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JulijaS [17]
2 years ago
13

2. 10 caiete costă 20 lei. Câţi lei costă 7 caiete de acelaşi fel?

Mathematics
1 answer:
lutik1710 [3]2 years ago
4 0

Answer:

Tu vorbesti limba romana! Este foarte cool! Nu am întâlnit niciodată pe cineva care să vorbească română

Step-by-step explanation:

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Plllsss answer! I don't understand this question.
Softa [21]

Answer:

  C and D

Step-by-step explanation:

Population density is the ratio of population to area. Its units are persons per square mile. Here, you're being asked to compare the population densities of several countries to the average population density in several US states.

__

<h3>average</h3>

The idea of "average population density of the 10 states listed" is somewhat ambiguous. It could mean either of (a) the ratio of the total of the states' population to the total of their land area, or (b) the average of the population densities of the states. (In the attached, we computed both, but the answer remains the same using either number.)

When there are numerous identical calculations to be performed, it is convenient to let a spreadsheet do them. The attached spreadsheet shows the population densities for the 10 states and 5 countries listed.

Depending on how you define it, the average population density of the 10 states is about 10.5 or about 15.7 people per square mile. (15.7 is the average of the density numbers, found using the spreadsheet AVERAGE function.)

__

<h3>countries</h3>

The 5 countries have population densities ranging from about 7.7 to 236 people per square mile. Two of the countries have density below 10.5, so are the answers to the question asked.

  Canada (C) and Iceland (D) have population density below the US state average.

4 0
1 year ago
Mai travels 90 miles in 2 hours by boat. At this rate,how far does Mai go in 3 hours?
Marysya12 [62]

Answer:

135 miles in 3 hours

Step-by-step explanation:

5 0
3 years ago
This probability distribution shows the typical grade distribution for a Geometry course with 35 students . A B С DF Grade Frequ
Nataly [62]

Answer:

p=0.29

Step-by-step explanation:

Total ~ of ~students=35

Probability =10/35=0.29

<u>----------------------------</u>

hope it helps....

have a great day!!

4 0
3 years ago
Read 2 more answers
What is the slope of the line on the graph?
podryga [215]

Answer:

3

Step-by-step explanation:

3 0
2 years ago
The expression 3 × n can be written without the multiplication sign as 3n. For each expression in parts (a)–(c), Use n = 1, 2, 3
baherus [9]
You can because you already know the number is 3 and the blank number is n
7 0
3 years ago
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