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Harrizon [31]
3 years ago
13

HELP ASAP thanks you

Mathematics
1 answer:
Natali [406]3 years ago
8 0

Answer:

Value of the given expression will be 19.

Step-by-step explanation:

We have to find the value of the given expression for a = 3, b = 5 and c = 12

Expression → |a + 1| + |b - c| - |-8|

We will use the property of absolute value,

|+a| = a

|-a| = a

By substituting the values of a, b and c in the given expression,

|a + 1| + |b - c| - |-8| = |3 + 1| + |5 - 12| - |-8|

                              = |4| + |-7| - |-8|

                              = 4 + 7 + 8

                              = 19

Therefore, value of the given expression will be 19.

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What additional piece of information must be known in order to calculate the volume of the cylinder below?
Brilliant_brown [7]

Answer:

π

Step-by-step explanation:

the formula is V = πr2h

pie times radius to the second power times hight

6 0
3 years ago
What is the volume of a ball with a diameter of 7 centimeters?
Leviafan [203]
42.88. You might want to wait for another answer jyst to be 100% sure:)
7 0
3 years ago
Solve this equation: x-3\5=1\30
Setler79 [48]
Take the -3/5 and add it to 1/30 which would equal 19/30, so x= 19/30
5 0
3 years ago
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
Read 2 more answers
What does 2/4 + 1/3 equal ?
Setler79 [48]
It equals 5/6 And the decimal form is 0.8333 and so on
6 0
4 years ago
Read 2 more answers
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