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3 years ago

If x represents a number, write an expression in terms of x for seven less than three times this number divided

Mathematics

1 answer:

TEA [102]3 years ago

5 0

Step-by-step explanation:

seven less than three times this number = 7 - 3x

7 - 3x divided by 5 times the square of number =

$\frac{7 - 3x}{5 {x}^{2} }$

hope this answer helps you dear...and may u have a great day ahead!

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The land area of a country is about 5.0 million square miles, and the population is about 600 million people. What is the avera

podryga [215]

Answer:

120 people/sq. mile

Step-by-step explanation:

Population Density is the concept of how "crowdy" a place is. The more the population density, the more crowded that place is.

The population density is found by dividing the "number of people" by the "land area" (in sq mile or sq km).

Here, it is given there are 600 million people, so

Number of People = 600,000,000

And, the land area is given as 5 million square miles, so

Land Area = 5,000,000 sq. miles

Hence,

Population Density = 600,000,000/5,000,000 = 120 people/sq. mile

6 0

3 years ago

In the right triangle above a=2.7 and b=4.3. Find the value of c, rounded to the nearest tenth

morpeh [17]

Answer:

5.1

Step-by-step explanation:

Since there is no diagram provided here, we assume that c is the length of the hypotenuse, so we have ...

c² = a² +b² . . . . . . Pythagorean theorem

c² = 2.7² +4.3² = 25.78

c = √25.78 ≈ 5.0774

c ≈ 5.1

7 0

3 years ago

How do you solve 40.25 divided by 0.5

Aleksandr-060686 [28]

The answer correct answer is 80.5

5 0

3 years ago

Read 2 more answers

N n N n N n N n N n n N N Suppose that you were to draw a random sample of one letter from the set of letters above. Two possibl

kvv77 [185]

Answer:

10/13 = 76.92%

Step-by-step explanation:

The question is missing some information because the underline is missing.

If we make table based on if the letter upper case (A) or lower case(a), and if the letter underlined(B) vs not underlined(b) the data will be:

A a

B 4 3 7

b 3 3 6

total 7 6

There are total of 13 letter there. The calculation will be:

P(A or B) = P(A) + P (B) - P(A and B) = (7 + 7 -4) / 13= 10/13 = 76.92%

4 0

3 years ago

Evaluate each expression if a = 6, b = 3, and c = 2.

earnstyle [38]

Answer:

a = 6, b = 3, and c = 2

1. ab1 = 6 × 3 × 1 = 18

2. c + 42 = 2 + 42 = 44

3. 18 = 18

4. a − b4 = 6 - 3(4) = 6 - 12 = - 6

5. 2c3 = 2 × 2 × 3 = 12

6. b ÷ 35 = 3÷35 = 0.086

7. a − 1 6 = 6 - 16 = -10

8. 6 + c8 = 6 + 2 (8) = 6 + 16 = 22

Step-by-step explanation:

7 0

3 years ago