels = $1 * 1 nickel/$0.05 = 20 nickels

Thickness of 20 nickels = 20 nickels * 1.95 mm = 39 mm

Let's do the same for the quarters. Each quarter is worth $0.25.

Number of quarters = $1 * 1 quarter/$0.25 = 4 quarters

Thickness of 4 quarters = 4 quarters * 1.75 mm = 7 mm

Find the ratio of the two:

39 mm/7 mm = 5.57

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Write the equation for the inverse of y=4arccot(
garri49 [273]
I think you meant "y = 4 arccot (x)."  

This is equivalent to:

 y
---- = arccot x
 4

and so cot (y/4) = x
8 0
3 years ago
according to the paragraph 6, which of the following were reasons for detaining an immigrant on Angel Island during the early 19
Rudiy27

Answer:

<u><em>After traveling across Russia to China and Japan, they boarded ships for San Francisco. </em></u>

<u><em>Dozens of families and individuals ended up at the Angel Island Immigration </em></u>

<u><em>Station, underwent medical inspection and were detained for weeks because they did not have sufficient funds to reach their eventual destinations.</em></u>

Step-by-step explanation:

Hope this helps:)

6 0
3 years ago
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kifflom [539]

Answer:

no

Step-by-step explanation:

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4 0
4 years ago
Please help.. I will give points
Daniel [21]

A. 8^9/2= around 11585.2375; (sqrt8)^9= around 11585.2375. So choice A shows a pair of equivalent expressions.

B. (3sqrt125)^9=1,953,125; 125^9/3=1,953,125. So choice B also shows a pair of equivalent expressions.

C. 12^2/7= around 2.03394; (sqrt12)^7= around 5,985.96759. So choice C does not show a pair of equivalent expressions.

D. 4^1/5=around 1.31951; (sqrt4)^5=32. So choice D also doesn't show a pair of equivalent expressions.

Your answers are A and B.

I hope this helps ;)

4 0
4 years ago
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Anne claims that a store-brand fertilizer works better than homemade compost as a soil enhancement when growing tomatoes. To tes
goldenfox [79]

Answer: Paired t interval for μdiff

Step-by-step explanation:

The confidence interval suitable for analysing the data described in the scenario above is the paired t test which is employed when there are two different sets of measured reading or observation for each subject. In the scenario above, the subjects are of of the different planters employed whereby the pair of measurement are the weight of tomatoes obtained for each of the two different fertilizer types applied to each of the two plants in a planter. With these data, we can measure the difference in the effectiveness of each of the store brand and homegrown compost.

6 0
3 years ago
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