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Paha777 [63]
3 years ago
9

Determine the x-intercept, y-intercept and slope of the line described by - 3x + 7y = –21 (Which is not proper Standard Form bec

ause the coefficient of x can't be negative)
Mathematics
1 answer:
inessss [21]3 years ago
6 0

Slope = 3/7

y - intercept: y = -3

x - intercept x = 7

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Pls help i will give brainly!!!
Hatshy [7]

Answer:

Greatest population density: Denmark

Smallest population density: The U.S.

Step-by-step explanation:

Population density = population / area

So let's find the population density of each country

For U.S

Population: 272,648,000

Area: 9,364,520 sq km

Population density: 272,648,000/9,364,520=29.1 ( rounded to the nearest tenth )

So the population density of the U.S is 29.1 people per sq km

For Denmark

Population: 5,248,000

Area: 42,077

Population density: 5,248,000/42,077=124.7 ( rounded to the nearest tenth )

So the population density of Denmark is 124.7 people per sq km

For Ghana

Population: 18,339,000

Area: 237,533

Population density: 18,339,000/237,533=77.2 ( rounded to the nearest tenth ).

So the population density of Ghana is 77.2 people per sq km

Now that we have calculated the population density of each country let's look back at the question

Which country has the greatest population density? Which country has the least?

Looking at the population densities we can conclude that Denmark has the largest population density at 124.7 people per sq km and the U.S. has the smallest population density at 29.1 people per sq km

3 0
3 years ago
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Anitas a fast food chain specialising in hot dogs and garlic fries, keeps track of the proportion of its customers who decide to
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<span>The probability that one customer will place a take-out order is .45.
The probability that one customer will place an "eat in" order is .55.

Of 4 randomly selected customers, the probability that exactly 3 will order "take out" is given by the following:
</span>C^4_3\times 0.45^3\times0.55^1\approx0.200475
6 0
2 years ago
A bag of marbles has 8 red marbles, 4 blue marbles and 5 white marbles. Alyssa picks a marble at random. Is it more likely that
OleMash [197]

Answer:

A. a red marble

there's more red marbles than blue and white marbles

3 0
3 years ago
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Which statements regarding the diagram Triangle EBC are true? Select three options
Fynjy0 [20]

Answer:

The answer would be:

B. ∠DEC is an exterior angle.

Step-by-step explanation: Your welcome

6 0
3 years ago
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The school chorus has 52 students, which represents 26% of the seventh graders. How many total students are in the seventh grade
Sedaia [141]

Answer:

there are 200 students in the 7th grade.

7 0
2 years ago
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